state gov Maharashtra Zilla Parishad Jr. Assistant, Steno & Ringman Mock Test 2023 Quantitative Aptitude Time and Work Pipe and Cistern
There are two pipes attached to a tank. Pipe A can fill the tank in 6 hours while B can empty a filled tank in 8 hours. A starts filling the tank and after 4 hours B is also opened. Calculate the total time required to fill the tank.
1
34/7 hours
2
12 hours
3
14 hours
4
36/7 hours
5
38/7 hours