BANK IBPS RRB PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Time and Work Pipe and Cistern
Three pipes A, B, C can fill a cistern in 9 hours ,12 hours and 18 hours respectively. if pipe A is open all the time and B and C are opened alternatively for one hour each then the cistern will be full in?
1
4.5 hours
2
5.5 hours
3
4 hours
4
5 hours
5
6 hours