engineering recuitment TANGEDCO Field Assistant (Trainee) Mock Test Quantitative Aptitude Time and Work Pipe and Cistern
Pipe number 1 can fill the tank in 5 h and pipe number 2 in 10 h. Pipe number 3 can drain the water and make empty in \(7\frac{1}{2}\) h. If all the three pipes are open all together, then the time required for filling the tank completely would be
1
6 h
2
16 h
3
10 h
4
None of these