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SSC Sample Paper Mock Test-6 SSC CGL Tear-II Paper-1

  • question_answer
    A number when divided by 5 leaves a remainder 3. What is the remainder when the square of the same number is divided by 5?

    A)  1

    B)  2

    C)  3

    D)  4

    Correct Answer: D

    Solution :

    If the quotient in the first case be x Then, number \[=5\,x+3\] On Squaring, the number \[={{(5\,x+3)}^{2}}=25\,{{x}^{2}}+30\,x+9\] On dividing by 5, remainder \[=9-5=4\]


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