Mathematics · Time and Work
A and B alone take 4 and 6 hours, respectively, to complete a certain work. If they work alternatively each hour, starting with A first, how long will it take them to complete the work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1113 hours
- 2143 hours✓
- 3173 hours
- 4133 hours
Correct answer
143 hours
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