police West Bengal Police SI 2024 Mock Test Series Quantitative Aptitude Time and Work Pipe and Cistern
A tank can be filled by tap A in 2 hours and tap B in 5 hours. Tap C can empty the filled tank in 8 hours. If all the taps are opened simultaneously, how long will it take to fill the tank completely?
1
12 hours
2
10/3 hours
3
8 hours
4
40/23 hours