state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A can fill a tank in 744 minutes and Pipe B can empty the same tank in 930 minutes. If both pipes are opened together, how many hours will it take to fill the empty tank?
1
66
2
64
3
60
4
62