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    Question

    The ages of A, B and C are in the ratio of 5:4:8

    respectively. If the sum of their ages is 51 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, 4x and 8x respectively. According to the question, => 5x + 4x + 8x = 51 => 17x = 51 => x = 3 Age of B = 4x = 4 × 3 = 12 years.

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