Question

Which of the following is not the square of a perfect square

Answer 1

D

Because the square root of 81 is 9
the square root of 144 is 12
And the square root of 256 is 16

Answer 2

The square that is not a perfect square is:

`\sqrt[]{371}`

Therefore the answer is D.

This comes from the fact that this is the only square that does not have an integer solution.