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    Question

    The ages of A, B and C together are 64 years. B is twice as old as A and C is 4 years older than A. What is the difference between ages of B and C?

    A 8 years Correct Answer Incorrect Answer
    B 5 years Correct Answer Incorrect Answer
    C 13 years Correct Answer Incorrect Answer
    D 11 years Correct Answer Incorrect Answer

    Solution

    Let A’s age be x years. B’s age = 2x and C’s age = (4 + x) According to question, => x + 2x + (4 + x) = 64 => 4x = 60 => x = 15 B’s age = 2x = 30 years C’s age = 4 + x = 19 years Difference between the ages of B and C = 30 – 19 = 11 years

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