SSC CHSL 15 Nov 2015 Shift 1 Paper

Question : 122 of 199

Marks: +1, -0

The radius of base and curved surface area of a right cylinder is ‘r’ units and square units respectively. The height of the cylinder is:

Solution:

Let height of cylinder = H units
Curved surface area of cylinder =

2πrH

According to ques, ⇒

2πrH = 4πrh

⇒

H = 4/2h

⇒

H = 2h

units

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