defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Quantitative Aptitude Time and Work Pipe and Cistern
Ten pipes through which water flows at the same rate can fill a tank in 28 minutes. If three pipes go out of order, how long will the remaining pipes take to fill the tank?
1
40 min
2
8 min 24 sec
3
25 min 12 sec
4
32 min. 36 sec