Saturday, February 11, 2012

Puzzle of the Day: The Odd One Out.

Which one is out?

see discussion in Tanya's Math blog.

h/t Victor Agroskine

my solution is #2 (see the difference table below):

1 2 3 4 5
frame shape size size
2 frame
frame frame frame
3 shape frame
color shape shape size
4 color frame color shape
color size
5 size frame shape size color size

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