Mathematics · Work and Time
A alone can do a work in 30 days, B alone in 40 days. They start together, but A leaves 5 days before the completion of work. Total work is completed in 18 days. How many days did A work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116.5 days
- 215 days
- 314 days
- 413 days✓
Correct answer
13 days
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