Mathematics · Time and Work
Two persons A and B working separately can sanitize a building in 6 hours and 10 hours, respectively. They work in stretches of one hour alternately. If A begins the work at 8 a.m., after how many total hours will the work be finished?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1813 h✓
- 2613 h
- 3713 h
- 4913 h
Correct answer
813 h
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