Mathematics · Time and Work
A can complete a job alone in 12 hours. B joins A 5 hours after A has started the work. Together, they complete the remaining part of the job in a total of 8 hours from the beginning. In how much time could B complete the job alone?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19 hours✓
- 211 hours
- 37 hours
- 48 hours
Correct answer
9 hours
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