Application of DerivativeHard

Question

An inverted cone has a depth of 10 cm and a base of radius 5 cm. Water is poured into it at the rate of 3/2 c.c. per minute. The rate at which the level of water in the cone is rising when the depth is 4 cm is-

Options

A.cm / min
B.cm / min
C.cm / min
D.cm / min

Solution

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