defence exam Agniveer Navy MR Mock Test Series 2025 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A and B can fill a tank in 5 hrs and 10 hrs respectively. Pipe C can empty the full tank in 2 hrs. If all three pipes opened together, then in how many hrs the full tank will empty?
1
3 hrs
2
5 hrs
3
2 hrs
4
1 hrs