• 11 years ago
http://goo.gl/9JPA0m

Learn fun tricks to do quick calculations

Pipes and Cistern:
Questions based on this topic have outlet and inlet. Outlet: A pipe connected with a tank or cistern or reservoir, emptying it, is known as an outlet.

If a pipe can fill a tank in x hours, then :
part filled in 1 hour = 1 / x.

Recommended