Mathematics · Time and Work
A can complete a task in 15 hours and B can do it in 30 hours. After A had worked alone for 5 hours, B joined A to finish the remaining task. In how much time will the remaining task be completed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16 hours 40 minutes✓
- 25 hours 30 minutes
- 36 hours 20 minutes
- 45 hours 40 minutes
Correct answer
6 hours 40 minutes
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