BANK SBI PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A and Pipe B can fill a tank into 20 hours and 12 hours respectively. Pipe C can empty it in 10 hours. If all three pipes are open alternatively for 1 hour but start is with A, then the whole tank will fill in how many hours?
1
120 hours
2
80 hours
3
100 hours and 30 minutes
4
90 hours and 48 minutes
5
None of these