Mathematics · Time and Work

Thirty men take 20 days to complete a job working 9 hours a day. How many hours a day should 40 men work to complete the same job in 20 days?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

19 hours
26 hours 45 minutes✓
3712 hours
48 hours

Correct answer

6 hours 45 minutes

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Thirty men take 20 days to complete a job working 9 hours a day. How many hours a day should 40 men work to complete the same job in 20 days?

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Thirty men take 20 days to complete a job working 9 hours a day. How many hours a day should 40 men work to complete the same job in 20 days?

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