Mathematics · Pipes and Cisterns
During transportation, a tank was damaged and developed a leak that could empty it in 30 minutes. It has an inlet tap that can fill it at a rate of 4 liters per minute. If the inlet tap is open, the tank is emptied in 90 minutes. What is the capacity of the tank?
- 1160 liters
- 2190 liters
- 3150 liters
- 4180 liters✓
Correct answer
180 liters
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