state gov MP Forest Guard and Jail Prahari Mock Test 2023 Quantitative Aptitude Time and Work Pipe and Cistern
A container has two holes. The 1st hole alone empties the container in 15 minutes and 2nd hole alone empties the container in 10 minutes. If water leaks out at a constant rate, how long (in minutes) does it take if both the holes together empty the container?
1
6
2
\(\frac{1}{6}\)
3
\(\frac{1}{7}\)
4
7