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Sand is falling onto the ground at the ...

Sand is falling onto the ground at the rate of `18` cubic m/sec. And is forming a heap in the shape of a cone . If its height is twice the base-radius, then the rate at which the height is increasing when the height of the cone is 6 m is

A

`(4)/(pi)m//sec`

B

`(3)/(pi)m//sec`

C

`(1)/(pi)m//sec`

D

`(2)/(pi)m//sec`

Text Solution

Verified by Experts

The correct Answer is:
D
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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