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

Home > Probability
3x3 Grid Near Magic (Posted on 2009-12-05) Difficulty: 2 of 5
N is a 3x3 square grid which is constituted by using each of the digits from 1 to 9 exactly once.

Determine the probability that the first digit minus the second digit plus the third digit in each row (reading left to right), each column (reading top to bottom), and each main diagonal (reading top to bottom) of N is the same.

No Solution Yet Submitted by K Sengupta    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some ThoughtsI stand on the shoulders of giantsSteve Herman2009-12-06 22:15:38
re: Analytical Solution (spoiler)brianjn2009-12-06 05:26:37
SolutionAnalytical Solution (spoiler)Steve Herman2009-12-06 03:41:42
A different computer listing.brianjn2009-12-05 19:31:33
SolutionDifferent program; same answerCharlie2009-12-05 14:34:04
computer solutionDaniel2009-12-05 13:12:45
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 (1)
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