BANK IBPS RRB PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Time and Work Pipe and Cistern
Three pipes P, Q and R. P and Q are inlet pipes and R is outlet pipe. Pipe P can alone fill the tank in 24 hours and the efficiency of pipe P is 30% of the efficiency of pipe Q, and the efficiency of pipe Q is double of pipe R. If all the pipe simultaneously opened, then in how many hours the tank will be completely filled ?
1
9 hours
2
12 hours
3
15 hours
4
8 hours
5
6 hours