Teaching Bihar Sakshamta Pariksha (Niyojit Shikshak) Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
Two taps A and B can fill a tank in 20 minutes and 30 minutes respectively and a third tap C can empty the full tank in 40 minutes. All the three taps are opened together, In how much time would they take to fill the tank?
1
15 minutes
2
17 minutes
3
18 minutes
4
120/7 minutes