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    Question

    The ages of A, B and C are in the ratio of 5:3:7

    respectively. If the sum of their ages is 60 years, then find the age of B.
    A 16 years Correct Answer Incorrect Answer
    B 12 years Correct Answer Incorrect Answer
    C 10 years Correct Answer Incorrect Answer
    D 15 years Correct Answer Incorrect Answer

    Solution

    Let the ages of A, B and C be 5x, 3x and 7x respectively. According to the question, => 5x + 3x + 7x = 60 => 15x = 60 => x = 4 Age of B = 3x = 3 × 4 = 12 years.

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