Mathematics · Time and Work
Two pipes A and B can fill an empty tank in 100 hours and 150 hours respectively. Pipe C can empty that completely filled tank in 120 hours. Firstly both pipes A and B are opened and after 30 hours pipe C is also opened. In how much total time will the tank be completely filled?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1100 hours
- 290 hours✓
- 380 hours
- 495 hours
Correct answer
90 hours
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