Question

Which of the following values is not a perfect square?
a.81
b.125
c.49
d.100

Answer 1

Correct ANSWER
C:49

Answer 2

Answer: b. 125

Explanation:

Find the square roots of each, and if the square root is a decimal, it is not a perfect square.

Square root of 81: 9

Square root of 49: 7

Square root of 100: 10

That leaves 125.