A hemispherical tank of radius 1.75 m is full of water. It is connected with a pipe which empties it at the rate of 7 litres per second. How much time will it take to empty the tank completely?

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?

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?

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?

A hemispherical tank full of water is emptied by a pipe at the rate of 3 4/7 litres per second. How much time will it take to make the tank half-empty, if the tank is 3 m in diameter?

A hemispherical tank,full of water, is emptied by a pipe at the rate of 25/7 liters per second.how much time will it take to empty half the tank if the diameter of the base of the tank is 3 m.

A cylindrical tank full of water is emptied by a pipe at the rate of 225 litres per minute. How much time will it take to empty half the tank, if the diameter of its base is 3 m and its height is 3.5 m? [Use pi=22//7 ]

A tank is being drained at a constant rate. If it takes 3 hours to drain 6/7 of its capacity. How much longer will it take to drain the tank completely?

A pool has a uniform circular cross-section of radius 5m and uniform depth 1.4m. It is filled by a pipe which delivers water at the rate of 20 litres per sec. Calculate, in minutes, the time taken to fill the pool. If the pool is emptied in 42min, by another cylindrical pipe through which water flows at 2m per sec, calculate the radius of the pipe in cm.

A rectangular vessel when full of water takes 10 minutes to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water

A rectangular vessel when full of water takes 10 minutes to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water