All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
Sweet Sixteen (Posted on 2005-06-12) Difficulty: 3 of 5
16 checkers are placed on an 8 by 8 checkerboard, no two checkers on the same square. Show that some four of the 16 checkers are on the vertices of a parallelogram with positive area.

See The Solution Submitted by McWorter    
Rating: 4.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: oopsMcWorter2005-07-31 22:37:28
oopsTan Kiat Chuan2005-07-31 19:17:36
re: I think this is a solution...McWorter2005-07-31 18:15:11
SolutionI think this is a solution...Tan Kiat Chuan2005-07-31 16:28:40
Some Thoughtsre: How about this?McWorter2005-07-24 22:43:02
Some ThoughtsHow about this?Liz2005-07-19 03:48:15
Solution idea, but not there yet.Larry2005-07-13 02:38:42
I'm not Jonathan Chang --- Really!McWorter2005-06-21 17:10:06
15-piece counter-exampleTristan2005-06-12 19:36:20
re: Direct me to a WebsiteMcWorter2005-06-12 18:48:20
QuestionDirect me to a WebsiteCharley2005-06-12 18:05:57
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information