Multiple choice

The sum of the ages of a father and his son is 40 years. Four years ago, the father's age was 3 times his son's age. What is the present age of the father?

  1. 28 years

  2. 32 years

  3. 30 years

  4. 25 years

  5. 20 years
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A Correct answer
Explanation

Let the present age of father be x years. So, present age of son = 40 - x years Four years ago, age of father = x - 4 years and age of son = 40 - x - 4 = 36 - x years Now, according to question, x - 4 = 3(36 - x) On solving this equation, we get x = 28 years So, the present age of father is 28 years.

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