SSC SSC CHSL (Tier I & Tier II) Mock Test Series 2025 (New) Quantitative Aptitude Time and Work Pipe and Cistern
Pipe P & Pipe Q can fill a tank in 5 hours and 15 hours respectively. R can empty the same tank in 7.5 hours. How much time will all the three take together to fill the same tank?
1
2.5 hours
2
12.5 hours
3
3.5 hours
4
7.5 hours