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The radius of a circular plate is increa...

The radius of a circular plate is increasing at the rate of 0.01cm/sec when the radius is 12 cm. Then the rate at which the area increases is

A

`0.24 pi (sq. cm)/sec`

B

`60 pi (sq. cm)/sec`

C

`24 pi (sq. cm)/sec`

D

`1.2 pi (sq. cm)/sec`

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The correct Answer is:
A
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