"Water is dripping out from a conical funnel at a uniform rate of `4c m^3//c m` through a tiny hole
Channel: Doubtnut
Date: 05/07/2020

"Water is dripping out from a conical funnel at a uniform rate of `4c m^3//c m` through a tiny hole at the vertex in the bottom. When the slant height of the   water is 3cm, find the rate of decrease of the slant height of the   water-cone. Given that the vertical angle of the funnel is `120^0dot`"