BANK SBI Clerk Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Time and Work Pipe and Cistern
Pipes A and B can fill a tank in 18 and 30 hours respectively. Pipe C can empty it in 45 hours. If all the three pipes are opened together, then the tank will fill in how many hours?
1
7 hours
2
15 hours
3
18 hours
4
10 hours
5
20 hours