If 6 men take 15 hours to complete a job, how many hours will 10 men take to complete the same job?
Answer: 9 hours
Explanation
To find the number of hours 10 men will take:
First, find the total work hours for 6 men:
6 men * 15 hours = 90 man-hours
Now, divide the total work hours by 10 men:
90 man-hours / 10 men = 9 hours
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