Civil Services UKPSC Lower PCS Mock Test Series 2024 Quantitative Aptitude Time and Work Pipe and Cistern
Pipes A and B can fill a tank in 6 hours and 9 hours respectively. Pipe C can fill it in 15 hours. If all three pipes are opened simultaneously, in how much time will the tank be filled?
1
90/31 hours
2
44/5 hours
3
61/20 hours
4
4 घंटे