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The volume of a ball is increasing at th...

The volume of a ball is increasing at the rate of `4 pi c.c` /sec. The rate of increase of the radius when the volume is `288 pi cc` is

A

1/6 mm/sec

B

1/36 cm/sec

C

1/9 cm/sec

D

1/24 cm/sec

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The correct Answer is:
B
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