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

  • question_answer
    Two numbers are in the ratio 3 : 4 and their LCM is 180. The first number is     

    A)                 15

    B)  60    

    C)  36

    D)  45   

    Correct Answer: D

    Solution :

    If the numbers be \[3x\] and \[4x,\] then their LCM \[=12x\] \[\therefore \]      \[12x=180\] \[\Rightarrow \]   \[x=\frac{180}{12}=15\] \[\therefore \] First number \[=3x=45\]


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