Question
Pipe ‘X’ alone can fill a tank in 20 hours. When both pipes ‘X’ and ‘Y’ are opened together, they can fill 75% of the tank in 9 hours. How much time will pipe ‘Y’ alone take to fill 80% of the same tank?
More Pipes and cisterns Questions
- Pipe P can fill a tank in 5 hours, but pipe Q can empty it completely in 20 hours. If both are opened together, find the time needed to fill the tank.
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