Question
The average age of a group of engineers and labourers is 38. If the average age of the engineers is 36 years and that of the labourers is 42 years, what is the ratio of the number of engineers to labourers?
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The average age of a group of engineers and labourers is 38. If the average age of the engineers is 36 years and that of the labourers is 42 years, what is the ratio of the number of engineers to labourers?