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Showing below up to 127 results in range #1 to #127.
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- Palindromic odometer (18:23, 23 April 2010)
- Houses and utilities (12:55, 13 May 2010)
- Egg timers (11:06, 20 May 2010)
- Eight queens (21:00, 26 May 2010)
- Nine prisoners (13:23, 28 May 2010)
- Six towns (21:21, 31 May 2010)
- Lying to the young (12:59, 5 June 2010)
- Earings (19:07, 7 June 2010)
- Ten digit number (10:08, 8 June 2010)
- Divisible by nine digits (20:08, 13 July 2010)
- Jogging a hill (13:00, 19 August 2010)
- Three prisoners (08:03, 20 August 2010)
- Three guesses (12:22, 26 August 2010)
- Seven orbs (13:32, 11 October 2010)
- Friends at a party (06:46, 13 October 2010)
- True or false (18:57, 13 October 2010)
- Light bulb (19:49, 14 October 2010)
- Three couples (07:06, 21 October 2010)
- Fill in the blanks (08:03, 21 October 2010)
- Probably blackjack (02:09, 22 October 2010)
- Turn off a calculator (19:39, 6 November 2010)
- Friends or non-friends (18:44, 7 November 2010)
- Fifteen (13:10, 18 November 2010)
- Prom problem (18:13, 23 November 2010)
- Three logicians (18:14, 23 November 2010)
- Wrong address (18:14, 23 November 2010)
- Angels and demons (18:14, 23 November 2010)
- Bags of gems (18:15, 23 November 2010)
- Five towns (18:16, 23 November 2010)
- Splitting ten (18:19, 23 November 2010)
- Double Russian roulette (18:19, 23 November 2010)
- Frog staircase (18:19, 23 November 2010)
- Failed exams (06:45, 24 November 2010)
- Forty thieves (06:46, 24 November 2010)
- Times of day (06:50, 24 November 2010)
- Twelve weights (06:50, 24 November 2010)
- Two guards (06:50, 24 November 2010)
- Three digit magic (06:50, 24 November 2010)
- Blank dice (06:51, 24 November 2010)
- Two EGGs (06:51, 24 November 2010)
- Nine minute fuse (06:51, 24 November 2010)
- Red vs black (06:51, 24 November 2010)
- Poison (06:51, 24 November 2010)
- Farmer and the boat (06:51, 24 November 2010)
- Eight weights (06:51, 24 November 2010)
- Green eyed dragons (06:52, 24 November 2010)
- Five pirates (06:52, 24 November 2010)
- Commuter (06:52, 24 November 2010)
- Next number (06:52, 24 November 2010)
- Three princesses (06:52, 24 November 2010)
- Pizza split (00:51, 25 November 2010)
- Patriotic chameleons (09:40, 1 December 2010)
- Detective Merlin (12:09, 2 December 2010)
- Fruit boxes (13:45, 14 December 2010)
- Chests of logic (10:30, 29 January 2011)
- Monty Hall problem (09:36, 14 February 2011)
- Monk's walk (05:40, 5 May 2011)
- Hotel change (16:02, 20 July 2011)
- Five digits and one (16:09, 20 July 2011)
- Lying monkey (16:13, 20 July 2011)
- Sum of product and sum (17:24, 8 September 2011)
- Seven elevators (16:56, 11 January 2012)
- Celcius vs. Fahrenheit (11:36, 13 June 2012)
- Cryptarithmetic (09:40, 19 August 2012)
- Sum ratio (17:20, 25 November 2012)
- Die Hard III (14:07, 16 March 2013)
- High school play (14:17, 16 March 2013)
- Fat travelers (14:36, 16 March 2013)
- Gem thief (14:37, 16 March 2013)
- Cannibals and missionaries (14:44, 16 March 2013)
- Coin game (14:50, 16 March 2013)
- Chests of logic 4 (15:05, 16 March 2013)
- Let's make another deal (15:09, 16 March 2013)
- Tommy's snack (15:10, 16 March 2013)
- Quarter cover (13:01, 17 March 2013)
- Milk and coffee (19:22, 11 May 2013)
- Prisoners in red hats (19:27, 11 May 2013)
- Sharing water (16:17, 29 June 2013)
- Three sons (13:41, 30 June 2013)
- Ten bags of gold (13:45, 30 June 2013)
- Eight options with six sides (14:30, 30 June 2013)
- Multiple locks (22:28, 3 July 2013)
- Fair biased coin (14:28, 6 July 2013)
- Wrong clocks (14:41, 6 July 2013)
- Poppy party pizza (20:45, 6 July 2013)
- Nine weights (09:45, 7 July 2013)
- Six weights (09:47, 7 July 2013)
- Harry Potter and the hall of 100 doors (10:08, 7 July 2013)
- Checkerboard cut-up (07:50, 9 July 2013)
- Blind unshuffle (07:51, 9 July 2013)
- Streaky dice (16:10, 11 July 2013)
- Magic coin (10:32, 13 July 2013)
- Round trip winds (10:35, 13 July 2013)
- Lean meat (10:36, 13 July 2013)
- Fuses (10:51, 13 July 2013)
- Probably not transitive (19:59, 13 July 2013)
- Checkerboard and dominoes (17:08, 14 July 2013)
- Girl, boy and dog (19:08, 14 July 2013)
- Dice stack (19:09, 14 July 2013)
- Ten thieves (19:17, 14 July 2013)
- Chests of logic 3 (19:19, 14 July 2013)
- Longest road (19:29, 14 July 2013)
- Four travelers (19:30, 14 July 2013)
- GO ON BOB (19:34, 14 July 2013)
- Soda machine (13:50, 18 July 2013)
- Marble madness (13:54, 18 July 2013)
- Knight vs. dragon (19:19, 18 July 2013)
- Ants on a log (20:59, 8 November 2014)
- Five card draw (21:16, 9 November 2014)
- Penguin lineups (16:39, 10 November 2014)
- Domino circuit (16:46, 10 November 2014)
- Rabbit row (12:21, 16 November 2014)
- Too many trolls (10:20, 31 March 2015)
- Condominium (19:15, 4 April 2015)
- One-way roads (20:11, 24 July 2017)
- Wagon collision (20:19, 24 July 2017)
- Consecutive hot dogs (06:49, 25 July 2017)
- Sequence next in sequence (07:10, 25 July 2017)
- Next sequence (07:14, 25 July 2017)
- Next letter (07:16, 25 July 2017)
- Cents per cents (13:15, 1 October 2017)
- Ants on a cube (09:15, 26 October 2017)
- Who does which? (08:42, 23 January 2019)
- Ball drop (15:33, 3 September 2019)
- The weird meeting riddle (05:47, 30 September 2019)
- Around the world (15:40, 24 January 2021)
- Flying trains (08:53, 5 October 2023)