Mathematics · Pipes and Cisterns
Two pipes A and B can fill a tank in 10 hours and 15 hours respectively. A leakage pipe C can empty the full tank in 30 hours. If all three pipes are opened together, but pipe B is closed after 4 hours, find the total time required to fill the tank.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 118 hours
- 232 hours
- 311 hours✓
- 413 hours
Correct answer
11 hours
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