Mathematics · Time and Work
There are three pipes A, B, and C connected to a tank. Pipe A can fill the empty tank in 8 hours, pipe B can fill it in 10 hours, and pipe C can empty the completely filled tank in 20 hours. If all three pipes are opened together when the tank is empty, in how many hours will the tank be completely filled?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12511 hours
- 22011 hours
- 3307 hours
- 4407 hours✓
Correct answer
407 hours
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