Correct Answer: 12 years, 44 years
Explanation:
Let the present ages of son and father be x years and (56 - x) years respectively.
Then, (56 - x + 4) = 3(x + 4)
⇒ 4x = 48
⇒ x = 12
So, their present ages are 12 years, 44 years respectively.
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