1) 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 : A) 19 years B) 23 years C) 28.5 years D) 29.3 years Answer: Option AExplanation:Sum of the present ages of husband wife and child = 23x2+5x2+1=57 years Required average =57/3= 19 years