Question
The average age of a group of lawyers and labourers is 42. If the average age of the lawyers is 40 years and that of the labourers is 46 years, what is the ratio of the number of lawyers to labourers?
2 m

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The average age of a group of lawyers and labourers is 42. If the average age of the lawyers is 40 years and that of the labourers is 46 years, what is the ratio of the number of lawyers to labourers?