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SSC Sample Paper SSC CGL - Sample Paper-27

  • 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 :

    Let \[n=5q+2\] \[3n=3(5q+2)\] \[\Rightarrow \]   \[3n=15q+6\]             \[=5(3q+1)+1\] When 3n is divided by 5, then remainder is 1.        


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