Question

Find the number which when multiplied by itself gives 676.

• A. 24
• B. 36
• C. 26
• D. 16

Answer 1

The correct option is C 26

Find a number which when multiplied by itself gives 676.
Let the number be x.
$x\times x=676\Rightarrow x^2=676$

∴
$x=\sqrt{676}=\sqrt{2\times 2\times 13\times 13}=\sqrt{26\times 26}=26$

So, the required number is 26.