A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank com...

A pipe can fill a tank in 3 hours. There are two outlet pipes from the tank which can empty it in 7...

A water tank has 8 pipes in total. Some are filling pipes and the rest are drainage pipes. Each fill...

Two pipes, A and B, can fill a tank in 12 minutes and 15 minutes, respectively. Both pipes are open...

A water tank has a leak at its bottom which can completely drain the full tank in 8 hours. There is ...

A tank can be filled by two separate pipes in 12 hours and 16 hours respectively. A third pipe can ...

Pipes A and C are fill pipes, while Pipe B is a drain pipe of a tank. Pipe B empties the full tank ...