Question: 
An empty swimming pool can be filled to capacity through an inlet pipe in 3 hours and it can be completely drained by a drainpipe in 6 hours. If both pipes are fully open at the same time, in how many hours will the empty pool be filled to capacity?
5
6
4
5.5
6
Answer: 
6
Last Updated: 
08/11/2021 - 03:24