Railways Quantitative Aptitude Number System and its Operations Sample Paper Number System Sample Test Paper-1

  • question_answer
    \[{{9}^{6}}+7,\] when divided by 8, would have a remainder:

    A)  0        

    B)  6

    C)  5                    

    D)  None of these

    Correct Answer: A

    Solution :

    [a] By remainder theorem, \[{{9}^{6}}\] Will have the remainder 1 as 9 has the remainder 1. Also \[\frac{{{9}^{6}}+7}{8}\] will have the same remainder as \[\frac{{{(1)}^{6}}+7}{8}\] Which has the remainder equal to 0.


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