Question

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. what is the average age of the family ?

Answer 1

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Answer is :- 19

EXPLANATION :-

Sum of the present ages of husband, wife and child = (23 * 2 + 5 * 2) + 1 = 57 years.

Required average = (57/3) = 19 years


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Answer 2

Sum of the husband and wife age 5 years ago = 23 x 2 = 46

Sum of the husband and wife age now = 46 + (2 x 5) + 56

Sum of the husband, wife and child age =56 + 1 = 57

Average age of the family = 57 ÷ 3 = 19

Answer: 19 years old