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The radius of a cylinder is increasing a...

The radius of a cylinder is increasing at the rate of 2 cm/sec and the height is decreasing at the rate of 3 cm/sec. The rate of change of volume when the radius is 3 cm and height is 5 cm is:

A

`23pi`

B

`33pi`

C

`43pi`

D

`53pi`

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The correct Answer is:
B
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