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    Question

    The last digit of the number 32015

    is
    A 1 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 5 Correct Answer Incorrect Answer
    D 7 Correct Answer Incorrect Answer

    Solution

    3 follows the rule of cyclicity Unit digit of 31┬а= 3 Unit digit of 32┬а= 9 Unit digit of 33┬а= 7 Unit digit of 34┬а= 1 Now,┬а When 2015 is divided by 4┬а Remainder = 3 тИ┤ Units digit of 32015┬а= 33┬а= 7 (last digit)

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