Question

Which number is NOT a perfect square number?

Answer 1

Answer:24

because it is not on the perfect square chart which only includes:

0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144

Answer 2

a lot. 4,9,16,25,36,49,64,81,100 are all perfect squares