If a tank can be filled by a pipe in 15 hours and emptied by another pipe in 10
Practice Questions
Q1
If a tank can be filled by a pipe in 15 hours and emptied by another pipe in 10 hours, how long will it take to fill the tank if both pipes are opened together?
5 hours
6 hours
7 hours
8 hours
Questions & Step-by-Step Solutions
If a tank can be filled by a pipe in 15 hours and emptied by another pipe in 10 hours, how long will it take to fill the tank if both pipes are opened together?