Question

Which number is not a perfect square?

A.1

B.25

C.30

D.36

Answer 1

30

Explanation:

Perfect squares are 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 900 and 961.