If 30 men can complete a job in 15 days, it means that the total work required for the job is equal to 30 x 15 = <<30*15=450>>450 man-days.
To find out how long it takes 10 men to complete the same job, we divide the total work by the number of men: 450 man-days / 10 men = <<450/10=45>>45 days. So, it takes 10 men 45 days to do the same job.
If 30 men can do a job in 15 days how long does it take 10 men to do the same job
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