average age of 6 sons of a family is 8 years. average age of sons together wit

Question

average age of 6 sons of a family is 8 years. average age of sons together with their parents is 22 years. if the father is older than the mother by 8 years, the age of mother (in years) is

Options:

A . 20 years

B . 40 years

C . 60 years

D . 70 years

Answer: Option C
Explanation :

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