state gov Allahabad High Court Stenographer 2024 Mock Test Series Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes, A and B can fill an empty tank in 8 hours and 12 hours respectively, whereas pipe C can empty a full tank in 6 hours. When the tank is empty, pipes A and B are opened and, after 2 hours, pipe C is also opened. In how many hours will the tank be completely filled?
1
12
2
16
3
14
4
18