Puzzles - Number puzzles
Exercise : Number puzzles
271.

Answer
:
5
Explanation
:
In each column of the diagram, the central value equals the average of the upper and lower numbers.
272.

Answer
:
14
Explanation
:
In each star, the central value equals the sum of the top and lower two numbers, minus the left and right hand numbers.
273.

Answer
:
1
Explanation
:
Read each row of 3 numbers as a 3 digit number, and add the top row value to the middle row, to give the result written in the bottom row.
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