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      Question

      In each of the following number series, one term is

      wrong. Find the wrong term. 18, 15, 30, 27, 54, 52, 102
      A 18 Correct Answer Incorrect Answer
      B 102 Correct Answer Incorrect Answer
      C 30 Correct Answer Incorrect Answer
      D 52 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Pattern is alternate -3 and x 2 18 - 3 = 15 15 x 2 = 30 30 - 3 = 27 27 x 2 = 54 54 - 3 = 51 51 x 2 = 102 So, the correct series should be: 18, 15, 30, 27, 54, 51, 102 Hence, 52 is the wrong term.

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