Puzzles - Number puzzles
Exercise : Number puzzles
85.
Answer
:
9
Explanation
:
Working clockwise around the 3 triangles, the sum of the outer digits in each triangle is written in the centre of the triangle one place clockwise.
86.
Answer
:
72
Explanation
:
Numbers follow the sequence of Square Numbers, from 1 to 6, multiplying each one by 2.
87.
Answer
:
68
Explanation
:
As you move down, multiply each number by 2 and subtract 4.
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