Mathematics · Time and Work
Two pipes A and B can fill a tank completely in 5 hours and 8 hours, respectively. Pipe C can empty the tank completely in 10 hours. If all three pipes are opened simultaneously in an empty tank, how much time will it take to fill the tank completely?
- 1389 hours
- 2449 hours✓
- 33 hours
- 46 hours
Correct answer
449 hours
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