Cut a Cake
Logic
Level
3
What is the minimum number of slices needed to cut a cake into 14 pieces?
Note: The pieces do not need to be the same size.
7
5
6
4
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1 solution
First, you have to cut the cake into 7 parts with 3 slices and then cut it horizontally, which doubles the number of pieces.
So you only need 4 slices to cut the cake into 14 parts.