Mathematics · Time and Work
Pipes A and B can empty a completely full tank in 20 hours and 30 hours, respectively, while pipe C alone can fill the empty tank in 8 hours. If pipes A, B, and C are opened simultaneously, after how many hours will the tank be 75% full?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125 hours
- 220 hours
- 318 hours✓
- 424 hours
Correct answer
18 hours
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