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      Question

      9              17          

      53           103         310         619 Find out the wrong number in the following given number series :
      A 53 Correct Answer Incorrect Answer
      B 103 Correct Answer Incorrect Answer
      C 310 Correct Answer Incorrect Answer
      D 619 Correct Answer Incorrect Answer
      E 17 Correct Answer Incorrect Answer

      Solution

      9 × 2 – 1 = 17 17 × 3 + 1 = 52 52 × 2 – 1 = 103 103 × 3 + 1 = 310 310 × 2 – 1 = 619

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