Question
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 30 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 11 hours pipe ‘B’ is also opened. In how much time will the tank get filled completely?
More Pipes and cisterns Questions
- Pipe M can fill a tank in 24 hours and pipe N in 40 hours. If both the pipes are opened in an empty tank, how much time will they take to fill it?
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