In a family, the average age of a father and a mother is 35 years. The average a

Question

In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only son is 27 years. What is the age of the son ?

Options:

A . 11 years

B . 12 years

C . 10 years

D . 10.5 years

Answer: Option A
Answer: (a)Father + mother = 2 × 35 = 70 years Father + mother + son = 27 × 3 = 81 years∴ Son’s age = 81 – 70 = 11 years

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