Question

    The average age of three children is 14 years. If their

    ages are in the ratio 1:2:3. Find the age of the youngest child.
    A 6 years Correct Answer Incorrect Answer
    B 10 years Correct Answer Incorrect Answer
    C 7 years Correct Answer Incorrect Answer
    D 12 years Correct Answer Incorrect Answer

    Solution

    Total age of three children = 14 × 3 = 42 years Let their ages be x, 2x and 3x respectively. => x + 2x + 3x = 42 => 6x = 42 => x = 7 Therefore the age of youngest child = 7 × 1 = 7 years

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