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wu :: forums    riddles    hard (Moderators: Icarus, Grimbal, william wu, Eigenray, ThudnBlunder, towr, SMQ) Pages: 1 ... 8 9 10 11 12  ...  27 Start new topic    Subject Started by Replies Views Last post palindrome dates mikedagr8 5 4189 Nov 19th, 2007, 12:18pm by Joe Fendel Re: Numbers in Tables (Reward US $ 70) wustvn 20 1606 Nov 18th, 2007, 12:37am by wustvn Need help with these riddles ASAP javel1n 5 2629 Nov 14th, 2007, 6:23am by towr Criminal Cupbearers Variant ChunkTug 22 4577 Nov 13th, 2007, 12:49am by Hippo Need Serious Riddle Help mikemash444 1 2092 Nov 1st, 2007, 2:55am by towr Boys and Girls Math Contest william wu 12 8489 Oct 30th, 2007, 8:46am by Joe Fendel Re: Numbers in Tables : Part 2 wustvn 1 5693 Oct 29th, 2007, 1:58am by towr HARD: Cigarettes Max Clique « Pages 1 2 » william wu 29 42557 Aug 9th, 2004, 9:43pm by Jack Huizenga Small heart slam (bridge puzzle) « Pages 1 2 » Aryabhatta 38 6193 Oct 8th, 2007, 4:05pm by Aryabhatta find the function « Pages 1 2 3 » inexorable 68 4763 Oct 5th, 2007, 8:22am by RandomSam Consonyms Barukh 15 1839 Oct 3rd, 2007, 8:09pm by Obob try to solve this riddle srn437 10 3466 Sep 28th, 2007, 11:27pm by Obob WHICH IS LARGER? pcbouhid 21 1469 Sep 27th, 2007, 9:38pm by Obob Pandigital expressions « Pages 1 2 » Leo Broukhis 31 2410 Sep 27th, 2007, 2:24pm by Hippo $1,000,000 box « Pages 1 2 » mingus33 30 13849 Sep 20th, 2007, 4:35pm by srn437 THE COEFFICIENT OF x^2 pcbouhid 6 1235 Sep 17th, 2007, 8:49pm by srn437 12 balls mikedagr8 6 3733 Sep 17th, 2007, 8:18pm by ehsanafshar2000 A Game of Two casual_kumar 17 2213 Sep 15th, 2007, 3:46pm by srn437 solve perash 12 1868 Sep 13th, 2007, 11:36pm by towr three way pistol duel mikedagr8 21 5821 Sep 11th, 2007, 11:44pm by towr One more spin? JocK 10 1847 Sep 8th, 2007, 9:48am by Hippo 10 bananas for 3 gorillas JocK 12 1636 Sep 1st, 2007, 10:54pm by srn437 THE LAST 1000 DIGITS pcbouhid 4 885 Sep 1st, 2007, 3:53pm by srn437 About SIN and COS pcbouhid 3 709 Sep 1st, 2007, 3:47pm by srn437 Proof that 1>1 Miguel Z 7 1775 Sep 1st, 2007, 2:57pm by srn437 find the exit almost dead 17 2880 Aug 29th, 2007, 7:43pm by Sameer DUCK IN THE POND pa0pa0 11 1558 Aug 29th, 2007, 5:26pm by mikedagr8 Moved: Smallest postive number Cool_Joh 0 1077 Aug 29th, 2007, 5:39pm by mikedagr8 Hard: 24 « Pages 1 2 » ootte 31 4375 Aug 29th, 2007, 4:46pm by srn437 7 Boolean Questions continuum 2 2702 Sep 20th, 2002, 11:40am by Jonathan_the_Red Pages: 1 ... 8 9 10 11 12  ...  27 Start new topic  Normal Topic Hot Topic (More than 15 Replies) Very Hot Topic (More than 25 Replies) Locked Topic Sticky Topic Sticky Locked Topic Forum Jump: ----------------------------- riddles -----------------------------  - easy   - medium => hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese

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