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If the side of a cube decreases at the r...

If the side of a cube decreases at the rate of `0.02 cm//sec`, then, when the side is 10 cm , volume of the cube decreases at the rate of

A

`0.6 cm ^(3)//sec`.

B

`6 cm^(3)//sec`.

C

`60 cm^(3)// sec`.

D

`0.06cm^(3)//sec.`

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The correct Answer is:
B
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