Tanks

Level pending

A tank is connected with four pipes A,B,C and D of which two are fillings the tank and, other two emptying it.The time taken by A,B,C and D to finish their jobare 10hr ,15hr, 20hr and 30hr respectively.All four pipes are opened .When the tank was empty ,it took 12hr to fill it completely.Which two are coutlet pipes?

×

Problem Loading...

Note Loading...

Set Loading...