railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes P1 and P2 can fill an empty tank in 6 hours and 8 hours respectively. Pipe P3 can empty that completely filled tank in 16 hours. First both the pipes P1 and P2 are opened and after 3 hours pipe P3 is also opened. In what time will the tank be completely filled?
1
42/11 hours
2
37/11 hours
3
34/11 hours
4
39/11 hours