Mathematics · Time and Work
X and Y together can do a certain job in 10 days, while X alone can do the same job in 15 days. In how many days can Y alone complete the job?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130 days✓
- 225 days
- 320 days
- 415 days
Correct answer
30 days
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