CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2008

  • question_answer
    The digit in the unit?s place of \[{{5}^{834}}\] is

    A)  \[0\]                                    

    B)  \[1\]

    C)  \[3\]                                    

    D)  \[5\]

    Correct Answer: D

    Solution :

    Now,   \[{{5}^{1}}=5,\,\,{{5}^{2}}=25,\,\,{{5}^{3}}=125,....\] Here, we see that in every power of 5, we get the unit digit is 5. Hence, units place of 5834 is 5.


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