Question

If a pipe can fill a tank in x hours and another pipe can empty the full tank in y hours (y > x), then the part of the tank filled in 1 hour = .

Answer 1

Answer:

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? Hence option [C] is the right answer.