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    Question

    A is 8 years older than B who is four times as old as C.

    The total sum of the ages of A, B and C is 35. How old is B?
    A 15 years Correct Answer Incorrect Answer
    B 25 years Correct Answer Incorrect Answer
    C 12 years Correct Answer Incorrect Answer
    D 20 years Correct Answer Incorrect Answer

    Solution

    Let the present age of C be x years. Now, B’s age will be = 4x And A’s age will be = (8+ 4x) According to the question, => A + B + C = 35 => (8 + 4x) + 4x + x = 35 => 9x = 27 => x = 3 Therefore the age of B = 4 × 3 = 12 years

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