Mathematics · Pipes and Cisterns
Two taps can fill a tank in 30 minutes and 40 minutes respectively. Another tap can empty it in 24 minutes. If the tank is empty and all three taps are opened together, in how much time will the tank be filled?
- 14 hours
- 23 hours
- 32 hours
- 41 hour✓
Correct answer
1 hour
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