The average age of a husband and his wife was 23 years at the time of their marriage. After five years they have a one-year old child. The average age of the family now is : Choose the most appropriate option:
A) 25	B) 23	C) 19	D) 18	E) 17
Explanation:   Sum of the present ages of husband, wife and child = (23 * 2 + 5 * 2) + 1= 
<gadget id="calculator">(23 * 2 + 5 * 2) + 1</gadget>
<output>57</output>
57 years.   Required average= (57/3)= 
<gadget id="calculator">(57/3)</gadget>
<output>19</output>
19 years. Answer: 19
<result>C</result>
The average age of a husband and his wife was 23 years at the time of their marriage. After five years they have a one-year old child. The average age of the family now is :