Question
A father tells his son,
l was of your present age when you were born." If the
father is 36 now, how old was the boy 5 years back ?
Answer: Option A
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Let the father's age be x and the son's age be y.
Then, x - y = y or x = 2y
Now, x = 36. So. 2y = 36 or y = 18.
Son's present age = 18 years.
So. son's age 5 years ago = 13 years.
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