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  5. Number System and its Operations

SSC Quantitative Aptitude Number System and its Operations Question Bank Numbers and Their Principles (II)

  • question_answer
    What will be the remainder when \[{{19}^{100}}\] is divided by 20?

    A) 19

    B) 20

    C) 3

    D) 1

    Correct Answer: D

    Solution :

    [d] Required remainder \[={{19}^{100}}={{(-1)}^{100}}=1\] [\[\therefore \] \[20=19+1\] so, 19 replace by \[(-1)\]]


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