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      Question

      Find the wrong number in the given number series.

      12, 20, 31, 45, 62, 84
      A 12 Correct Answer Incorrect Answer
      B 20 Correct Answer Incorrect Answer
      C 84 Correct Answer Incorrect Answer
      D 62 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let's observe the pattern:

      12 + 8 = 20,

      20 + 11 = 31,

      31 + 14 = 45,

      45 + 17 = 62,

      62 + 21 = 83.

      So, 84 should be 83.

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