Navigation Bar
Thursday, January 22, 2009
Mall management.
There is a bunch of security guards in the shopping store. How many guards are there if there is a guard in each of 4 corners, and every guard sees three guards in front of him. (adapted from B.Kordemsky)
1 comment:
Nicolas (from Paris, France) solved this first and will get a prize.
The answer:
There are only four guards, one in each corner.
Post a Comment
Note: Only a member of this blog may post a comment.