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If the radius of a right circular cylind...

If the radius of a right circular cylinder open at both the ends is decreased by `25%` and the height of the cylinder is increased by `25%`, then the surface area of the cylinder thus formed.

A

Remains unaltered

B

Increases by `25%`

C

Decreases by `25%`

D

Decreases by `6.25%`

Text Solution

Verified by Experts

The correct Answer is:
D
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S CHAND IIT JEE FOUNDATION-VOLUME AND SURFACE AREA -Section B (Question Bank - 27)
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