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    Question

    If A:B = 3:4 and B:C = 5:7, then find the value of

    A:B:C.
    A 15:20:28 Correct Answer Incorrect Answer
    B 20:15:28 Correct Answer Incorrect Answer
    C 28:15:20 Correct Answer Incorrect Answer
    D 15:28:20 Correct Answer Incorrect Answer

    Solution

    Let value of 'B' be '20x' So, value of 'A' = 20x X (3/4) = '15x' And, value of 'C' = 20x X (7/5) = '28x' So, required ratio = 15x:20x:28x = 15:20:28

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