Pipe and Cistern Formulas
1. Work Done by Pipes Formula
The total work done is the product of the rate and time.
2. Time Taken Formula
The time is work divided by the rate of work.
3. Combined Work Formula
The combined rate is the sum of the individual rates.
4. Time to Fill or Empty Formula
The time is capacity divided by the combined rate.
5. Time to Empty with Two Pipes Formula
The time to empty is capacity divided by the sum of emptying rates.
6. Inverse Proportionality Formula
Work is inversely proportional to time when the rate is constant.
7. Two Pipes Working Together Formula
The time depends on the difference between filling and emptying rates.
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