# 19) A cylindrical tank of radius 10 m is being filled with wheat at the rate of 314 cubic metre per hour. Then the depth of the wheat is increasing at the rate of(A) 1 m/h(B) 0.1 m/h(C) 1.1 m/h(D) 0.5 m/h

It is given that

Volume of cylinder (V) =

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