Pipe Efficiency and Tank Filling Time
CMAT 2022 · Quantitative Techniques & Data Interpretation · Easy · Work and Time
One pipe can fill a tank three times as fast as another pipe. If the two pipes together can fill the tank in 36 minutes, then the slower pipe will take how much time to fill the tank alone?
- A.
81 minutes
- B.
108 minutes
- C.
192 minutes
- D.
144 minutes
Answer
D
Explanation
Let slower pipe fill rate units/min. Faster pipe fill rate units/min. Combined rate units/min. Total tank capacity units. Time for slower pipe alone minutes.
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