Mathematics · Pipes and Cisterns
Pipe A can fill a tank in 30 minutes and pipe B can empty it in 45 minutes. If both pipes are opened together, the tank is filled in 90 minutes. Find the capacity of the tank if pipe B empties 12 litres per minute.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1540 litres✓
- 2480 litres
- 3580 litres
- 4560 litres
Correct answer
540 litres
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