From a vertical cylindrical drum containing oil

MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

From a vertical cylindrical drum containing oil, oil leaks at the rate of

10\ \text{cm}^3/\text{s}

. If the radius of the drum is

10\ \text{cm}

and its height is

50\ \text{cm}

, find the rate at which the oil level is changing when the oil level is

20\ \text{cm}