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UTET Exam 26 Nov 2021 Paper – 1 (Mathematics) (Answer Key)

UTET Exam 26 Nov 2021 Paper – 1 (Mathematics) (Official Answer Key)

Posted on November 26, 2021December 3, 2021 by Senior Editor

106. In a circular park of diameter 80m, there is a square shaped playground of maximum area. The area of the playground is –
(A) 6400 m2
(B) 3200 m2
(C) 1600 m2
(D) 12800 m2

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Answer – (B)

107. The method in which new rules are established by examples is –
(A) Deductive Method
(B) Inductive Method
(C) Analytical Method
(D) Synthesis Method

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Answer – (B)

108. The oldest branch of Mathematics is –
(A) Algebra
(B) Arithmetic
(C) Geometry
(D) Astrology Math

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Answer – (B)

109. What is the importance of Mathematics at Primary level?
(A) Cultural
(B) Social
(C) Religious
(D) Mental

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Answer – (D)

110. According to Hogben – “Mathematics is the mirror of Civilization.” This statement corresponds to which value of Mathematics?
(A) Cultural Value
(B) Social Value
(C) Disciplinary Value
(D) None of these

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Answer – (A)

111. If x:y = 1:2, then the value of (8x + 9y) : (8x + 2y) will be –
(A) 22 : 29
(B) 29 : 22
(C) 13 : 6
(D) 6 : 13

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Answer – (C)

112. If a metallic cone of radius 30 cm and height 45 cm is melted and recast into metallic spheres of radius 5 cm, find the number of spheres –
(A) 81
(B) 41
(C) 80
(D) 40

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Answer – (A)

113. A work can be completed by P and Q in 12 days, Q and R in 15 days & R and P in 20 days. In how many days P alone can finish the work?
(A) 10
(B) 20
(C) 30
(D) 60

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Answer – (C)

114. The average marks obtained by 40 students of a class is 86. If the 5 highest marks are removed, the average reduces by one mark. Find the average marks of top 5 students –
(A) 92
(B) 96
(C) 93
(D) 97

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Answer – (C)

115. What is the major problem found in primary level teacher of mathematics?
(A) Lack of pedagogical training
(B) Lack of preparation
(C) Busyness in record maintenance
(D) None of these

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Answer – (A)

116. Which of the following method is based on principles of “Watch, listen and learn”?
(A) Laboratory Method
(B) Demonstration Method
(C) Lecture Method
(D) Research Method

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Answer – (B)

117. If x + y= 2a, then the value of a/(x – a) + a/(y – a) is –
(A) 2
(B) 2a2
(C) 0
(D) 2a

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Answer – (C)

118. Zinc and Copper are in the ratio 5:3 in 400 gm. of an alloy. How much of copper (in gms) should be added to make the ratio 5 : 6?
(A) 50
(B) 150
(C) 550
(D) 300

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Answer – (B)

119. If 1 is subtracted to both the numerator and the denominator of a fraction, it becomes 1/3. If 1 is added to both the numerator and denominator of that fraction, it becomes 1/2. Then the sum of numerator and denominator of that fraction is –
(A) 10
(B) 18
(C) 7
(D) 16

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Answer – (A)

120. A car can finish a certain journey in 10 hours at speed of 48 km/h. In order to cover the same distance in 8 hours, the speed of the car must be increased by –
(A) 6 Km/h
(B) 12 km/h
(C) 15 Km/h
(D) 60 Km/h

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Answer – (B)

 

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