Q. 54.0( 5 Votes )

B. volume of cylinder will remain unchanged

C. volume of the cylinder will be halved

D. volume of cylinder will be of the original volume

Answer :

we know that,


The volume of cylinder having base radius = r


And original height of cylinder = h


Volume of cylinder (v) = π × r2 × h


New height H = h and


New radius R = 2r (new radius = 2 times of original radius)


New volume of cylinder(V) = π × 4r2 × h = πr2h = v


Hence, the volume of new cylinder = the volume of original cylinder.


And the answer is (b).

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