BANK IBPS RRB Clerk 2025 Mock Test Series (Pre + Mains) Quantitative Aptitude Time and Work Pipe and Cistern
Inlet pipe can fill 50% of tank in 2 hours and drain pipe can empty 75% of tank in 6 hours. When will the tank be filled if both pipes are opened together?
1
4 hours
2
12 hours
3
6 hours
4
10 hours
5
8 hours