Puzzles - Number puzzles
Exercise : Number puzzles
106.
Answer
:
16
Explanation
:
Working in columns, starting with the top number, add 4 to give the next value down, and add 5 to give the one under that.
107.
Answer
:
11
Explanation
:
In each star, add together the top 3 numbers, and subtract the lower 2 numbers, to give the value in the centre of each star.
108.
Answer
:
3
Explanation
:
In each row of the diagram, add the left and right hand digits together and add 2 to give the result in the centre.
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