Exams › SSC CGL (Prelims) › General

A right circular cylinder has a base radius of 30 cm and a volume of 600 cm^3. What is the height of the cylinder?

1. 0.21 cm
2. 0.61 cm
3. 0.51 cm
4. 0.31 cm

Correct answer: 0.21 cm

Solution

Volume = pi * r^2 * h => 600 = pi * 30^2 * h = 900*pi*h. So h = 600 / (900*pi) = 2/(3*pi) = 2/9.4248 ≈ 0.2122 cm ≈ 0.21 cm.

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