Question

The average age of the members of a family consisting of a husband, a wife and two
children six years ago was 14 years 6 months. At present the number of family members
becomes 5 as they have one more baby and now average of their ages is 17 years 73 days
approximately. The age of new baby is:​

Answer 1

Answer:

The age of new baby is 2 years

Step-by-step explanation:

According to the question

Average age of a family of 5 members 3 year ago = 17 years

sum of ages of a family members = 5×17 = 85 years

A baby having been born the average age of the family is same today.

Sum of age of a family of 6 members = 17×6 = 102 years

sum of age of a family of 5 members at present = 85+5×3=85+15 = 100 years

Age of Child = 102 - 100 = 2 years

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