Puzzles - Number puzzles
Exercise : Number puzzles
256.
Answer
:
0
Explanation
:
Working through the diagram in rows, the right hand value equals the sum of any odd numbers in the rest of the row.
257.
Answer
:
3
Explanation
:
The sum of the numbers in each column of the diagram is always 21.
258.
Answer
:
7
Explanation
:
Add the number at each corner of the diagram to its 2 adjacent numbers. The total is always 15.
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