What least number must be added to 521 to make it a perfect square? A – InterviewSolution

InterviewSolution

1.

What least number must be added to 521 to make it a perfect square? A. 3 B. 4 C. 5 D. 8

Answer»

For making 521 a perfect square, we have to add 8 on it as:

521 + 8 = 529

And we know that,

\(\sqrt{529}=23\)

Hence, option (D) is correct

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