Puzzles - Number puzzles
Exercise : Number puzzles
100.
Answer
:
4
Explanation
:
In each row of the diagram, the sum of the left and right hand digits, minus the central digit is always 8.
101.
Answer
:
8
Explanation
:
Divide the circle, horizontally and vertically, to give 4 quarters. The sum of the numbers in the segments of each quarter equals 11.
102.
Answer
:
6
Explanation
:
Working through the diagram in rows, and reading each row as a whole number, the diagram represents a subtraction sum : 203 - 7 = 196
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