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Square Deal (Posted on 2003-06-30) Difficulty: 4 of 5
Imagine a 24-by-24 chessboard. Now suppose you started counting all of the "sub-squares" on that board, squares of lengths 1 through 24 found by tracing the sides of the squares of the big board. To remind you how many sub-squares you've counted, you make a pile of little squares of all equal size (which you just happen to have lying around), one little square for each sub-square.

It turns out that these little squares can be put together, edge to edge, to form an even bigger chessboard.

What is the length of each side of the giant chessboard?

See The Solution Submitted by DJ    
Rating: 3.8182 (11 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts Unique chessboard | Comment 7 of 9 |
Interestingly, 24 is the only non-trivial side length for which this chessboard feat is possible.
  Posted by Nick Hobson on 2004-08-26 16:32:03
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