Question

The whole surface of a cube is 150 sq.cm. Then the volume of the cube is

• A. 125
• B. 216
• C. 343
• D. 512

Answer 1

Answer:

A. 125

Total Surface area of Cube = 6a²

$6a^2=150$

$a^2=\frac{150}{6}$

$a^2=25$

$a=5cm$

$Volume=a^3$

$=5^3$

$=5\times{5}\times{5}$

$=125cm^3$