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    Question

    The ratio of two numbers is 5:10 and their LCM is 100.

    The numbers are:
    A 48,80 Correct Answer Incorrect Answer
    B 32,64 Correct Answer Incorrect Answer
    C 50,100 Correct Answer Incorrect Answer
    D 60,80 Correct Answer Incorrect Answer

    Solution

    Let two numbers be A and B. => A:B = 5x:10x LCM = 5×10 ×x = 10x => 10x = 100 => x = 10 A = 5x = 5×10 = 50 B = 10x = 10 ×10 = 100

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