{"id":2140,"date":"2022-11-09T05:25:08","date_gmt":"2022-11-09T05:25:08","guid":{"rendered":"https:\/\/theexampillar.com\/ncert\/?p=2140"},"modified":"2022-11-09T05:25:08","modified_gmt":"2022-11-09T05:25:08","slug":"ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4","status":"publish","type":"post","link":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/","title":{"rendered":"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4"},"content":{"rendered":"<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">NCERT Solutions Class 7 Mathematics\u00a0<\/span><br \/>\n<span style=\"color: #000000; font-family: georgia, palatino, serif;\">Chapter &#8211; 12 (Algebraic Expressions)<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">The NCERT Solutions in English Language for Class 7 Mathematics <strong>Chapter &#8211; 12 Algebraic Expressions\u00a0 <\/strong>Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0<\/span><\/p>\n<p><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Chapter : 12 Algebraic Expressions<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-1\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: georgia, palatino, serif;\">NCERT Solution Class 7 Maths Exercise &#8211; 12.1<\/span><\/a><\/span><\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-2\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: georgia, palatino, serif;\">NCERT Solution Class 7 Maths Exercise &#8211; 12.2<\/span><\/a><\/span><\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-3\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: georgia, palatino, serif;\">NCERT Solution Class 7 Maths Exercise &#8211; 12.3<\/span><\/a><\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Exercise &#8211; 12.4\u00a0<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>1. Observe the patterns of digits made from line segments of equal length. You will find such segmented digits on the display of electronic watches or calculators.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2153\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png\" alt=\"NCERT Class 7 Maths Solution\" width=\"485\" height=\"307\" srcset=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png 485w, https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1-300x190.png 300w, https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1-480x304.png 480w\" sizes=\"auto, (max-width: 485px) 100vw, 485px\" \/><br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>If the number of digits formed is taken to be n, the number of segments required to form n digits is given by the algebraic expression appearing on the right of each pattern. How many segments are required to form 5, 10, 100 digits of the kind <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2154\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1-1.png\" alt=\"\" width=\"100\" height=\"51\" \/><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211; <\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif;\"><strong>(a)<\/strong> The number of line segments required to form n digits is given by the expressions.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2155\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1-a.png\" alt=\"\" width=\"18\" height=\"31\" \/><\/span><span style=\"font-family: georgia, palatino, serif;\">\u00a0 = (5n + 1)<br \/>\n<\/span><span style=\"font-family: georgia, palatino, serif;\">For 5 figures, the number of line segments = 5 \u00d7 5 + 1<br \/>\n= 25 + 1<br \/>\n= 26<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">For 10 figures, the number of line segments = 5 \u00d7 10 + 1<br \/>\n= 50 + 1<br \/>\n= 51<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">For 100 figures, the number of line segments = 5 \u00d7 100 + 1<br \/>\n= 500 + 1<br \/>\n= 501<br \/>\n<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif;\"><strong>(b)<\/strong> The number of line segments required to form n digits is given by the expressions.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2156\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1-b.png\" alt=\"\" width=\"25\" height=\"43\" \/> = <\/span><span style=\"font-family: georgia, palatino, serif;\">(3n + 1)<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">For 5 figures, the number of line segments = 3 \u00d7 5 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 15 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 16<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">For 10 figures, the number of line segments = 3 \u00d7 10 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 30 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 31<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">For 100 figures, the number of line segments = 3 \u00d7 100 + 1<\/span><br \/>\n<span style=\"color: #000000;\">= 300 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 301<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif;\"><strong>(c)<\/strong> The number of line segments required to form n digits is given by the expressions.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2157\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1-c.png\" alt=\"\" width=\"26\" height=\"47\" \/>= <\/span><span style=\"font-family: georgia, palatino, serif;\">(5n + 2)<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">For 5 figures, the number of line numbers = 5 \u00d7 5 + 2<\/span><br \/>\n<span style=\"color: #000000;\">= 25 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 27<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">For 10 figures, the number of line segments = 5 \u00d7 10 + 2<\/span><br \/>\n<span style=\"color: #000000;\">= 50 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 52<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">For 100 figures, the number of line segments = 5 \u00d7 100 + 2<\/span><br \/>\n<span style=\"color: #000000;\">= 500 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 502<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>2. Use the given algebraic expression to complete the table of number patterns.<\/strong><\/span><\/p>\n<table class=\"table table-bordered\" style=\"width: 80%;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"height: 51px;\" rowspan=\"2\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>S. No.<\/strong><\/span><\/td>\n<td style=\"height: 51px;\" rowspan=\"2\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Expression<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\" colspan=\"10\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Terms<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>1<sup>st<\/sup><\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>2<sup>nd<\/sup><\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>3<sup>rd<\/sup><\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>4<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>5<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2026<\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>10<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2026<\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>100<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"height: 27px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2026<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(i)<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>2n \u2013 1<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>1<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>3<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>5<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>7<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>9<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>19<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ii)<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>3n + 2<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>5<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>8<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>11<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>14<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iii)<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>4n + 1<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>5<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>9<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>13<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>17<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iv)<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>7n + 20<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>27<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>34<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>41<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>48<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 24px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(v)<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>n<sup>2<\/sup>\u00a0+ 1<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>2<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>5<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>10<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>17<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>10001<\/strong><\/span><\/td>\n<td style=\"height: 27px; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2013<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211;<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>(i)<\/strong> Given expression is 2n \u2013 1<\/span><br \/>\n<span style=\"color: #000000;\">For n = 100, <\/span><br \/>\n<span style=\"color: #000000;\">= 2 \u00d7 100 \u2013 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 200 \u2013 1 = 199<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>(ii)<\/strong> Given expression is 3n + 2<\/span><br \/>\n<span style=\"color: #000000;\">For n = 5, <\/span><br \/>\n<span style=\"color: #000000;\">= 3 \u00d7 5 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 15 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 17<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 10, <\/span><br \/>\n<span style=\"color: #000000;\">= 3 \u00d7 10 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 30 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 32<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 100, <\/span><br \/>\n<span style=\"color: #000000;\">= 3 \u00d7 100 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 300 + 2 <\/span><br \/>\n<span style=\"color: #000000;\">= 302<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>(iii)<\/strong> Given expression is 4n + 1<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 5, <\/span><br \/>\n<span style=\"color: #000000;\">= 4 \u00d7 5 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 20 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 21<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 10, <\/span><br \/>\n<span style=\"color: #000000;\">= 4 \u00d7 10 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 40 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 41<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 100, <\/span><br \/>\n<span style=\"color: #000000;\">= 4 \u00d7 100 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 400 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 401<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>(iv)<\/strong> Given expression is 7n + 20<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 5, <\/span><br \/>\n<span style=\"color: #000000;\">= 7 \u00d7 5 + 20 <\/span><br \/>\n<span style=\"color: #000000;\">= 35 + 20 <\/span><br \/>\n<span style=\"color: #000000;\">= 55<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 10, <\/span><br \/>\n<span style=\"color: #000000;\">= 7 \u00d7 10 + 20 <\/span><br \/>\n<span style=\"color: #000000;\">= 70 + 20 <\/span><br \/>\n<span style=\"color: #000000;\">= 90<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 100, <\/span><br \/>\n<span style=\"color: #000000;\">= 7 \u00d7 100 + 20 <\/span><br \/>\n<span style=\"color: #000000;\">= 700 + 20 <\/span><br \/>\n<span style=\"color: #000000;\">= 720<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>(v)<\/strong> Given expression is n<sup>2<\/sup> + 1<\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 5, <\/span><br \/>\n<span style=\"color: #000000;\">= 5<sup>2<\/sup>\u00a0+ 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 25 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 26 <\/span><\/p>\n<p><span style=\"color: #000000;\">For n = 10, <\/span><br \/>\n<span style=\"color: #000000;\">= 10<sup>2<\/sup>\u00a0+ 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 100 + 1 <\/span><br \/>\n<span style=\"color: #000000;\">= 101<\/span><\/p>\n<table class=\"table table-bordered\" style=\"width: 90%;\">\n<tbody>\n<tr>\n<td style=\"width: 11.5747%; text-align: center;\" rowspan=\"2\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>S. No.<\/strong><\/span><\/td>\n<td style=\"width: 21.2651%; text-align: center;\" rowspan=\"2\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Expression<\/strong><\/span><\/td>\n<td style=\"width: 63.1225%; text-align: center;\" colspan=\"10\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Terms<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 5.24899%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>1<sup>st<\/sup><\/strong><\/span><\/td>\n<td style=\"width: 7.13324%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>2<sup>nd<\/sup><\/strong><\/span><\/td>\n<td style=\"width: 6.59489%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>3<sup>rd<\/sup><\/strong><\/span><\/td>\n<td style=\"width: 6.32571%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>4<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"width: 6.19112%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>5<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2026<\/strong><\/span><\/td>\n<td style=\"width: 8.34455%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>10<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2026<\/strong><\/span><\/td>\n<td style=\"width: 10.7672%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>100<sup>th<\/sup><\/strong><\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>\u2026<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.5747%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(i)<\/strong><\/span><\/td>\n<td style=\"width: 21.2651%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">2n \u2013 1<\/span><\/td>\n<td style=\"width: 5.24899%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">1<\/span><\/td>\n<td style=\"width: 7.13324%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">3<\/span><\/td>\n<td style=\"width: 6.59489%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5<\/span><\/td>\n<td style=\"width: 6.32571%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">7<\/span><\/td>\n<td style=\"width: 6.19112%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">9<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 8.34455%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">19<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 10.7672%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">199<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.5747%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ii)<\/strong><\/span><\/td>\n<td style=\"width: 21.2651%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">3n + 2<\/span><\/td>\n<td style=\"width: 5.24899%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5<\/span><\/td>\n<td style=\"width: 7.13324%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">8<\/span><\/td>\n<td style=\"width: 6.59489%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">11<\/span><\/td>\n<td style=\"width: 6.32571%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">14<\/span><\/td>\n<td style=\"width: 6.19112%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">17<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 8.34455%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">32<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 10.7672%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">302<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.5747%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iii)<\/strong><\/span><\/td>\n<td style=\"width: 21.2651%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">4n + 1<\/span><\/td>\n<td style=\"width: 5.24899%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5<\/span><\/td>\n<td style=\"width: 7.13324%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">9<\/span><\/td>\n<td style=\"width: 6.59489%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">13<\/span><\/td>\n<td style=\"width: 6.32571%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">17<\/span><\/td>\n<td style=\"width: 6.19112%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">21<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 8.34455%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">41<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 10.7672%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">401<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.5747%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iv)<\/strong><\/span><\/td>\n<td style=\"width: 21.2651%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">7n + 20<\/span><\/td>\n<td style=\"width: 5.24899%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">27<\/span><\/td>\n<td style=\"width: 7.13324%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">34<\/span><\/td>\n<td style=\"width: 6.59489%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">41<\/span><\/td>\n<td style=\"width: 6.32571%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">48<\/span><\/td>\n<td style=\"width: 6.19112%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">55<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 8.34455%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">90<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 10.7672%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">720<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.5747%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(v)<\/strong><\/span><\/td>\n<td style=\"width: 21.2651%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">n<sup>2<\/sup>\u00a0+ 1<\/span><\/td>\n<td style=\"width: 5.24899%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">2<\/span><\/td>\n<td style=\"width: 7.13324%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5<\/span><\/td>\n<td style=\"width: 6.59489%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">10<\/span><\/td>\n<td style=\"width: 6.32571%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">17<\/span><\/td>\n<td style=\"width: 6.19112%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">26<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 8.34455%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">101<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<td style=\"width: 10.7672%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">10001<\/span><\/td>\n<td style=\"width: 4.17227%; text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">\u2013<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions Class 7 Mathematics\u00a0 Chapter &#8211; 12 (Algebraic Expressions) The NCERT Solutions in English Language for Class 7 Mathematics Chapter &#8211; 12 Algebraic Expressions\u00a0 Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0 Chapter : 12 Algebraic Expressions NCERT Solution Class 7 Maths Exercise &#8211; 12.1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219],"tags":[343,344,283,5],"class_list":["post-2140","post","type-post","status-publish","format-standard","hentry","category-class-7-maths","tag-ncert-class-7-maths-chapter-12-algebraic-expressions-in-english","tag-ncert-solutions-class-7-maths-chapter-12-in-english","tag-ncert-solutions-class-7-maths-in-english","tag-ncert-solutions-in-english"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.9 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4 | TheExamPillar NCERT<\/title>\n<meta name=\"description\" content=\"NCERT Solutions Class 7 Mathematics\u00a0Chapter - 12 (Algebraic Expressions)The NCERT Solutions in English Language for Class 7 Mathematics Chapter - 12 Algebraic Expressions\u00a0 Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 12.4\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4\" \/>\n<meta property=\"og:description\" content=\"NCERT Solutions Class 7 Mathematics\u00a0Chapter - 12 (Algebraic Expressions)The NCERT Solutions in English Language for Class 7 Mathematics Chapter - 12 Algebraic Expressions\u00a0 Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 12.4\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/\" \/>\n<meta property=\"og:site_name\" content=\"TheExamPillar NCERT\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-09T05:25:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@exampillar\" \/>\n<meta name=\"twitter:site\" content=\"@exampillar\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/\"},\"author\":{\"name\":\"Admin\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\"},\"headline\":\"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4\",\"datePublished\":\"2022-11-09T05:25:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/\"},\"wordCount\":360,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\"},\"image\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png\",\"keywords\":[\"NCERT Class 7 Maths Chapter 12 Algebraic Expressions in English\",\"NCERT Solutions Class 7 Maths Chapter 12 in english\",\"NCERT Solutions Class 7 Maths in English\",\"NCERT Solutions in English\"],\"articleSection\":[\"Class 7 Maths\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/\",\"name\":\"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4 | TheExamPillar NCERT\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png\",\"datePublished\":\"2022-11-09T05:25:08+00:00\",\"description\":\"NCERT Solutions Class 7 Mathematics\u00a0Chapter - 12 (Algebraic Expressions)The NCERT Solutions in English Language for Class 7 Mathematics Chapter - 12 Algebraic Expressions\u00a0 Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 12.4\u00a0\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#primaryimage\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png\",\"contentUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png\",\"width\":485,\"height\":307,\"caption\":\"NCERT Class 7 Maths Solution\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#website\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/\",\"name\":\"TheExamPillar NCERT\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\"},\"alternateName\":\"NCERT Solution\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\",\"name\":\"Admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\",\"contentUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\",\"width\":512,\"height\":512,\"caption\":\"Admin\"},\"logo\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\"},\"sameAs\":[\"https:\\\/\\\/theexampillar.com\\\/ncert\"],\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/author\\\/ncert_eng_vikram\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4 | TheExamPillar NCERT","description":"NCERT Solutions Class 7 Mathematics\u00a0Chapter - 12 (Algebraic Expressions)The NCERT Solutions in English Language for Class 7 Mathematics Chapter - 12 Algebraic Expressions\u00a0 Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 12.4\u00a0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/","og_locale":"en_US","og_type":"article","og_title":"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4","og_description":"NCERT Solutions Class 7 Mathematics\u00a0Chapter - 12 (Algebraic Expressions)The NCERT Solutions in English Language for Class 7 Mathematics Chapter - 12 Algebraic Expressions\u00a0 Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 12.4\u00a0","og_url":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/","og_site_name":"TheExamPillar NCERT","article_published_time":"2022-11-09T05:25:08+00:00","og_image":[{"url":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png","type":"","width":"","height":""}],"author":"Admin","twitter_card":"summary_large_image","twitter_creator":"@exampillar","twitter_site":"@exampillar","twitter_misc":{"Written by":"Admin","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#article","isPartOf":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/"},"author":{"name":"Admin","@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1"},"headline":"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4","datePublished":"2022-11-09T05:25:08+00:00","mainEntityOfPage":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/"},"wordCount":360,"commentCount":0,"publisher":{"@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1"},"image":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#primaryimage"},"thumbnailUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png","keywords":["NCERT Class 7 Maths Chapter 12 Algebraic Expressions in English","NCERT Solutions Class 7 Maths Chapter 12 in english","NCERT Solutions Class 7 Maths in English","NCERT Solutions in English"],"articleSection":["Class 7 Maths"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/","url":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/","name":"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4 | TheExamPillar NCERT","isPartOf":{"@id":"https:\/\/theexampillar.com\/ncert\/#website"},"primaryImageOfPage":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#primaryimage"},"image":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#primaryimage"},"thumbnailUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png","datePublished":"2022-11-09T05:25:08+00:00","description":"NCERT Solutions Class 7 Mathematics\u00a0Chapter - 12 (Algebraic Expressions)The NCERT Solutions in English Language for Class 7 Mathematics Chapter - 12 Algebraic Expressions\u00a0 Exercise 12.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 12.4\u00a0","breadcrumb":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#primaryimage","url":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png","contentUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/11\/NCERT-Solutions-Class-7-Maths-Ex-12.4-Q1.png","width":485,"height":307,"caption":"NCERT Class 7 Maths Solution"},{"@type":"BreadcrumbList","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-12-algebraic-expressions-ex-12-4\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/theexampillar.com\/ncert\/"},{"@type":"ListItem","position":2,"name":"NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4"}]},{"@type":"WebSite","@id":"https:\/\/theexampillar.com\/ncert\/#website","url":"https:\/\/theexampillar.com\/ncert\/","name":"TheExamPillar NCERT","description":"","publisher":{"@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1"},"alternateName":"NCERT Solution","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/theexampillar.com\/ncert\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1","name":"Admin","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png","url":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png","contentUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png","width":512,"height":512,"caption":"Admin"},"logo":{"@id":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png"},"sameAs":["https:\/\/theexampillar.com\/ncert"],"url":"https:\/\/theexampillar.com\/ncert\/author\/ncert_eng_vikram\/"}]}},"_links":{"self":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts\/2140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/comments?post=2140"}],"version-history":[{"count":3,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts\/2140\/revisions"}],"predecessor-version":[{"id":2516,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts\/2140\/revisions\/2516"}],"wp:attachment":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/media?parent=2140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/categories?post=2140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/tags?post=2140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}