Multiple choice

At present, the father is older than the son by 25 years. After 13 years, the father's age becomes double that of the son's. What is father's age now?

  1. 26 years

  2. 37 years

  3. 38 years

  4. 50 years
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let son's age be x, father's age be x+25. After 13 years, father is x+38, son is x+13. Equation: x+38 = 2(x+13) => x+38 = 2x+26 => x = 12. Father's current age = 12+25 = 37.

AI explanation

Let the son's present age be x, making the father's present age x + 25. After 13 years, their ages will be x + 13 and x + 38, so x + 38 = 2(x + 13). Solving this equation gives x + 38 = 2x + 26, which means the son is 12 years old. The father's present age is therefore 12 + 25 = 37 years.

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