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      Question

      Find the wrong number in the given number series.

      78, 66, 51, 39, 20, 12
      A 12 Correct Answer Incorrect Answer
      B 78 Correct Answer Incorrect Answer
      C 39 Correct Answer Incorrect Answer
      D 20 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, 78 – 12 = 66 66 – 15 = 51 51 – 12 = 39 39 – 15 = 24 24 – 12 = 12 24 will come in the place of 20.

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