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 curved surface area of the cylinder thus formed

A

remains unaltered

B

is increased by 25%

C

is increased by 6.25%

D

is decreased by 6.25%

Verified by Experts

The correct Answer is:

D

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