The average age of husband and his wife was 23 years at the time of their marriage. After five tears they have a one-year old child. The average age of the family of three, when the child was born, was.

A. 23 years

B. 24 years

C. 18 years

D. 20 years

Show Answer

Answer-C
Solution-

Solution(By Apex Team)

$\begin{array}{l}\text{According to the question,}\\ \begin{array}{l} \frac{H+W}{2}=23 \text { years } \\ \mathrm{H}+\mathrm{W}=46 \text { years…..(i) } \end{array}\end{array}$ As given in the question after five years they have a one-year old child. i.e., After 4 years of marriage child was born $\begin{array}{l}\text{∴ Average of (H + E + C)}\\ \begin{array}{l} =\Large\frac{46+8}{3}\\ =\Large\frac{54}{3}\\ =18 \text { years } \end{array}\end{array}$

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