Mathematics · Time and Work
Pipe A can fill a tank in 10 hours, Pipe B in 20 hours. Pipe C can empty the full tank in 25 hours. If all are opened together, how long will it take to fill the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19.09 hours✓
- 29.50 hours
- 310.00 hours
- 411.11 hours
Correct answer
9.09 hours
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