Quantitative Ability and Data Interpretation (Arithmetic) Q8:
Pipe A fills an empty cistern in 12 hours, while Pipe B empties it in 18 hours. If both pipes are opened simultaneously, in how many hours will the cistern be completely filled?
Pipe A fills an empty cistern in 12 hours, while Pipe B empties it in 18 hours. If both pipes are opened simultaneously, in how many hours will the cistern be completely filled?