1.

Which of the following numbers is not a perfect square? A. 529 B. 961 C. 1024 D. 1222

Answer»

We know that,

Any number which is ending with 2, 3, 7 and 8 is not a perfect square

Therefore,

1222 is not a perfect square as it is ending with digit 2

Hence, option (D) is correct



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