Correct Answer: 18 years
Explanation:
Suppose present age of son = P years
Present age of father = 52 years
According to question,
Father's age at son's birth = son's present age
⇒ 52 – P = P
P + P = 52 years
⇒ 2P = 52
∴ P = 26 years
Son's age 8 years back = present age of son - 8 years = 26 – 8 = 18 years
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