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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 13 - Surface Areas and Volumes > A hemispherical tank full of water is emptied by a pipe at the rate of 3 7/4 litres per second . How much time will it take to half empty the tank, if the tank is 3 metres in diameter? (Take π = 22/7)

A hemispherical tank full of water is emptied by a pipe at the rate of 3 7/4 litres per second . How much time will it take to half empty the tank, if the tank is 3 metres in diameter? (Take π = 22/7)

A hemispherical tank full of water is emptied by a pipe at the rate of 3 7/4 litres per second . How much time will it take to half empty the tank if the tank is 3 metres in diameter? (Take π = 22/7)