Pipe A can fill a tank in 10 hours and pipe B can fill the same tank in 12 hours Both the pipes are ...........

Quantitative Aptitiude (CLAT) Pipes&cistern

Pipe A can fill a tank in 10 hours and pipe B can fill the same tank in 12 hours. Both the pipes are opened to fill the tank and after 3 hours pipe A is closed. Pipe B will fill the remaining part of the tank in

5 hours