Question
Pipe ‘A’ takes 40 minutes to fill a tank. Pipe ‘B’ takes 50 minutes to empty the same tank. If pipe ‘B’ is opened 21 minutes after pipe ‘A’, then find the total time taken to fill the tank in this manner.
More Pipes and cisterns Questions
- A pipe fills a tank in 10 hours. A leak empties it in 15 hours. If both are open, how long to fill the tank?
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- Pipe ‘X’ alone can fill a tank in 20 hours. When pipe ‘X’ and ‘Y’ are opened together, they can fill 60% of the same tank in 6 hours. Find the time taken b...
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- Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 32 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 14 hours pipe ‘B...
- A and B can fill a tank in 9 hours and 18 hours respectively. Pipe C can empty it in ‘x’ hours. If all three pipes are opened, the tank is filled in 4 hour...
- Two inlet pipes 'A' and 'B' can fill an empty tank in 60 minutes and 120 minutes, respectively. Another outlet pipe 'C' can empty the tank in 240 minutes. ...
- 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 15 hours pipe ‘B...
- P, Q and R three pipes connected to a tank. P and Q together fill the tank in 30 hours, Q and R together fill the tank in 40 hours. P and R together fill t...
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