If a tank can be filled by a pipe in 6 hours and emptied by another pipe in 9 ho
Practice Questions
Q1
If a tank can be filled by a pipe in 6 hours and emptied by another pipe in 9 hours, how long will it take to fill the tank if both pipes are opened together?
3 hours
4 hours
5 hours
6 hours
Questions & Step-by-Step Solutions
If a tank can be filled by a pipe in 6 hours and emptied by another pipe in 9 hours, how long will it take to fill the tank if both pipes are opened together?
