Question

If the cube root of $n$ is $5$ , then find the square of $n$.

• A. $125$
• B. $624$
• C. $11625$
• D. $15625$

Answer 1

The correct option is D $15625$

$\sqrt[3]{3n}=5$
$\Rightarrow n=125$
$\Rightarrow n^2={125}^2=15625$