Quantitative Aptitude Average

The average age of persons of a colony is 14.2 years. The average age of males in the colony is 15.6 years and that of the females is 13.8 years. The ratio of the number of males and females in the colony is:

1

2 ∶ 7

2

1 ∶ 2

3

2 ∶ 1

4

1 ∶ 7

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