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5th Class Mathematics Factors and Multiples Question Bank Factors and Multiples

  • question_answer
    Study the following. Which digit in the number \[2M+15N\] is in the thousands place?

    A)  \[0\]                            

    B)                     \[1\]                            

    C)                     \[2\]                            

    D)                     \[6\]

    Correct Answer: B

    Solution :

    M = L.C.M. of\[18,\,\,24,\,\,40=360\] N = H.C.F of \[60,\,\,180,\,\,360=60\] \[\therefore \]\[2M+15N=1620\] \[\therefore \]The digit in thousands place is\[1\].


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