Mathematics · Time and Work
Two pipes A and B can fill an empty tank alone in 90 hours and 135 hours respectively. Pipe C alone can empty that completely filled tank in 108 hours. At first, both pipes A and B are opened and after 48 hours pipe C is also opened. In how much time from the beginning will the tank be completely filled?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 160 hours✓
- 250 hours
- 355 hours
- 452 hours
Correct answer
60 hours
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