state gov Patna Civil Court Stenographer Mock Test 2022 Quantitative Aptitude Time and Work Pipe and Cistern
A tap can fill a tank in 4 hours but due to leakage in the bottom it takes 2 hours more to fill the tank. In how many hours can the leakage empty a completely filled tank?
1
20 hrs
2
24 hrs
3
12 hrs
4
6 hrs