Question

If $n$ numbers of cubes each of volume $125{cm}^3$ are joined along one axis to form cuboid of volume $625{cm}^3$, then find the value of $n$.

• A. $2$
• B. $3$
• C. $4$
• D. $5$

Answer 1

The correct option is D $5$

New volume $125{cm}^3\times n=625{cm}^3$
$⟹n=5$