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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 = 3 Unit digit of 32 = 9 Unit digit of 33 = 7 Unit digit of 34 = 1 Now,  When 2015 is divided by 4  Remainder = 3 ∴ Units digit of 32015 = 33 = 7 (last digit)

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