Quantitative Aptitude - Pipes and Cisterns - Formula & Concept Tutorial

1. Inlet

The Pipe that fill tank or reservoir.

2. Outlet

The Pipe that emptying tank or reservoir.

3. If a pipe can fill a tank in x hours, then part filled in 1 hour =
4. If a pipe can empty a full tank in y hours, then part emptied in 1 hour =
5. If a pipe can fill a tank in x hours and another pipe can empty the full tank in y hours.

1. If ( y > x )  then on opening both the pipes, the net part filled in 1 hour =
2. If ( x > y )  then on opening both the pipes, the net part emptied in 1 hour=