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(Moderators: SMQ, towr, ThudnBlunder, william wu, Eigenray, Icarus, Grimbal)
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  Subject Started by Replies Views Last post
The Lion and the Lion Tamer Eric Yeh 21 12096 Oct 22nd, 2013, 12:04pm
by Grimbal
Statistics Benny 22 5777 Nov 3rd, 2008, 2:04am
by towr
HARD: Hamming Distance Questions
« Pages 1 2 »
-D- 48 29859 Oct 20th, 2013, 12:58am
by Grimbal
Bachelor's Dilemma
« Pages 1 2 »
tim 30 13548 Oct 16th, 2013, 5:29am
by titan
Particle Time tim 13 4578 Oct 15th, 2013, 9:16pm
by titan
A simple game Jonathan_the_Red 13 7185 Oct 15th, 2013, 2:48pm
by titan
CALENDAR CUBES II Hobbes 21 7315 Oct 15th, 2013, 1:45am
by Grimbal
Upside Down LCD display waka 13 4897 Oct 11th, 2013, 12:47pm
by Grimbal
Alien Experiment Enigami 3 4179 Aug 21st, 2013, 1:42am
by nakli
two pythagorean triples Christine 5 2634 Jul 24th, 2013, 4:23am
by JohanC
Monotone Paths in Graphs william wu 10 8379 Feb 5th, 2013, 4:34am
by rmsgrey
integration MonicaMath 16 7768 Jun 6th, 2010, 4:40pm
by SWF
generalize the prisoners' problem pandasbox 3 2293 Jul 5th, 2013, 5:41am
by rmsgrey
Ping Pong tournament Altamira_64 4 7396 Sep 16th, 2012, 6:09am
by pex
Logicians and stamps Altamira_64 9 5821 Jun 20th, 2013, 9:46am
by Grimbal
A conjecture about Mersenne primes and non-primes Mickey1 1 3195 May 29th, 2013, 1:32pm
by Mickey1
Another variation to the sum / product riddle Altamira_64 1 3925 Feb 2nd, 2013, 6:32am
by SMQ
Albert Einstein Riddle tsitut 1 4307 Feb 21st, 2013, 4:55am
by rmsgrey
Heet seeking missiles jollytall 11 9677 Jun 21st, 2008, 4:15am
by NightBreeze
Chess Game Reconstruction FiBsTeR 20 7524 Jan 25th, 2013, 1:52am
by snozwuncle
Guessing Cards Suit
« Pages 1 2 »
Barukh 39 9646 Jan 10th, 2013, 11:52am
by jollytall
Highway (to) 61 revisited Mickey1 15 6101 Jan 9th, 2013, 7:10pm
by Mickey1
Moved: NBA teams Altamira_64 0 3698 Nov 9th, 2012, 7:11am
by pex
Moved: Combinatorics puzzle zbudde 0 3495 Oct 29th, 2012, 11:44pm
by towr
Locker Room Dilemma inexorable 18 6504 Oct 15th, 2012, 5:03am
by rmsgrey
Holidays in Bahamas Altamira_64 4 4504 Oct 12th, 2012, 7:56am
by Altamira_64
How many queens?
« Pages 1 2 »
Icarus 26 11312 Oct 6th, 2012, 5:09am
by peoplepower
partial algorithm to dropping eggs summersolstice 0 4477 Oct 5th, 2012, 1:12pm
by summersolstice
Pop Quiz Riddle
« Pages 1 2 3 4 5 6 7 8 9 10 »
Jackass 242 64649 Apr 28th, 2012, 1:30pm
by Bobzor
Fractal Gemotry simsimthedim 3 8166 Aug 28th, 2012, 5:48am
by rmsgrey
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