Question
A pipe can fill a tank in 6 hours, another can empty it in 9 hours. How long to fill if both work together?
More Pipes and cisterns Questions
- Pipe ‘A’ takes 10 minutes to fill a tank. Pipe ‘B’ takes 20 minutes to empty the same tank. If pipe ‘B’ is opened 5 minutes after pipe ‘A’, then find the t...
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