NCERT Solutions Class 8 Mathematics
Chapter – 1 (Rational Numbers)
The NCERT Solutions in English Language for Class 8 Mathematics Chapter – 1 Rational Numbers Exercise 1.2 has been provided here to help the students in solving the questions from this exercise.
Chapter 1: Rational Numbers
Exercise – 1.2
1. Represent these numbers on the number line.
(i) (ii)
Solution –
(i)
Here, point A represents on the number line.
(ii)
Here, point B represents on the number line.
2. Represent , , on a number line.
Solution – We have
Here, point A represents , point B represents , point C represents
3. Write five rational numbers which are smaller than 2.
Solution – The number 2 can be written as
Hence, we can say that the five rational numbers which are smaller than 2 are:
, and
4. Find the rational numbers between and .
Solution – Let us make the denominators the same, say 50.
= =
= =
Ten rational numbers between and are
and
5. Find five rational numbers between:
(i) and
(ii) and
(iii) and
Solution –
(i) and
Let us make the denominators the same, say 60
= =
=
Five rational numbers between and are
and
and
(ii) and
Let us make the denominators the same, say 6
= – = –
= =
Five rational numbers between – and are
, and
(iii) and
Let us make the denominators the same, say 24
= =
= =
Five rational numbers between and
and
and
6. Write five rational numbers greater than -2.
Solution – -2 can be written as –
Hence, we can say that the five rational numbers greater than – 2 are
and
7. Find ten rational numbers between and .
Solution – Let us make the denominators the same, say 80.
=
=
Ten rational numbers between and are
and
and