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    • Question

      Find the wrong number in the given number series.

      7, 9, 16, 12, 25, 15, 36
      A 15 Correct Answer Incorrect Answer
      B 9 Correct Answer Incorrect Answer
      C 36 Correct Answer Incorrect Answer
      D 12 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Alternate addition pattern:

      7 → +2 → 9

      9 → +7 → 16

      16 → -4 → 12

      12 → +13 → 25

      25 → -10 → 15 ← Wrong

      Correct should be:

      25 → -6 → 19

      19 → +17 → 36

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