A hemispherical tank full of water is emptied by a pipe at the rate of `(25)/7`litres per second.
Channel: Doubtnut
Date: 2020-07-12

A hemispherical tank full of water is emptied by a pipe at the rate of `(25)/7`litres per second. How much time will it take to empty half the tank, if it is 3m in diameter?