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 7.7 liters per seconds. How much time(in hours) will it take to empty 2/3 part of the tank if the internal radius of the tank is 10.5 m ? पानी से भरा एक गोलार्ध टैंक 7.7 लीटर प्रति सेकेंड की दर से एक पाइप द्वारा खाली किया जाता है। टैंक के 2/3 हिस्से को खाली करने में कितना समय लगेगा(घंटे में), यदि टैंक की आंतरिक त्रिज्या 10.5 मीटर है?

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 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?

An inlet pipe fills 1/8 part of a tank in 1 h. How much time will the pipe take to fill the empty tank?

A pipe can fill a tank in 12 minutes. Another pipe can empty that tank in 30 minutes. If they are opened alternatively. How much time will they take to fill that tanke?

A pipe can fill a tank in 20 h. due to a leak in the bottom , it is filled in 40 h .if the tank is full how much time will the leak take to empty it ?