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Difficulty: 3 of 5Under Quadruple Agent (in Probability)
Posted on 2007-07-25 (11 Comments)
Some Thoughts Anything goes by e.g. (2007-07-26 08:22:23)
Difficulty: 3 of 5Under Greaterdoku (in General)
Posted on 2007-07-15 (12 Comments)
Some Thoughts re(3): Solution by e.g. (2007-07-15 15:40:04)
Hints/Tips All worked out! by e.g. (2007-07-15 15:38:29)
Some Thoughts re: Solution by e.g. (2007-07-15 15:26:58)
Difficulty: 2 of 5Under Who Stole Dr. Jones' Clock? (in Logic)
Posted on 2007-07-09 (13 Comments)
Solution Easy by e.g. (2007-07-09 20:59:00)
Difficulty: 1 of 5Under Know yourself (in Liars and Knights)
Posted on 2007-07-06 (12 Comments)
re: Solution by e.g. (2007-07-06 19:46:56)
Difficulty: 2 of 5Under Crossnumber (in Numbers)
Posted on 2007-07-01 (5 Comments)
Some Thoughts To get you started... by e.g. (2007-07-01 22:53:25)
Difficulty: 3 of 5Under Who Said What? (in Liars and Knights)
Posted on 2007-05-17 (7 Comments)
Solution Reasoned out by e.g. (2007-05-17 17:52:31)
Difficulty: 1 of 5Under A turtles' problem (in Tricks)
Posted on 2007-05-17 (16 Comments)
Road Sign by e.g. (2007-05-17 17:39:31)
Difficulty: 1 of 5Under Further Geometric Numbers (2) (in Numbers)
Posted on 2007-03-19 (4 Comments)
Solution Quick spoiler by e.g. (2007-03-19 08:43:47)
Difficulty: 1 of 5Under ELECTRICITY (in Tricks)
Posted on 2007-03-14 (6 Comments)
Solution Forgot something? by e.g. (2007-03-14 09:22:26)
Difficulty: 3 of 5Under Come Sail Away (in Science)
Posted on 2007-02-12 (9 Comments)
Some Thoughts Not worse by e.g. (2007-02-12 14:23:26)
Difficulty: 3 of 5Under Pushing numbers (in Logic)
Posted on 2007-02-12 (4 Comments)
Some Thoughts How many cases? by e.g. (2007-02-12 14:25:13)
Difficulty: 1 of 5Under For the forty-something-ers (in Riddles)
Posted on 2007-01-10 (4 Comments)
Solution A Marvel of an answer! by e.g. (2007-01-10 12:52:46)
Difficulty: 2 of 5Under A Ration Problem (in General)
Posted on 2006-12-20 (3 Comments)
Solution Solution by e.g. (2006-12-20 10:45:56)
Difficulty: 3 of 5Under Red herrings (in Cryptography)
Posted on 2006-12-19 (6 Comments)
Hints/Tips re(2): More than one meaning (no spoiler) by e.g. (2006-12-20 10:41:11)
Solution Why ask a question ... by e.g. (2006-12-20 10:40:00)
Difficulty: 3 of 5Under Colourful set (in Sequences)
Posted on 2006-12-06 (5 Comments)
Solution My solution by e.g. (2006-12-06 11:17:47)
Difficulty: 1 of 5Under Consecutive Odd and Prime (in Numbers)
Posted on 2006-11-08 (4 Comments)
Solution Trivial by e.g. (2006-11-08 19:08:10)
Difficulty: 4 of 5Under Some other kind of root extraction (in Calculus)
Posted on 2006-11-07 (9 Comments)
Some Thoughts A complex answer by e.g. (2006-11-08 19:10:57)
Difficulty: 3 of 5Under Harmonic mean (in Just Math)
Posted on 2006-10-25 (4 Comments)
Some Thoughts No need to think by e.g. (2006-10-25 12:25:37)
Difficulty: 3 of 5Under No rows (in Games)
Posted on 2006-10-24 (17 Comments)
Solution What about... by e.g. (2006-10-24 11:46:29)
Difficulty: 3 of 5Under Letter ratios (in Word Problems)
Posted on 2006-10-20 (6 Comments)
Some Thoughts A four-ratio word by e.g. (2006-10-20 08:37:16)
Difficulty: 2 of 5Under Shrink needed (in Algorithms)
Posted on 2006-10-18 (26 Comments)
Solution Impossibility #3 by e.g. (2006-10-20 08:23:45)
Solution Impossibility #2 by e.g. (2006-10-18 13:29:35)
Solution Impossibility? by e.g. (2006-10-18 09:03:16)
Difficulty: 3 of 5Under Sesquipedalian & Three-Quarter Ranch (in General)
Posted on 2006-10-15 (5 Comments)
Solution Solutions by e.g. (2006-10-15 17:08:51)
Difficulty: 2 of 5Under Parchment Puzzle (in Word Problems)
Posted on 2006-10-05 (7 Comments)
re: Solution (spoiler?) by e.g. (2006-10-05 10:55:36)
Difficulty: 2 of 5Under A Power Problem (in Calculus)
Posted on 2006-09-03 (3 Comments)
Solution Method by e.g. (2006-09-03 11:45:37)
Difficulty: 3 of 5Under As simple as it gets (in Liars and Knights)
Posted on 2006-09-02 (6 Comments)
Question re: Two ways by e.g. (2006-09-02 13:06:33)
Difficulty: 2 of 5Under Five Circle Division (in Geometry)
Posted on 2006-08-26 (15 Comments)
Solution Spoiler by e.g. (2006-08-26 10:52:10)
Difficulty: 4 of 5Under Summing or Multiplying (in Numbers)
Posted on 2006-08-21 (20 Comments)
Question An extra question by e.g. (2006-08-22 11:28:09)
Difficulty: 1 of 5Under Medieval King (in Riddles)
Posted on 2006-08-10 (13 Comments)
Hints/Tips Biiiiiiig hint by e.g. (2006-08-10 15:03:42)
Difficulty: 3 of 5Under A 2006 Problem (in Numbers)
Posted on 2006-07-27 (8 Comments)
Solution Howto by e.g. (2006-07-27 16:05:50)
Difficulty: 3 of 5Under Ambidextrous Cancellation Mission (in Just Math)
Posted on 2006-07-20 (20 Comments)
Another possibility? by e.g. (2006-07-20 18:53:49)
Difficulty: 3 of 5Under A Printing Machine Problem (in Probability)
Posted on 2006-07-19 (4 Comments)
Solution Spoiler by e.g. (2006-07-19 11:53:11)
Difficulty: 4 of 5Under Play fair in Europe! (in Cryptography)
Posted on 2006-06-29 (12 Comments)
Some Thoughts A possibility by e.g. (2006-06-29 13:56:49)
Difficulty: 3 of 5Under Cherry picking (in Probability)
Posted on 2006-06-17 (4 Comments)
Solution Answer by e.g. (2006-06-17 22:09:05)
Difficulty: 3 of 5Under An Octagonal Problem (in Just Math)
Posted on 2006-06-13 (2 Comments)
Some Thoughts For starters by e.g. (2006-06-13 09:56:52)
Difficulty: 3 of 5Under log the log (in Just Math)
Posted on 2006-06-11 (5 Comments)
Willing to bet by e.g. (2006-06-11 11:02:54)
Difficulty: 2 of 5Under 1 Palindrome 1 (in Just Math)
Posted on 2006-06-10 (8 Comments)
Hints/Tips Some numbers by e.g. (2006-06-10 16:24:54)
Difficulty: 3 of 5Under A dilution problem (in Just Math)
Posted on 2006-06-08 (6 Comments)
Solution Short by e.g. (2006-06-08 11:03:04)
Difficulty: 4 of 5Under A Perfect Square Problem (in Just Math)
Posted on 2006-06-03 (10 Comments)
re: computer solution--no proof (spoiler) by e.g. (2006-06-03 20:12:55)
Some Thoughts A part of the second half by e.g. (2006-06-03 10:29:53)
Solution Half an answer by e.g. (2006-06-03 10:22:46)
Difficulty: 3 of 5Under Polynomial # 1 (in Just Math)
Posted on 2006-05-26 (7 Comments)
Some Thoughts re(2): Solution (spoiler) by e.g. (2006-05-27 08:09:37)
Solution Solution (spoiler) by e.g. (2006-05-26 12:43:32)
Difficulty: 4 of 5Under An Inverse Evaluation (in Calculus)
Posted on 2006-05-25 (6 Comments)
Some Thoughts Maybe the way? by e.g. (2006-05-28 14:45:07)
Difficulty: 4 of 5Under The Paradox of Relativity (in Science)
Posted on 2006-05-24 (9 Comments)
Solution re: Some thoughts by e.g. (2006-05-24 17:41:12)
Difficulty: 2 of 5Under Either / Or (in Numbers)
Posted on 2006-05-13 (17 Comments)
Solution Logically by e.g. (2006-05-15 07:06:26)
Difficulty: 3 of 5Under Repeated Root Research (in Calculus)
Posted on 2006-05-08 (6 Comments)
re(2): A most general solution by e.g. (2006-05-09 08:18:31)
Solution A most general solution by e.g. (2006-05-08 15:39:57)
Difficulty: 3 of 5Under Look Ma, no integrals! (in Calculus)
Posted on 2006-05-02 (14 Comments)
Solution Worked it out by e.g. (2006-05-04 09:33:36)
Difficulty: 3 of 5Under A Composite Determination Problem (in Just Math)
Posted on 2006-04-23 (14 Comments)
Some Thoughts A first stab at the solution by e.g. (2006-04-23 12:10:50)
Difficulty: 1 of 5Under Super Pawn (in General)
Posted on 2006-04-07 (7 Comments)
Solution Quick way out (SPOILER) by e.g. (2006-04-07 08:24:14)
Difficulty: 2 of 5Under It's in the Cards (in General)
Posted on 2006-04-06 (6 Comments)
Some Thoughts An easier guess by e.g. (2006-04-06 10:33:42)
Difficulty: 4 of 5Under Wreck out! (in Algorithms)
Posted on 2006-04-03 (6 Comments)
Some Thoughts More thoughts by e.g. (2006-04-03 12:55:57)
Difficulty: 2 of 5Under The Dilemma of a Prisoner part 1 (in Tricks)
Posted on 2006-03-30 (16 Comments)
Hints/Tips Big hint by e.g. (2006-03-30 11:43:52)
Difficulty: 3 of 5Under Do not divide! (in Just Math)
Posted on 2006-03-18 (7 Comments)
Hints/Tips Possible "how to" by e.g. (2006-03-18 11:30:21)
Difficulty: 2 of 5Under Hymn Numbers (in Numbers)
Posted on 2005-12-07 (6 Comments)
Solution re(2): First try -- a trick by e.g. (2005-12-07 08:36:21)
Difficulty: 4 of 5Under Easily distinguished codes (in Numbers)
Posted on 2005-11-29 (11 Comments)
Hints/Tips Big, big hint by e.g. (2005-11-29 11:02:27)
Difficulty: 3 of 5Under Boneheaded Bookie (in Probability)
Posted on 2005-11-26 (8 Comments)
Solution Another way by e.g. (2005-11-27 22:00:56)
Difficulty: 4 of 5Under Another Man's Floor (in Algorithms)
Posted on 2005-11-23 (11 Comments)
Some Thoughts A simplification by e.g. (2005-11-23 13:14:53)
Difficulty: 2 of 5Under Two Magic Squares (in Numbers)
Posted on 2005-11-15 (8 Comments)
Some Thoughts "Howto" (possible spoiler) by e.g. (2005-11-15 11:47:34)
Difficulty: 2 of 5Under Once a liar, always a liar (in Logic)
Posted on 2005-11-02 (26 Comments)
Solution Sweet and short and no psychology here by e.g. (2005-11-02 10:46:14)
Difficulty: 2 of 5Under XOR (in Cryptography)
Posted on 2005-10-22 (27 Comments)
Some Thoughts Plenty of answers (?) by e.g. (2005-10-24 21:51:32)
Difficulty: 2 of 5Under Closest to pi (in Just Math)
Posted on 2005-09-25 (25 Comments)
Some Thoughts re: My DOUBLE mistake! by e.g. (2005-09-27 16:59:41)
Difficulty: 3 of 5Under Odd people (in Liars and Knights)
Posted on 2005-09-12 (13 Comments)
Some Thoughts re: Solution (Wrong) by e.g. (2005-09-28 18:42:29)
Difficulty: 2 of 5Under Reconstruct this chess game (in Games)
Posted on 2005-08-29 (8 Comments)
Solution My variant by e.g. (2005-08-29 12:02:16)
Difficulty: 3 of 5Under Just Jauntily Jousting (in Liars and Knights)
Posted on 2005-08-15 (8 Comments)
Some Thoughts re: We don't need no stinkin' computers-- FAULTY LOGIC by e.g. (2005-08-15 20:28:47)
Difficulty: 4 of 5Under Trigonometry nest (in Calculus)
Posted on 2005-08-12 (10 Comments)
Some Thoughts re: Thoughts - Yes, but... by e.g. (2005-08-12 20:29:38)
Difficulty: 3 of 5Under Tackle These Three Tests (in General)
Posted on 2005-08-07 (7 Comments)
Some Thoughts re(2): Solution assuming that Albert is Arthur's real name... by e.g. (2005-08-08 14:55:13)
Difficulty: 3 of 5Under Where is the White King? (in Games)
Posted on 2005-08-05 (21 Comments)
Some Thoughts re: solution ??? maybe by e.g. (2005-08-06 01:13:08)
Difficulty: 3 of 5Under Pair Playing Probability (in Probability)
Posted on 2005-08-02 (31 Comments)
Some Thoughts re(2): The full tournament by e.g. (2005-08-05 01:30:58)
Some Thoughts re: my answer by e.g. (2005-08-03 16:25:06)
Solution A special case by e.g. (2005-08-02 21:57:38)
Difficulty: 2 of 5Under Splitting words (in Word Problems)
Posted on 2005-07-21 (12 Comments)
Solution Nineteen!! by e.g. (2005-07-27 00:58:23)
Difficulty: 3 of 5Under Siblings Should Share Secret Safely (in General)
Posted on 2005-07-17 (18 Comments)
re(2): Easy solution for greedy children by e.g. (2005-07-18 03:35:22)
Solution Do it with keys by e.g. (2005-07-17 15:16:59)
Difficulty: 3 of 5Under Dishonest Strategy (in Probability)
Posted on 2005-07-16 (18 Comments)
Some Thoughts Just a guess by e.g. (2005-07-16 13:41:20)
Difficulty: 4 of 5Under Sophie Squares (in Numbers)
Posted on 2005-07-13 (9 Comments)
Some Thoughts True? by e.g. (2005-07-13 17:18:01)
Difficulty: 3 of 5Under 8 8s (in Numbers)
Posted on 2005-07-11 (24 Comments)
Solution Three ways by e.g. (2005-07-11 17:18:48)
Difficulty: 3 of 5Under From a Balloon (in Science)
Posted on 2005-07-07 (33 Comments)
Differing opinion by e.g. (2005-07-07 17:15:51)
Difficulty: 3 of 5Under Shining Segments Show Same Sum? (in General)
Posted on 2005-07-06 (7 Comments)
re: here's a stab by e.g. (2005-07-06 17:23:41)
Difficulty: 1 of 5Under Ask for help (in Liars and Knights)
Posted on 2005-07-05 (41 Comments)
Some Thoughts re(3): Solution - WRONG ANSWER, NEW PUZZLE by e.g. (2005-07-05 13:01:55)
Difficulty: 3 of 5Under Three of Hanoi (in Algorithms)
Posted on 2005-07-01 (3 Comments)
Solution One good solution, one so-so solution by e.g. (2005-07-02 14:03:33)
Difficulty: 3 of 5Under Special Similar Set (in Weights and Scales)
Posted on 2005-06-27 (11 Comments)
Some Thoughts Part 2 thoughts by e.g. (2005-06-27 19:17:41)
Solution Solution for part 1 by e.g. (2005-06-27 19:08:35)
Some Thoughts re: Part one solution -- Wrong by e.g. (2005-06-27 19:03:19)
Difficulty: 3 of 5Under L.A. to Hawaii (in Science)
Posted on 2005-06-17 (11 Comments)
Solution Answer by e.g. (2005-06-18 02:50:14)
Difficulty: 3 of 5Under Unusual binary representation (in Numbers)
Posted on 2005-06-14 (9 Comments)
Some Thoughts Answer by e.g. (2005-06-14 20:18:19)
Difficulty: 5 of 5Under Zimmerman's Family Points (in Shapes)
Posted on 2005-05-23 (10 Comments)
Some Thoughts Possible solution by e.g. (2005-05-23 20:34:54)
Difficulty: 2 of 5Under Silly System (in Numbers)
Posted on 2005-05-16 (6 Comments)
Solution By hand by e.g. (2005-05-16 14:34:29)
Difficulty: 1 of 5Under A Man Without Eyes (in Famous Riddles)
Posted on 2005-05-10 (24 Comments)
Solution Solution by e.g. (2005-05-10 13:40:12)
Difficulty: 3 of 5Under Unequally Unintegrally Yoked (in Calculus)
Posted on 2005-04-24 (8 Comments)
Some Thoughts re: Solution & Spoiler by e.g. (2005-04-26 16:15:57)
Solution Solution & Spoiler by e.g. (2005-04-24 16:41:23)
Difficulty: 3 of 5Under Dividing a donut (in Shapes)
Posted on 2005-04-23 (34 Comments)
Solution Ultra brief Solution by e.g. (2005-04-23 21:49:20)
Difficulty: 4 of 5Under Guess a number (in Algorithms)
Posted on 2005-04-14 (19 Comments)
My idea by e.g. (2005-04-14 20:55:30)
Difficulty: 3 of 5Under Passing Through (in Just Math)
Posted on 2005-04-06 (27 Comments)
Solution Solution by e.g. (2005-04-06 21:06:48)
Difficulty: 2 of 5Under In and Out The Box (in Shapes)
Posted on 2005-04-06 (10 Comments)
Solution Solution, and further question by e.g. (2005-04-06 17:51:48)
Difficulty: 3 of 5Under What's wrong with CDs? (in Calculus)
Posted on 2005-03-30 (10 Comments)
Solution Solution by e.g. (2005-03-30 14:43:32)
Difficulty: 3 of 5Under Equivalent Equator Empirical Experience! (in Science)
Posted on 2005-03-27 (12 Comments)
Solution Bolzano solution by e.g. (2005-03-28 00:27:13)
Difficulty: 3 of 5Under Fateful Fickle Fifteen (in Probability)
Posted on 2005-03-24 (8 Comments)
Some Thoughts Different numbers by e.g. (2005-03-28 00:33:51)
Difficulty: 2 of 5Under Four four-letter words! (in Word Problems)
Posted on 2005-02-27 (6 Comments)
Solution re: I don't think so :-) by e.g. (2005-02-27 15:40:09)
Difficulty: 3 of 5Under What is the next number? (in Numbers)
Posted on 2005-02-20 (12 Comments)
Solution Solution by e.g. (2005-02-21 14:10:34)
Difficulty: 1 of 5Under Events (in Sequences)
Posted on 2005-02-10 (4 Comments)
Solution Solution by e.g. (2005-02-10 14:32:15)
Difficulty: 3 of 5Under Who stole the candy bar? (in Liars and Knights)
Posted on 2005-02-03 (25 Comments)
Solution Solution by e.g. (2005-02-03 18:45:51)
Difficulty: 2 of 5Under Reverse and Differ (in Numbers)
Posted on 2005-02-01 (5 Comments)
Solution Solution by e.g. (2005-02-01 18:28:11)
Difficulty: 2 of 5Under Consecutive Primes (in Just Math)
Posted on 2005-01-24 (6 Comments)
Some Thoughts re: at least 3 - WRONG by e.g. (2005-01-24 16:16:49)
Difficulty: 1 of 5Under Half of Twelve is... Seven? (in Tricks)
Posted on 2005-01-11 (15 Comments)
Solution Solution by e.g. (2005-01-11 13:54:29)
Difficulty: 4 of 5Under Who will win? (in Games)
Posted on 2005-01-10 (9 Comments)
Some Thoughts re: Solution by e.g. (2005-01-10 18:07:22)
Difficulty: 4 of 5Under Remainder of One (in Just Math)
Posted on 2004-12-29 (13 Comments)
Solution Yet another Erdos theorem by e.g. (2004-12-30 13:36:32)
Difficulty: 1 of 5Under Mixing Digits (in Numbers)
Posted on 2004-12-29 (25 Comments)
Solution re(2): Solution by e.g. (2004-12-29 15:50:23)
Difficulty: 3 of 5Under Hark! Who's Traveling? (in Famous Riddles)
Posted on 2004-12-21 (20 Comments)
Solution Old fashioned solution by e.g. (2004-12-21 15:26:53)
Difficulty: 2 of 5Under Formal Reasoning (in Logic)
Posted on 2004-12-15 (60 Comments)
Solution Solution by counterexample by e.g. (2004-12-16 10:52:25)
Difficulty: 3 of 5Under Sequence of Squares 2 (in Sequences)
Posted on 2004-12-01 (3 Comments)
Solution Solution by e.g. (2004-12-01 17:19:53)
Difficulty: 4 of 5Under Fire Lovers Furniture Monthly (in Cryptography)
Posted on 2004-11-13 (6 Comments)
Some Thoughts Another wild guess by e.g. (2004-11-13 22:31:41)
Difficulty: 3 of 5Under Letters missing from letters. (in Sequences)
Posted on 2004-11-11 (7 Comments)
re(2): Biiiiig hint! by e.g. (2004-11-12 15:28:42)
Some Thoughts Biiiiig hint! by e.g. (2004-11-11 11:19:52)
Difficulty: 3 of 5Under Rameses' Pyramid (in General)
Posted on 2004-11-05 (15 Comments)
Some Thoughts First steps by e.g. (2004-11-05 08:59:17)
Difficulty: 3 of 5Under On Tour (in Cryptography)
Posted on 2004-11-03 (28 Comments)
Some Thoughts re: solution by e.g. (2004-11-11 13:18:12)
Difficulty: 2 of 5Under Curious Cubic Calculation? (in Numbers)
Posted on 2004-10-13 (14 Comments)
Solution Algebraically by e.g. (2004-10-13 16:24:58)
Some Thoughts re: Solution by e.g. (2004-10-13 12:59:16)
Difficulty: 1 of 5Under Black And Brown Gloves (in Probability)
Posted on 2004-10-06 (26 Comments)
Solution Worst case by e.g. (2004-10-06 13:56:31)
Difficulty: 3 of 5Under Tic-Tac-Toe Toss Tactics? (in Probability)
Posted on 2004-10-04 (10 Comments)
Some Thoughts re(5): Solution by e.g. (2004-10-05 21:22:41)
Difficulty: 3 of 5Under Is It Infinitely Increasing? (in Just Math)
Posted on 2004-09-30 (13 Comments)
Solution re(2): interesting by e.g. (2004-10-01 08:06:25)
Some Thoughts re: interesting by e.g. (2004-10-01 07:38:43)
Some Thoughts re: hi by e.g. (2004-09-30 14:55:10)
Difficulty: 3 of 5Under 72 degrees (in Weights and Scales)
Posted on 2004-09-29 (9 Comments)
Some Thoughts re: could it be...? by e.g. (2004-09-29 09:38:45)
Difficulty: 3 of 5Under 7/9 (in Numbers)
Posted on 2004-09-27 (7 Comments)
Solution Without a computer by e.g. (2004-09-27 14:47:09)
Difficulty: 4 of 5Under Get one half by squaring (in Just Math)
Posted on 2004-09-20 (31 Comments)
Some Thoughts Less than 9? by e.g. (2004-09-30 14:47:33)
re: 9 terms (or beating dead horse) by e.g. (2004-09-23 12:35:15)
Solution An eleven terms solution by e.g. (2004-09-21 19:39:13)
Some Thoughts re: Can it be done? by e.g. (2004-09-20 15:56:14)
Difficulty: 3 of 5Under Nine kids (in Numbers)
Posted on 2004-09-09 (22 Comments)
re: maybe by e.g. (2004-09-09 09:10:58)
re(2): Solution...With a twist of Syzygy by e.g. (2004-09-09 08:43:46)
Difficulty: 2 of 5Under Four-letter insert? (in Word Problems)
Posted on 2004-09-06 (10 Comments)
Solution Two more by e.g. (2004-09-06 09:06:11)
Difficulty: 3 of 5Under Cubeless? (in Just Math)
Posted on 2004-08-29 (7 Comments)
Solution Similar solution by e.g. (2004-08-30 08:35:32)
Difficulty: 3 of 5Under 8 = 4 + 4 (in Numbers)
Posted on 2004-08-26 (11 Comments)
Some Thoughts By hand by e.g. (2004-08-26 13:59:08)
Difficulty: 4 of 5Under Provably unprovable? (in Paradoxes)
Posted on 2004-08-22 (36 Comments)
Some Thoughts re(2): No Subject by e.g. (2004-08-27 20:56:01)
re: A better.... by e.g. (2004-08-22 13:32:29)
Difficulty: 4 of 5Under Points On A Circle (in Geometry)
Posted on 2004-08-14 (17 Comments)
re: No Subject by e.g. (2004-08-15 11:09:27)
Difficulty: 3 of 5Under No colors known? (in Games)
Posted on 2004-08-04 (16 Comments)
re: true answer by e.g. (2004-08-05 15:21:09)
re(2): Solutions by e.g. (2004-08-05 15:17:50)
Solution Solutions by e.g. (2004-08-04 14:31:12)
Difficulty: 3 of 5Under Maximum sum (in Probability)
Posted on 2004-07-29 (9 Comments)
Some Thoughts Three cases by e.g. (2004-07-29 11:17:52)
Difficulty: 3 of 5Under Special Number (in Numbers)
Posted on 2004-06-30 (9 Comments)
re: Solution times two by e.g. (2004-06-30 10:54:17)
Solution Solution by e.g. (2004-06-30 09:04:21)
Difficulty: 3 of 5Under Musical Munchies (in Sequences)
Posted on 2004-06-18 (15 Comments)
Some Thoughts Not a sequence of numbers by e.g. (2004-06-22 13:51:00)
Difficulty: 2 of 5Under Short equation (in Numbers)
Posted on 2004-06-17 (13 Comments)
Solution re: Solution -- disagree by e.g. (2004-06-17 08:32:07)
Solution re: Solution -- disagree by e.g. (2004-06-17 08:32:05)
Difficulty: 2 of 5Under The Tournament (in Games)
Posted on 2004-06-15 (12 Comments)
Solution Simple by e.g. (2004-06-15 07:59:06)
Difficulty: 2 of 5Under Handshakes (in Numbers)
Posted on 2004-06-14 (14 Comments)
Solution Solution by e.g. (2004-06-14 07:46:41)
Difficulty: 2 of 5Under 950 (in Tricks)
Posted on 2004-06-10 (18 Comments)
Solution A timely answer by e.g. (2004-06-10 13:51:27)
Difficulty: 3 of 5Under Problematic Pathways (in General)
Posted on 2004-06-08 (8 Comments)
Solution Solution by e.g. (2004-06-08 07:50:43)
Difficulty: 2 of 5Under It's all in the roots! (in Just Math)
Posted on 2004-06-04 (8 Comments)
Solution Long answer by e.g. (2004-06-04 12:50:10)
Difficulty: 3 of 5Under Yet one more coin sorting problem (in Weights and Scales)
Posted on 2004-05-31 (20 Comments)
Solution Full solution by e.g. (2004-05-31 15:31:28)
Difficulty: 2 of 5Under The Fur Dresser's Mistake (in Geometry)
Posted on 2004-05-28 (12 Comments)
Some Thoughts Half an answer by e.g. (2004-05-28 13:55:25)
Difficulty: 3 of 5Under Moving Day (in Calculus)
Posted on 2004-05-26 (31 Comments)
Some Thoughts re(2): Full Solution by e.g. (2004-05-27 10:02:20)
Some Thoughts re: stars on 45 by e.g. (2004-05-27 07:59:13)
Difficulty: 3 of 5Under Ten Words (in Word Problems)
Posted on 2004-05-26 (9 Comments)
Solution Solution by e.g. (2004-05-26 09:05:07)
Difficulty: 3 of 5Under Sum of Cubes (in Numbers)
Posted on 2004-05-25 (11 Comments)
Solution Solution by e.g. (2004-05-25 13:10:38)
Difficulty: 3 of 5Under Cabin Fever (in Tricks)
Posted on 2004-05-24 (8 Comments)
Solution Easy by e.g. (2004-05-24 08:04:52)
Difficulty: 2 of 5Under Symmetrical words (in Word Problems)
Posted on 2004-05-21 (17 Comments)
re: Words with symmetry ? by e.g. (2004-05-21 13:03:33)
Some Thoughts Three pairs by e.g. (2004-05-21 12:59:40)
Difficulty: 2 of 5Under Will the real engineer please stand up? (in Logic)
Posted on 2004-05-18 (46 Comments)
re(2): Solution by e.g. (2004-05-18 14:51:14)
Solution Solution by e.g. (2004-05-18 14:22:29)
Difficulty: 3 of 5Under Powers of powers (in Calculus)
Posted on 2004-05-11 (11 Comments)
Some Thoughts re: Power Tower by e.g. (2004-05-12 10:54:28)
Difficulty: 1 of 5Under What am I? (in Riddles)
Posted on 2004-05-10 (51 Comments)
Solution Answer by e.g. (2004-05-10 09:59:13)
Difficulty: 3 of 5Under A dozen Knights (in Shapes)
Posted on 2004-05-05 (5 Comments)
Solution Asymmetrical solution by e.g. (2004-05-07 11:50:25)
Difficulty: 3 of 5Under Strange pyramid (in Geometry)
Posted on 2004-05-03 (10 Comments)
Solution Solution by e.g. (2004-05-04 11:09:48)
Some Thoughts A small part by e.g. (2004-05-03 14:09:55)
Difficulty: 3 of 5Under Never prime! (in Numbers)
Posted on 2004-04-29 (10 Comments)
Some Thoughts A simple solution for the 2nd part by e.g. (2004-04-29 14:58:54)
Some Thoughts First approach by e.g. (2004-04-29 08:25:59)
Difficulty: 3 of 5Under Pythagorean Pyramid (in Geometry)
Posted on 2004-04-26 (15 Comments)
Solution Solution by rotation by e.g. (2004-04-26 15:42:41)
Solution Working with spheres by e.g. (2004-04-26 12:25:38)
Some Thoughts Strange... by e.g. (2004-04-26 09:25:34)
Difficulty: 2 of 5Under Liar, Liar, Pants on Fire. (in Liars and Knights)
Posted on 2004-04-21 (11 Comments)
Solution Other way of looking at it by e.g. (2004-04-21 10:10:54)
Difficulty: 2 of 5Under Pill Puzzler (in Logic)
Posted on 2004-04-20 (27 Comments)
Solution Mix it up! by e.g. (2004-04-20 10:45:59)
Difficulty: 2 of 5Under The Central Cell (in Games)
Posted on 2004-04-16 (11 Comments)
Some Thoughts re: Solution to part 1 by e.g. (2004-04-16 17:12:32)
Solution First part by e.g. (2004-04-16 12:28:11)
Difficulty: 2 of 5Under What are you doing and where are you from? (in Word Problems)
Posted on 2004-04-14 (40 Comments)
re: I dane to offer two more.... by e.g. (2004-04-14 14:51:46)
Difficulty: 5 of 5Under e7(20) n2(17) (in Cryptography)
Posted on 2004-04-13 (31 Comments)
Some Thoughts S7Y R8O O8N R8O E5M by e.g. (2004-04-16 13:00:08)
Difficulty: 5 of 5Under Knight's Tour (3 & 4) (in Algorithms)
Posted on 2004-04-12 (9 Comments)
re: I'll have the answer in about an hour or so.... by e.g. (2004-04-13 07:51:42)
Difficulty: 2 of 5Under Ahnentafel Questions (I) (in General)
Posted on 2004-04-11 (15 Comments)
re(4): Thanks heaps! by e.g. (2004-04-14 08:14:26)
Difficulty: 2 of 5Under A long camping trip (in General)
Posted on 2004-04-06 (11 Comments)
Solution Solution by e.g. (2004-04-06 10:08:41)
Difficulty: 2 of 5Under What are you saying? (in Cryptography)
Posted on 2004-04-05 (15 Comments)
Solution A backward solution by e.g. (2004-04-12 15:38:59)
Difficulty: 3 of 5Under Disjointification (in Just Math)
Posted on 2004-04-04 (12 Comments)
Some Thoughts Impossible cases by e.g. (2004-04-05 10:35:35)
Difficulty: 3 of 5Under Who Stole the Tarts? (in Logic)
Posted on 2004-04-02 (17 Comments)
Solution No Subject by e.g. (2004-04-02 17:02:12)
Difficulty: 2 of 5Under Where are you going for your holiday? (in Word Problems)
Posted on 2004-04-02 (32 Comments)
Solution Answer by e.g. (2004-04-02 11:47:42)
Difficulty: 3 of 5Under At the World Series (in Probability)
Posted on 2004-04-01 (7 Comments)
Solution Solution by e.g. (2004-04-01 09:55:32)
Difficulty: 3 of 5Under new operations (in Just Math)
Posted on 2004-03-31 (14 Comments)
Very poor by e.g. (2004-03-31 13:57:37)
Difficulty: 3 of 5Under Safety from the Queen II (in General)
Posted on 2004-03-30 (5 Comments)
Solution Solution by e.g. (2004-03-30 14:20:21)
Difficulty: 2 of 5Under Club password (in General)
Posted on 2004-03-29 (9 Comments)
Solution Password by e.g. (2004-03-29 09:28:47)
Difficulty: 2 of 5Under Disappearance (not the answer) (in Riddles)
Posted on 2004-03-27 (25 Comments)
Some Thoughts Disappeared? by e.g. (2004-03-27 12:55:38)
Difficulty: 2 of 5Under Rickety Bridge (in Liars and Knights)
Posted on 2004-03-26 (33 Comments)
Solution Double solution by e.g. (2004-03-26 11:14:32)
Difficulty: 2 of 5Under 3-d grid hunting (in Shapes)
Posted on 2004-03-25 (7 Comments)
Solution Solution by e.g. (2004-03-25 14:56:25)
Difficulty: 3 of 5Under A dangerous compound (in Science)
Posted on 2004-03-22 (43 Comments)
Solution No doubt about it by e.g. (2004-03-22 08:47:27)
Difficulty: 3 of 5Under Middle order (in Cryptography)
Posted on 2004-03-21 (11 Comments)
Solution Solution by e.g. (2004-03-21 08:21:01)
Difficulty: 2 of 5Under Words in Common 11 (in Word Problems)
Posted on 2004-03-19 (17 Comments)
Solution Possibility by e.g. (2004-03-19 09:06:01)
Difficulty: 3 of 5Under A point in a square (in Geometry)
Posted on 2004-03-17 (7 Comments)
Solution Half a solution by e.g. (2004-03-17 14:54:52)
Difficulty: 1 of 5Under The magic Number (in Numbers)
Posted on 2004-03-17 (35 Comments)
re: Best and final by e.g. (2004-03-17 08:42:39)
Difficulty: 1 of 5Under Agent Argent and the Evil Dr. Levik (in Sequences)
Posted on 2004-03-16 (10 Comments)
Solution Solution by e.g. (2004-03-16 09:08:15)
Difficulty: 3 of 5Under Diagonal triangle sums (in Just Math)
Posted on 2004-03-15 (4 Comments)
Some Thoughts re: solution by e.g. (2004-03-15 14:22:39)
Difficulty: 2 of 5Under Insert word here (in Word Problems)
Posted on 2004-03-15 (6 Comments)
Solution Solution by e.g. (2004-03-15 08:58:57)
Difficulty: 3 of 5Under Spirit of '76 (in Just Math)
Posted on 2004-03-14 (8 Comments)
Some Thoughts Look, Ma, no multiplying! by e.g. (2004-03-14 20:33:49)
Difficulty: 3 of 5Under Cheap Charlie (in General)
Posted on 2004-03-12 (17 Comments)
Solution Solution by e.g. (2004-03-12 12:13:56)
Difficulty: 2 of 5Under A to B (in Just Math)
Posted on 2004-03-10 (15 Comments)
Hints/Tips An explanation by e.g. (2004-03-10 08:46:24)
Solution Solution by e.g. (2004-03-10 08:41:47)
Difficulty: 3 of 5Under The Sliding Rooks (in Games)
Posted on 2004-03-08 (17 Comments)
Almost there by e.g. (2004-03-08 13:56:17)
Difficulty: 3 of 5Under Murder by Logic (in Logic)
Posted on 2004-03-05 (23 Comments)
Some Thoughts re: solution by e.g. (2004-03-09 14:48:09)
Solution Solution by e.g. (2004-03-08 14:00:00)
Difficulty: 3 of 5Under Unequally Yoked (in Numbers)
Posted on 2004-02-26 (12 Comments)
Solution Solution by e.g. (2004-02-26 10:40:21)
Difficulty: 3 of 5Under Lead Floats (in Science)
Posted on 2004-02-25 (33 Comments)
Some Thoughts Other possibilities by e.g. (2004-02-25 10:38:49)
Difficulty: 3 of 5Under The Pregnant Secretary (in Algorithms)
Posted on 2004-02-21 (27 Comments)
Solution A possibility by e.g. (2004-02-23 14:49:09)
Difficulty: 4 of 5Under Trapped! (in Geometry)
Posted on 2004-02-19 (9 Comments)
Some Thoughts 'Within' includes 'on'? by e.g. (2004-02-19 14:31:20)
Difficulty: 4 of 5Under Binary Primes (in Numbers)
Posted on 2004-02-18 (12 Comments)
Solution No Subject by e.g. (2004-02-18 15:25:11)
Difficulty: 4 of 5Under West Side Story (in Numbers)
Posted on 2004-02-15 (7 Comments)
Solution Initial numbers by e.g. (2004-02-16 08:07:16)
Difficulty: 2 of 5Under The three squirrels (in Numbers)
Posted on 2004-02-12 (12 Comments)
Some Thoughts re(2): Acorns ... because by e.g. (2004-02-12 10:35:14)
Solution Acorns by e.g. (2004-02-12 10:00:17)
Difficulty: 4 of 5Under Cubic AND Quartic Challenge (in Numbers)
Posted on 2004-02-06 (15 Comments)
Hints/Tips re(2): LOL by e.g. (2004-02-06 11:56:39)
Solution Old problem by e.g. (2004-02-06 08:51:39)
Difficulty: 2 of 5Under The Prime Club (in Liars and Knights)
Posted on 2004-02-03 (10 Comments)
Solution Solution by e.g. (2004-02-03 11:48:56)
Difficulty: 4 of 5Under It's unsolvable! (in Liars and Knights)
Posted on 2004-02-02 (23 Comments)
Solution No Subject by e.g. (2004-02-02 08:36:56)
Difficulty: 3 of 5Under Thirty two barbarians (in General)
Posted on 2004-01-28 (34 Comments)
Some Thoughts Upper bound by e.g. (2004-01-28 14:45:22)
Difficulty: 3 of 5Under Sum Of The Digits (in Numbers)
Posted on 2004-01-27 (13 Comments)
Solution re(2): super easy by e.g. (2004-01-27 09:11:38)
Difficulty: 3 of 5Under Last Digit (in Just Math)
Posted on 2004-01-23 (19 Comments)
Some Thoughts re: last digit by e.g. (2004-01-27 09:16:50)
Difficulty: 5 of 5Under Fill the Grid (in Numbers)
Posted on 2004-01-21 (28 Comments)
Some Thoughts Hopeless... by e.g. (2004-01-22 11:52:27)
Difficulty: 3 of 5Under Extraterrestrial primes (in Numbers)
Posted on 2004-01-19 (7 Comments)
Solution Short by e.g. (2004-01-19 14:08:53)
Difficulty: 2 of 5Under More Triangle Numbers (in Numbers)
Posted on 2004-01-15 (8 Comments)
Solution Geometrically by e.g. (2004-01-15 10:13:08)
Difficulty: 2 of 5Under Circle Square (in Geometry)
Posted on 2004-01-13 (15 Comments)
Solution Tessellation by e.g. (2004-01-13 08:48:01)
Difficulty: 3 of 5Under Buying Chestnuts (in Tricks)
Posted on 2004-01-05 (19 Comments)
Solution Possibility by e.g. (2004-01-07 13:58:42)
Difficulty: 3 of 5Under Different Digits (in Numbers)
Posted on 2003-12-28 (14 Comments)
re(5): Solution by e.g. (2003-12-28 20:05:57)
re(2): Solution by e.g. (2003-12-28 13:12:36)
Solution Solution by e.g. (2003-12-28 09:34:17)
Difficulty: 3 of 5Under Lost my pointer 2 (in Algorithms)
Posted on 2003-12-18 (22 Comments)
Solution Racing around by e.g. (2003-12-18 15:04:44)
Difficulty: 4 of 5Under Three threes, or two twos? (in Just Math)
Posted on 2003-12-09 (3 Comments)
Solution Look Ma, no numbers! by e.g. (2003-12-12 12:52:01)
Difficulty: 2 of 5Under Squares and Cubes (in Numbers)
Posted on 2003-12-06 (21 Comments)
re: Different? by e.g. (2003-12-06 12:31:42)
Solution Easy! by e.g. (2003-12-06 11:00:14)
Difficulty: 1 of 5Under What's for sale? (in Logic)
Posted on 2003-11-30 (43 Comments)
Solution Quotes needed by e.g. (2003-12-09 15:10:08)
Difficulty: 3 of 5Under Cut chessboard (in Shapes)
Posted on 2003-09-26 (6 Comments)
Some Thoughts re: the Solution by e.g. (2004-04-28 08:04:48)
Difficulty: 4 of 5Under Zero to 150 in 2003 (in Numbers)
Posted on 2002-11-29 (65 Comments)
Solution re: Easy solution by e.g. (2004-01-28 15:09:09)
Difficulty: 3 of 5Under Oh my, Protagoras (in Paradoxes)
Posted on 2002-10-19 (35 Comments)
Solution No paradox at all by e.g. (2005-05-08 14:04:10)
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