Pipes & Cisterns

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

Two pipes, A and B, can fill a tank in 12 minutes and 15 minutes, respectively. Both pipes are opened at the same time,...

A pipe can fill a tank in 3 hours. There are two outlet pipes from the tank which can empty it in 7 and 10 hours respec...

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

A water tank has 8 pipes in total. Some are filling pipes and the rest are drainage pipes. Each filling pipe can fill 1/...