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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-14

  • question_answer
    When a positive integer n is divided by 5, the remainder is 2. What is the remainder when the number 3n is divided by 5?

    A)  1       

    B)  2

    C)  3                                

    D)  4

    Correct Answer: A

    Solution :

     \[n=5q+2\] where q is an integer.  \[3n=3(5q+2)=15q+6=5(3q+1)+1\]                when 3ms divided by 5, the remainder \[=\]                      


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