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      Question

      In the following question, select the odd number from

      the given alternatives.
      A 529 Correct Answer Incorrect Answer
      B 841 Correct Answer Incorrect Answer
      C 1849 Correct Answer Incorrect Answer
      D 225 Correct Answer Incorrect Answer

      Solution

      All the numbers given in the options are square of a prime number except for '729'. 1) 529 = 23² 2) 841 = 29² 3) 1849 = 43² 4) 225 = 15² , 15 is not a prime number.

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