Mathematics · Time and Work
A and B together can complete a piece of work in 15 days and B alone can complete it in 21 days. In how many days can A complete it alone?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15712 days
- 23112 days
- 35212 days✓
- 44112 days
Correct answer
5212 days
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