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