Application of DerivativeMedium
Question
Water is poured into an inverted conical vessel of which the radius of the base is 2m and height 4m, at the rate of 77 litre/minute. The rate at which the water level is rising at the instant when the depth is 70 cm is -
Options
A.10 cm/min
B.20 cm/min
C.40 cm/min
D.none
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