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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