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