Practice Test Discussion

What approximate value should come in place of the question mark (?) in the given questions?

$\sqrt{624.98} + \sqrt{729.25} = ?$

[UBI (PO), 2010]

Explanation

Given,

$\sqrt{624.98} + \sqrt{729.25} = ?$

It can also be approximated as

$\sqrt{625} + \sqrt{729} = ?$

= 25+27

= 52

Hence, Option C is correct.

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