BANK SBI PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes A and B can separately fill a cistern in 15min and 20min. respectively and the waste pipe C can carry off 10 litres per minute. If all the pipes are opened when the cistern is full, it is emptied in 2 hours. How many litres does the cistern hold?
1
80
2
90
3
60
4
70
5
100