Teaching Railway Teacher PRT 2025 Mock Test Series Quantitative Aptitude Time and Work Pipe and Cistern
Tap-A fills a tank in 5 hrs, Tap-B fills the same tank in 15 hrs, and Tap-C empties the same tank in 10 hrs. With all the three taps open together, the tank will fill in
1
10 hrs
2
6 hrs
3
5 hrs
4
never fill