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What is Pipe and Cistern Problems Explained about?

1. A pipe can fill a tank in 10 hours while another pipe can fill it in 15 hours. How long would it take for them to fill the tank together? 2. A pipe can fill a tank in 10 hours. Another pipe can empty the same tank. If they are opened together, how long will it take to fill the tank? 3. A pipe can fill a tank in 20 minutes. Another pipe can empty the same tank in 25 minutes. If opened alternatively, how long will it take to fill the tank?

Author

Kailas

Language

EN