SSC Sample Paper Mock Test-15 SSC CGL Tear-II Paper-1

  • question_answer
    The product of two numbers is 216. If the HCF is 6, then their LCM is

    A) 72        

    B)  60

    C)  48

    D)  36

    Correct Answer: D

    Solution :

    Let the numbers be 6x and 6y where x and/are prime to each other. \[\therefore \]      \[6x\times 6y=216\] \[\Rightarrow \]   \[xy=\frac{216}{6\times 6}=6\] \[\therefore \]      LCM \[=6xy=6\times 6=36\]


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