Mathematics · Time and Work
Pipe A alone can fill a tank in 10 hours, while pipe B alone can fill it in 20 hours, and pipe C alone can empty the full tank in 60 hours. If all the pipes are opened together, how much time will be needed to fill the tank completely?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1612 hours
- 2712 hours✓
- 3812 hours
- 4912 hours
Correct answer
712 hours
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