Mathematics · Time and Work
An empty tank can be filled by pipe A in 4 hours, pipe B in 12 hours, and pipe C in 6 hours. All three pipes are opened as follows: pipe C is opened at 6 a.m., pipe A at 7 a.m., and pipe B at 8 a.m. If the tank was completely empty at 6 a.m., at what time will the tank be full?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19:10 a.m.
- 28:50 a.m.✓
- 38:45 a.m.
- 49:00 a.m.
Correct answer
8:50 a.m.
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