Exams › SSC CGL (Prelims) › General

A prism has a parallelogram-shaped base with area 80 cm^2 and a height of 12 cm. If its lateral surface area is 384 cm^2, what is the perimeter of its base?

1. 24 cm
2. 32 cm
3. 36 cm
4. 40 cm

Correct answer: 32 cm

Solution

For a prism, lateral surface area = (perimeter of base) x height. So perimeter = 384 / 12 = 32 cm. The base area is extra information not needed here.

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