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wu :: forums    riddles    hard (Moderators: Icarus, SMQ, Eigenray, william wu, ThudnBlunder, Grimbal, towr) Pages: 1 ... 19 20 21 22 23  ...  27 Start new topic    Subject Started by Replies Views Last post duck in the pond part deux pjay 15 1915 Sep 2nd, 2004, 4:29am by Patashu Trianglia Nicodemus 12 2816 Aug 31st, 2004, 8:08am by tinker confusing riddle Stacy Bloomfield 0 3673 Aug 30th, 2004, 3:21pm by Stacy Bloomfield Hotel Key Card pedronunezmd 21 5461 Aug 21st, 2004, 3:34pm by grimbal MONOTONIC SUBSEQUENCE jonderry 0 1148 Aug 18th, 2004, 1:25pm by jonderry Manhole: Shape matters ERIC H. ZENGULUS 15 4335 Aug 13th, 2004, 1:22pm by Nigel_Parsons 100 tails NickH 7 2105 Aug 9th, 2004, 10:17pm by admin The ASYLUM « Pages 1 2 » mattian 42 3739 Aug 6th, 2004, 5:40pm by mattian Help needed with a sequence gkeech 9 747 Aug 5th, 2004, 12:49pm by Icarus who is most possible to survive iloveriddle 7 2509 Aug 1st, 2004, 6:47pm by BEANCOUNTER Birthday twins « Pages 1 2 » johnP 36 5177 Jul 31st, 2004, 1:19pm by grimbal reversing a needle in a plane JocK 15 1677 Jul 23rd, 2004, 2:27pm by Eigenray Points in the Plane Barukh 14 1371 Jul 22nd, 2004, 5:48pm by Aryabhatta 24 - III icon 5 1948 Jul 22nd, 2004, 3:11pm by Nigel_Parsons Camel Banana Transport tyler 12 7256 Jul 21st, 2004, 4:38pm by Guest152 The mouse in the cheese cube Bitrot 0 1679 Jul 20th, 2004, 8:39pm by Bitrot Gods of Gibberland renegade_00 4 1057 Jul 20th, 2004, 5:54am by BNC lover random rendezvous ERIC H. ZENGULUS 3 782 Jun 28th, 2004, 10:15am by THUDandBLUNDER Color Balls in a bag ERIC H. ZENGULUS 3 697 Jun 28th, 2004, 12:08am by Barukh Lowest Unattainable Number in Scrabble(tm) ASB 14 1446 Jun 27th, 2004, 6:09pm by Nigel_Parsons Blindfolded rabbit catch the turtle ERIC H. ZENGULUS 21 1378 Jun 27th, 2004, 10:04am by eric_zen Careful Line Construction Barukh 23 3274 Jun 9th, 2004, 3:29am by rmsgrey Pi from digits 1 through 9 « Pages 1 2 » SWF 26 2619 Jun 4th, 2004, 8:32am by grimbal HARD LETTER SEQUENCE Michael Collins 8 717 May 24th, 2004, 9:28pm by BNC Letter combinations sequence Michael Collins 0 522 May 22nd, 2004, 4:04am by Michael Collins Elevator Algorithm Mike_V 3 1306 May 20th, 2004, 4:15am by rmsgrey Determine the missing number gong 12 5886 May 19th, 2004, 7:06pm by leob Expected Distance ThudnBlunder 9 1124 May 5th, 2004, 7:41pm by SWF Hack Attack Sir Col 17 1241 Apr 30th, 2004, 4:08pm by Source Mutually Touching Objects Barukh 16 862 Apr 29th, 2004, 8:48am by grimbal Pages: 1 ... 19 20 21 22 23  ...  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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