Puzzles - Number puzzles
Exercise : Number puzzles
28.

Answer
:
4
Explanation
:
In each triangle, the central number equals the sum of the three outer numbers divided by two.
29.

Answer
:
5
Explanation
:
In each star, the central number equals the difference between the sum of the even numbers and the sum of the odd numbers from the points of the star.
30.

Answer
:
5
Explanation
:
In each triangle, the number at the apex of the triangle equals the average of the two numbers at the bottom.
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