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wu :: forums    riddles    medium (Moderators: Eigenray, Icarus, william wu, Grimbal, towr, ThudnBlunder, SMQ) Pages: 1 ... 25 26 27 28 29  ...  61 Start new topic    Subject Started by Replies Views Last post 271 Einmaliger 10 590 Apr 18th, 2007, 2:00am by Grimbal find the function almost dead 6 357 Apr 17th, 2007, 8:47pm by Icarus Moved: 100 Coins Riddle CMETAHA 0 349 Apr 17th, 2007, 2:24am by CMETAHA 613 Riddle nikkimarie613 11 741 Apr 10th, 2007, 8:53pm by nikkimarie613 Divisibility of a set of 2^m - 1 Aryabhatta 4 372 Apr 6th, 2007, 10:01am by Aryabhatta At least n+1 crossings, Australian Problem. Aryabhatta 2 378 Apr 4th, 2007, 1:43pm by Aryabhatta 2006 Zeroes of Factorial ThudnBlunder 4 415 Apr 2nd, 2007, 4:49pm by Eigenray A Seventh Power Divisibility Problem K Sengupta 5 697 Mar 25th, 2007, 4:03am by ThudnBlunder Dissecting Cyclic Quadrilaterals Aryabhatta 12 825 Mar 20th, 2007, 11:13am by Barukh Loaded pair of dice Aryabhatta 20 758 Mar 20th, 2007, 10:08am by Aryabhatta Game Of 100 Cups Padfoot 24 858 Mar 20th, 2007, 9:55am by Grimbal Dots ThudnBlunder 16 1467 Mar 17th, 2007, 12:55pm by Aryabhatta Identity Involving Fibonacci Number Barukh 7 649 Mar 16th, 2007, 12:24am by Aryabhatta Drunken Rave in a Hotel abc123 10 841 Mar 15th, 2007, 4:24pm by Aryabhatta Mastermind I Einmaliger 1 940 Mar 15th, 2007, 9:52am by Aryabhatta Double Deck Game Aryabhatta 7 674 Mar 14th, 2007, 9:24pm by Eigenray Problem involving Harmonic Sum from IMO 1978 Aryabhatta 5 546 Mar 11th, 2007, 2:11pm by towr mathematics Chekov 10 676 Mar 9th, 2007, 6:35pm by Chekov Conway Sequence - Audioactive Decay william wu 20 2862 Mar 6th, 2007, 10:21am by Chekov magic reversing digits Random Lack of Squiggily Lines 14 943 Mar 5th, 2007, 5:02pm by Random Lack of Squiggily Lines Duck In Pond twitceh 5 1204 Mar 1st, 2007, 12:51pm by jollytall Colour of the Lottery Ticket TenaliRaman 2 686 Feb 28th, 2007, 12:08am by TenaliRaman Turning coins Grisha_Perelman 24 840 Feb 26th, 2007, 2:35pm by Grimbal A circular arc defined by a tangent angle JohanC 4 587 Feb 25th, 2007, 7:43pm by Icarus An Astute Sequence Puzzle K Sengupta 2 516 Feb 24th, 2007, 8:32pm by Eigenray Fishy Couch_Potato 14 867 Feb 22nd, 2007, 5:36pm by JiNbOtAk Moved: insect+fram animal = capital cities? rosemary510 0 301 Feb 18th, 2007, 6:46pm by rosemary510 expression for an even number inexorable 1 308 Feb 16th, 2007, 5:41pm by Eigenray A Lion Hunt Puzzle K Sengupta 1 453 Feb 16th, 2007, 8:24am by ThudnBlunder An Ingenious LCM Puzzle K Sengupta 1 468 Feb 16th, 2007, 4:49am by ThudnBlunder Pages: 1 ... 25 26 27 28 29  ...  61 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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