Mathematics · Pipes and Cisterns
Pipe A can fill a tank in 20 hours, Pipe B can fill it in 15 hours, and Pipe C can empty the full tank in 32 hours. If all the pipes are opened together, approximately how much time will be needed to fill the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 111.71 hours✓
- 212.62 hours
- 313.53 hours
- 414.64 hours
Correct answer
11.71 hours
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