**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 m^{2 }

(B) 3200 m^{2}

(C) 1600 m^{2}

(D) 12800 m^{2}

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**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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**108. The oldest branch of Mathematics is – **

(A) Algebra

(B) Arithmetic

(C) Geometry

(D) Astrology Math

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**109. What is the importance of Mathematics at Primary level? **

(A) Cultural

(B) Social

(C) Religious

(D) Mental

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**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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**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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**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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**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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**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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**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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**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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**117. If x + y= 2a, then the value of a/(x – a) + a/(y – a) is – **

(A) 2

(B) 2a^{2 }

(C) 0

(D) 2a

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**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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**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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**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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