Mathematics · Time and Work
A and B together can complete a railway sleeper alignment task in 10 days. B alone can complete the same work in 15 days. In how many days can A alone complete the work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 days
- 225 days
- 330 days✓
- 440 days
Correct answer
30 days
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