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    Question

    The ratio of two numbers is 8:14 and their LCM is 280.

    The numbers are:
    A 32,64 Correct Answer Incorrect Answer
    B 50,100 Correct Answer Incorrect Answer
    C 40,70 Correct Answer Incorrect Answer
    D 60,80 Correct Answer Incorrect Answer

    Solution

    Let two numbers be A and B. => A:B = 8x:14x LCM = 8 × 14 × x = 56x => 56x = 280 => x = 5 A = 8x = 8 × 5 = 40 B = 14x = 14 × 5 = 70

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