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    Question

    The ages of A, B and C are in the ratio of 4:2:7

    respectively. If the sum of their ages is 52 years, then find the age of B.
    A 16 years Correct Answer Incorrect Answer
    B 12 years Correct Answer Incorrect Answer
    C 8 years Correct Answer Incorrect Answer
    D 15 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the ages of A, B and C be 4x, 2x and 7x respectively. According to the question, => 4x + 2x + 7x = 52 => 13x = 52 => x = 4 Age of B = 2x = 2 × 4 = 8 years.

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