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(Moderators: ThudnBlunder, Eigenray, SMQ, Icarus, Grimbal, towr, william wu)
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  Subject Started by Replies Views Last post
Coin toss dice roll Mike_V 24 11895 Sep 14th, 2012, 12:48am
by marsh8472
How to cover a 23x23 matrix with 1x1, 2x2 and 3x3 jollytall 6 3154 Sep 13th, 2012, 10:33am
by towr
Planes of symmetry in triangular pyramid Altamira_64 6 5878 Sep 12th, 2012, 4:55pm
by peoplepower
Million Dollar Riddle alien2 21 6683 Sep 11th, 2012, 7:58am
by alien2
Odd prime not dividing a product Michael Dagg 8 4355 Sep 10th, 2012, 5:21pm
by peoplepower
zeroless number Christine 4 1702 Aug 20th, 2012, 5:18pm
by playful
Consider The Function, Get The Values K Sengupta 3 1514 Jul 29th, 2012, 10:06am
by peoplepower
Prisoners Challenge Once Again Barukh 7 1699 Jul 9th, 2007, 8:12am
by Barukh
Upper bound on a product having primitive root Michael Dagg 1 2624 Aug 13th, 2012, 5:10pm
by peoplepower
2005 Points, Even Triangles TenaliRaman 12 2081 Dec 3rd, 2006, 3:33pm
by ecoist
The greedy servant and the mangoes Naumz 1 1525 Jan 6th, 2007, 3:47am
by towr
A Digital Puzzle K Sengupta 1 1336 Mar 8th, 2007, 4:37pm
by Eigenray
Evaluate power of a matrix Aryabhatta 10 3309 Mar 18th, 2007, 10:28am
by ecoist
Contagion Grisha_Perelman 13 1584 Mar 5th, 2007, 5:55pm
by Eigenray
King to f1 (Chess) ThudnBlunder 16 1125 Mar 16th, 2007, 12:47pm
by N/A
An All Possible Value Puzzle K Sengupta 10 1755 Jun 26th, 2007, 1:49am
by K Sengupta
f(84) tony123 3 1041 Jun 27th, 2007, 11:45am
by SMQ
solve 4 tony123 1 1141 Jul 4th, 2007, 7:53am
by Sir Col
Number of (n choose r) prime to a prime p ecoist 2 1190 Feb 22nd, 2008, 9:19am
by Eigenray
n dots, m lines Noke Lieu 1 976 Sep 11th, 2008, 12:35am
by Grimbal
Cube Through Cube ThudnBlunder 8 2079 Sep 27th, 2008, 4:13am
by Grimbal
More Bridge ThudnBlunder 12 2701 Oct 12th, 2008, 8:39am
by ThudnBlunder
Political slugfest ecoist 8 5514 Nov 16th, 2008, 11:44am
by ecoist
Another integral ThudnBlunder 9 2285 Nov 17th, 2008, 2:05pm
by adnanmat
Find area of 22224444 octagon Aryabhatta 3 2462 Apr 2nd, 2009, 8:57am
by towr
Find Centre of Circle ThudnBlunder 3 1216 Apr 15th, 2009, 6:43am
by JiNbOtAk
Dumb CS Joke codecracker52 0 2183 Oct 30th, 2011, 8:00am
by codecracker52
Chess Puzzle ThudnBlunder 9 1158 Jan 12th, 2010, 2:09am
by ThudnBlunder
An Average Problem ThudnBlunder 6 1246 Mar 22nd, 2009, 9:12pm
by Immanuel_Bonfils
Deduce Their Numbers ThudnBlunder 11 1019 Jan 28th, 2010, 9:57am
by SMQ
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