Mathematics · Pipes and Cisterns
Two pipes A and B can fill a tank in 15 hours and 20 hours, respectively, while a third pipe C can empty the full tank in 30 hours. If all three pipes operate simultaneously, in how much time will the tank, initially empty, be filled?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 113 hours
- 218 hours
- 315 hours
- 412 hours✓
Correct answer
12 hours
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