Mathematics · Time and Work
Pipes A and B can fill a tank in 12 hours and 18 hours respectively, whereas pipe C can empty the full tank in 8 hours. Pipes A and B are opened together for 4(1/2) hours and then closed. In how many hours will pipe C alone empty the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15
- 29✓
- 39(1/2)
- 45(1/4)
Correct answer
9
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