SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Time and Work Pipe and Cistern
Pipes P and Q can fill a tank in 6 and 4 hours respectively. Pipe P is opened at 7 PM, and P and Q are opened on alternate hours. In what time was the tank filled?
1
3 hours
2
6 hours
3
5 hours
4
4 hours 30 minutes