3 years ago the average of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:

11 years
2 $\frac{3}{2}$ $\frac{3}{2}$ years
32 years
43 years

Answer:- 1

Explanation:-

Solution:

Let age of the baby is x.
3 years ago total age of the family = 5 *17 = 85 years.
Total age of the 5 member at present time,
= 85 + 3*5 = 100 years
Total age of the family at present time including baby,
= 100 + X.
The average of the family including baby at present time,
= 17 years.

\frac{100 + x}{6} = 17

$\frac{{100 + {\text{x}}}}{6} = 17$
100 + X = 102
X = 102 - 100 = 2 years.

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100 + X = 102
X = 102 - 100 = 2 years. ", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution: