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BCECE Engineering BCECE Engineering Solved Paper-2006

  • question_answer
    The units place digit in the number \[{{13}^{25}}+{{11}^{25}}-{{3}^{25}}\]is:

    A)  0                                            

    B)  1                            

    C)  2                            

    D)         3

    Correct Answer: B

    Solution :

    Unit place digit in the number\[={{13}^{25}}=3\] Unit place digit in the number \[{{11}^{25}}=1\] and unit place digit in the number\[{{3}^{25}}=3\] Thus, the unit place digit in the number \[{{13}^{25}}+{{11}^{25}}-{{3}^{25}}=3+1-3=1.\]


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