# CTET July 2019 Paper 2 Mathematics and Science Questions Paper Part 3

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49. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

The fractions and are written in descending order as

A.

B.

C.

D.

50. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

Which one of the following statements is __not__ true for integers?

A. Division is commutative.

B. 1 is the multiplicative identity.

C. Subtraction is not commutative.

D. Multiplication is associative.

51. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

If , and , then H. C. F. of x, y and z is

A.

B.

C.

D.

52. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

If 52272 , where p, q and r are prime numbers, then the value of is

A. 22

B. 23

C. 29

D. 21

53. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

If the 7-digit number is divisible by 72, then the value of is

A. 7

B. 8

C. 9

D. 6

54. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

Which of the following is __not__ a Pythagorean triplet?

A. 8,15, 17

B. 11,60, 63

C. 13,84, 85

D. 7,24, 25

55. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

The measure of an angle for which the measure of the supplement is four times the measure of the complement is

A.

B.

C.

D.

56. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

If the angles, in degrees, of a triangle are x, and , the triangle must be

A. Acute

B. Right

C. Isosceles

D. Obtuse

57. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

In triangles ABC and DEF, , and BC = EF. If and , then the value of x is

A. 2

B. 3

C. 4

D. 1

58. **Direction**: Answer the following questions by selecting the correct/most appropriate options.

One side of a triangle is 5 cm and the other side is 10 cm and its perimeter is P cm, where P is an integer. The least and the greatest possible values of P are respectively

A. 20 and 28

B. 21 and 29

C. 22 and 27

D. 19 and 29