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Quantitative Aptitude

Factors of a Number

The smallest ...

Question

The smallest number added to 680621 to make the sum a perfect square is :

A

4

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B

5

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C

8

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D

9

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Solution

The correct option is A
4

$∴$ Number to be added = $825^{2}$ - 680621 = 680625 - 680621 = 4.

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