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SSC Sample Paper SSC CGL - Sample Paper-11

  • question_answer
    The LCM and the HCF of the numbers 28 and 42 are in the ratio

    A) 6 : 1                 

    B) 2: 3     

    C) 3: 2                              

    D) 7: 2

    Correct Answer: A

    Solution :

    LCM of 28 and 42
    2 28, 42
    2 14, 21
    7 7, 21
    1, 3
                \[=2\times 2\times 7\times 3=84\] HCF of 28 and 42             \[\therefore \]      HCF = 14             Required ratio\[=\frac{84}{14}=6:1\]      


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