Mathematics · Pipes and Cisterns
Pipe A can fill a tank in 8 hours. Pipes B and C can empty the full tank in 20 hours and 15 hours, respectively. Pipes A and B are opened together for 5 hours, and then B is closed, and C is opened instantly. The tank will be full in a total time of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11127 hours
- 21057 hours
- 31037 hours
- 41557 hours✓
Correct answer
1557 hours
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