Question

    A father is three times as old as his son. After 5

    years, the father’s age will be twice that of his son. What are their current ages?
    A Father: 45, Son: 15 Correct Answer Incorrect Answer
    B Father: 36, Son: 12 Correct Answer Incorrect Answer
    C Father: 40, Son: 20 Correct Answer Incorrect Answer
    D Father: 30, Son: 10 Correct Answer Incorrect Answer

    Solution

    Let the son's age = x. Father's age = 3x. After 5 years, (3x + 5) = 2(x + 5). Solving: 3x + 5 = 2x + 10 x = 5 Son’s age = 5 × 3 = 15 years. Correct answer: a) Father: 45, Son: 15

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