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If 10 men take 15 days to complete a work. In how many days will 37 men complete the work?

3 days
4 days
5 days
6 days

Correct Answer: 4 days

Explanation:

Given 10 men take 15 days to complete a work

=> Total mandays = 15 x 10 = 150

Let the work be 150 mandays.

=> Now 37 men can do 150 mandays in 150/37 =~ 4 days

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