Three years ago the average age of 5 members of the family was 17 years A baby having been born in t...........

Quantitative Aptitude (CDS) Average

Three years ago the average age of 5 members of the family was 17 years. A baby having been born in that family, the average age of the family remains the same even today.what is the baby's age?

3years

1years

2years

4years

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Explanation:

3years ago -> 5× 17 = 85 years (total age of family)
Now -> 6× 17 = 102 (total age of family)
difference = 102 - 85 = 17
17 = 3+3+3+3+3+2
given, the average age of family remains same even today.So age of baby = 2 years.