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If 20 men take 30 days to complete a jo...

If 20 men take 30 days to complete a job, in how many days can 25 men complete the job?

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If 20 men can coomplete the job in 30 days, the the work is `20xx30=600` man-days.
If this to be done by the number of days they takes is `(600)/(2524`
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