state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 Quantitative Aptitude Time and Work Pipe and Cistern
A tank is normally filled in 18 hours by a pipe, but it takes 6 hours more to fill the tank due to a leakage at its bottom. The leakage point can empty the tank when it is two-third full in ______ hours.
1
60
2
36
3
48
4
72