A pipe can fill a tank in ‘x’ hours and another pipe can empty it in ‘y’ hours (y > x). If both the pipes are open, in how many hours will the tank be filled?
[A] (y – x) hours
[B] (x – y) hours
[C] \frac{xy}{y-x} hours
[D] \frac{xy}{x-y} hours
Click Here to Display Answer

Advertisement

Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...