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    Question

    If the total ages of A and B is 10 years more than the

    total age of B and C. C is how many years younger than A?
    A 10 Correct Answer Incorrect Answer
    B 8 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D Cannot be determined Correct Answer Incorrect Answer

    Solution

    Let the age of A, B and C be x, y and z respectively. Then, according to question, => (x + y) – (y + z) = 10 => x + y – y - z = 10 => x - z = 10 Thus, C is 10 years younger than A.

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