Find the missing term.


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Answer:

12

Step by Step Explanation:
  1. Let us observe this picture, and find the difference between consecutive numbers anti-clockwise,
    7 - 3 = 4
    ? - 7 = --
    18 - ? = --
    25 - 18 = 7
    33 - 25 = 8
  2. We can see that the difference between consecutive terms is increasing by 1. So if this pattern is to continue
    ? - 7 = 5 and 18 - ? = 6
  3. Above relationships hold true only when the missing number is 12. Therefore, the missing number is 12.

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