Question
If the height of a cylinder is halved and its diameter is doubled then, the new volume is the initial volume.
Answer: Option B
:
B
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B
Let the radius of a cylinder be 'r' and the height of a cylinder be 'h'.
Volume of cylinder=V=πr2hNew radius=2rNew height=h2New volume=π(2r)2h2=2πr2hNew volume=2V
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