The average age of a man and his wife at the time of their marriage wa

1.	The average age of a man and his wife at the time of their marriage was 27 years. After 4 years of marriage, they have a one-year-old child. The average age of the family now is?1. 24 yrs2. 23 yrs3. 22 yrs4. 19 yrs5. 21 yrs
Answer» Correct Answer - Option 5 : 21 yrs GIVEN: (Man + wife)'s average age at marriage = 27 yrs Child's age after 4 years of marriage = 1 yr FORMULA USED: Average = Sum of observations/Total number of observations CALCULATION: (Man + wife)'s age at marriage = 27× 2 = 54 yrs (Man + wife)'s age after 4 yrs= 54 + 4 × 2 = 62 yrs Total age of family = 62 + 1 = 63 yrs Average age = 63/3 = 21 yrs ∴ The average age is 21 years.

The average age of a man and his wife at the time of their marriage was 27 years. After 4 years of marriage, they have a one-year-old child. The average age of the family now is?1. 24 yrs2. 23 yrs3. 22 yrs4. 19 yrs5. 21 yrs

Answer» Correct Answer - Option 5 : 21 yrs

GIVEN:

(Man + wife)'s average age at marriage = 27 yrs

Child's age after 4 years of marriage = 1 yr

FORMULA USED:
Average = Sum of observations/Total number of observations

CALCULATION:
(Man + wife)'s age at marriage = 27× 2 = 54 yrs

(Man + wife)'s age after 4 yrs= 54 + 4 × 2 = 62 yrs

Total age of family = 62 + 1 = 63 yrs

Average age = 63/3 = 21 yrs

∴ The average age is 21 years.

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The average age of a man and his wife at the time of their marriage was 27 years. After 4 years of marriage, they have a one-year-old child. The average age of the family now is?1. 24 yrs2. 23 yrs3. 22 yrs4. 19 yrs5. 21 yrs

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