Puzzles - Number puzzles
Exercise : Number puzzles
13.
Answer
:
3
Explanation
:
In each group of 3 numbers, the lower number equals the average of the top two numbers.
14.
Answer
:
1
Explanation
:
Reading each row as a 3 digit number, the rows follow the sequence of square numbers, from 17 to 19.
15.
Answer
:
8,1
Explanation
:
Reading each row as 3 separate 2-digit numbers, the central number equals the average of the left and right hand numbers.
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