BANK MP Cooperative Bank Clerk and Committee Manager Mock Test Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes P and Q can fill a cistern in 42 minutes and 36 minutes respectively. If both the pipes are opened together, then after how much time pipe Q should be closed so that the cistern is full in 28 minutes?
1
13 minutes
2
14 minutes
3
12 minutes
4
16 minutes
5
18 minutes