Mathematics · Pipes and Cisterns
Two pipes A and B can fill an empty tank in 40 hours and 60 hours respectively. Pipe C can empty the completely filled tank in 48 hours. Initially, both pipes A and B are opened, and after 20 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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- 130 hours
- 232 hours
- 328 hours✓
- 424 hours
Correct answer
28 hours
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