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      Question

      Find the wrong number in the given number series.

      /> 11, 20, 38, 78, 154, 310
      A 11 Correct Answer Incorrect Answer
      B 310 Correct Answer Incorrect Answer
      C 78 Correct Answer Incorrect Answer
      D 38 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,


      9 * 2 + 2 = 20
      20 * 2 – 2 = 38
      38 * 2 + 2 = 78
      78 * 2 – 2 = 154
      154 * 2 + 2 = 310

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