If the radius of a right circular cylinder open at both the ends, is d – McqOptions

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1.	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%
Answer» E.

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