engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A alone can fill a tank in 8 hours. Pipe B alone can fill it in 6 hours. If both the pipes are opened and after 2 hours pipe A is closed, then the other pipe will fill the remaining tank in
1
6 hrs
2
3.5 hrs
3
4 hrs
4
2.5 hrs
5
none of these