Mathematics · Time and Work
If 9 persons can do a job in 18 days, then 18 persons with twice the efficiency can do the same job in:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 17 2 days
- 211 2 days
- 35 2 days
- 49 2 days✓
Correct answer
9 2 days
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