Question

Which of the following can be a perfect square?

(A) A number ending in 3 or 7

(B) A number ending with odd number of zeros

(C) A number ending with even number of zeros

(D) A number ending in 2.




42. Which of the following is the number of zeros in the square of 900?

A) 2

B) 3

C) 4

D) 5




43. Find the Pythagorean triplet whose one number is 8

A) 8,15,17

B) 16,17,4

C) 15,16,8

D) 8,15,4




44. Find the Square root of 169

A) 12

B) 13

C) 14

D) 11




45. Find the square of 25

A) 125

B) 525

C) 625

D) 50

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Answer 1

Answer:

41) (C) A number ending with even number of zeroes.

42) (C) 4

43) (A) 8,15,17

44) (B) 13

45) (C) 625

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Answer 2

41. A number ending with even number of zeros

42.number of zeros in square of 900 is 4

43. Pythagorean triplet are 6,8,10

44. 13 is the square root of 169.

45. 625