# UPTET 2 2019 Mathematics and Science Questions Previous Paper Part 1

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# Mathematics & Science

91. For a natural number m, the product m is always divisible by

A. 3

B. 5

C. 7

D. 2

92. If , then value of x is

A. 9

B. 8

C. 6

D. 12

93. A umbrella is made by stitching 10 triangular pieces of cloth of two different colours. Each piece measuring 20 cm, 50 cm and 50 cm. How much cloth of each colour is required for umbrella?

A. sq. cm

B. sq. cm

C. sq. cm

D. sq. cm

94. If one root of the quadratic equation is the reciprocal of the other, then which of the following is correct?

A. a = c

B. ac =

C. b = c

D. a = 1

95. A sum of money doubles itself in 10 years at simple interest. What is the rate of interest?

A. 5 %

B. 8 %

C. 10 %

D. 2 %

96. If , and are three kinds of birds on a tree in the ratio 3: 7: 5 and number of birds are more than B_{1} birds by a multiple of 9 and 7 both, then minimum number of birds of the tree are

A. 630

B. 238

C. 942

D. 945

97. If , then the value of is

A. 2

B. 1

C. 0

D. 3

101. If the radius of a sphere is increased by 50 % , then how much percentage increases in is lateral area?

A. 125 %

B. 150 %

C. 200 %

D. 100 %