Puzzles - Number puzzles
Exercise : Number puzzles
274.
Answer
:
21
Explanation
:
In each row, add the left and central numbers together, double it and add 1 to give the right hand value.
275.
Answer
:
73, 48
Explanation
:
Starting at the top, add the left and right hand numbers together and subtract 5 to give the lower left number. Add 2 to the left hand number to give the lower right hand number.
276.
Answer
:
80
Explanation
:
In each triangle, the central value equals the product of the 3 outer numbers subtracting the sum of the 3 outer numbers.
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