Question

The length of each edge of a cube is $9m$. The volume of the cube in $m^3$ is:

• A. $27$
• B. $81$
• C. $108$
• D. $729$

Answer 1

The correct option is D $729$

Given, the edge of a cube $a=9m$.

Then, Volume of cube $V=a^3=9^3=9\times 9\times 9=729m^3$.

Hence, option $D$ is correct.