Each square of a chessboard contains a number. The sum of the two largest numbers in each row is the same. The sum of the two largest numbers in each column is also the same. What is the maximum possible difference between the two sums?
Sunday, February 12, 2012
Please email your solutions to firstname.lastname@example.org.
This puzzle is taken from:
- Khovanova, Tanya. "Moscow Math Olympiad." Tanya Khovanova’s Math Blog. 2 June 2011. 12 Feb. 2012 <http://blog.tanyakhovanova.com/?p=338>.