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      Question

      Select the odd number from the given alternatives:

      A 221 Correct Answer Incorrect Answer
      B 247 Correct Answer Incorrect Answer
      C 323 Correct Answer Incorrect Answer
      D 331 Correct Answer Incorrect Answer

      Solution

      The numbers are categorized based on whether they are Composite (multiples of a specific prime number) or Prime. 221: 13 x 17 = 221 (Multiple of 13 and 17) 247: 13 x 19 = 247 (Multiple of 13 and 19) 323: 17 x 19 = 323 (Multiple of 17 and 19) 331: This is a Prime Number; it has no factors other than 1 and itself.

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