The volume of a cube is
Question:

The volume of a cube is 64 cm3. Its surface area is

(a) 16 cm2 

(b) 64 cm2 

(c) 96 cm2 

(d) 128 cm2

Solution:

The correct answer is option (c) 96 cm2

Explanation:

Let “a” be the side of the cube

Given that, the volume of cube is 64 cm3

It means that a3 = 64 cm3

Hence, a = 4 cm

Therefore, the surface area of a cube = 6 x 42 = 6 x 16 = 96

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