insurence exam LIC HFL Junior Assistant Mock Tests 2024 Quantitative Aptitude Time and Work Pipe and Cistern
A pipe can fill a cistern in 6 hours. Due to a leak in its bottom, it is filled in x hours. When the cistern is full, it will be emptied by the leak in 42 hours, then find the value of x.
1
6 hours
2
7 hours
3
5 hours
4
4 hours
5
3 hours