Under Elementary nationality (in Tricks) Posted on 2020-07-22 (2 Comments) |

| re: A Possible solution by Math Man (2020-08-02 06:55:18) |

Under Two Sums of Two Squares (in Numbers) Posted on 2020-07-17 (4 Comments) |

| Answer by Math Man (2020-07-20 20:06:46) |

Under The odd one out. (in Logic) Posted on 2020-06-22 (5 Comments) |

| The real odd one out by Math Man (2020-06-22 15:56:03) |

Under Find Five (in Word Problems) Posted on 2020-06-17 (6 Comments) |

| Another (3, 5, 7) by Math Man (2020-07-05 20:20:39) |

Under Deja vu (in Sequences) Posted on 2020-05-25 (2 Comments) |

| Solution by Math Man (2020-05-28 16:32:49) |

Under Letters in a letter (in Word Problems) Posted on 2020-04-20 (2 Comments) |

| Will Shortz by Math Man (2020-05-03 21:20:40) |

Under PYHIYP #6 (in Logic) Posted on 2020-04-17 (4 Comments) |

| Answer by Math Man (2020-04-18 12:57:06) |

Under 3-Digit Sequence in a Grid (in Sequences) Posted on 2020-04-06 (3 Comments) |

| Answer by Math Man (2020-04-06 13:16:36) |

Under Division by e (in Just Math) Posted on 2020-03-25 (8 Comments) |

| re: Guess not proof by Math Man (2020-03-29 10:52:33) |

Under Coded Crossword 3 (in Cryptography) Posted on 2020-02-21 (4 Comments) |

| re: manual solution with computer assistance for making substitutions by Math Man (2020-02-27 19:42:13) |

Under Got a hint? (in Sequences) Posted on 2020-02-17 (4 Comments) |

| re(2): First ...and the Last ... Hint (Spoiler) by Math Man (2020-02-17 16:50:17) |

Under 13 T2Ts (in Word Problems) Posted on 2020-02-03 (18 Comments) |

| Some of them by Math Man (2020-02-03 08:29:09) |

Under PYHIYP #2 (in Just Math) Posted on 2020-01-13 (5 Comments) |

| 5 seconds by Math Man (2020-01-19 18:58:19) |

Under Company Conundrum 2 (in Word Problems) Posted on 2019-12-20 (2 Comments) |

| re: partial guess by Math Man (2019-12-29 13:54:19) |

Under PYHIYP #1 (in Numbers) Posted on 2019-12-09 (4 Comments) |

| Answers by Math Man (2019-12-21 20:09:02) |

Under Letters (in General) Posted on 2019-11-11 (1 Comments) |

| Answer by Math Man (2019-11-11 11:10:01) |

Under Tricky sequence (in Sequences) Posted on 2019-11-04 (2 Comments) |

| Hint and added challenge by Math Man (2019-11-19 08:09:34) |

Under Unrelated Become Antonyms (in Word Problems) Posted on 2019-10-28 (5 Comments) |

| Answers by Math Man (2019-10-28 12:38:58) |

Under Non-trivial solutions (in Sequences) Posted on 2019-10-16 (5 Comments) |

| A non-trivial solution by Math Man (2019-10-20 17:29:00) |

Under Just substitute? (in Numbers) Posted on 2019-09-17 (2 Comments) |

| Answer by Math Man (2019-09-19 19:40:13) |

Under Memphis, Tennessee (in Word Problems) Posted on 2019-09-02 (2 Comments) |

| Answer by Math Man (2019-09-02 12:40:30) |

Under No primes 3 (in Numbers) Posted on 2019-08-10 (2 Comments) |

| re: Possible solution by Math Man (2019-08-13 07:01:54) |

Under Square and Rectangle (in Geometry) Posted on 2019-07-04 (3 Comments) |

| The area and x by Math Man (2019-07-05 12:29:19) |

Under six words--some letters in common (in Word Problems) Posted on 2019-06-26 (3 Comments) |

| Answers by Math Man (2019-06-26 16:57:38) |

Under Knavish Arithmetic (in Liars and Knights) Posted on 2019-05-25 (2 Comments) |

| Knaves by Math Man (2019-06-21 11:04:42) |

Under Crossword puzzles (in Algorithms) Posted on 2019-05-21 (10 Comments) |

| re(2): My Attempt by Math Man (2019-06-07 08:35:11) |

| re: Two Attempts by Math Man (2019-06-01 06:52:49) |

| Hint by Math Man (2019-05-27 15:12:46) |

Under Little Pika can barely add (in Numbers) Posted on 2019-05-19 (1 Comments) |

| Detective Pikachu by Math Man (2019-05-19 09:18:39) |

Under Chemical deduction (in Logic) Posted on 2019-05-13 (9 Comments) |

| The killer by Math Man (2019-09-27 20:40:33) |

Under Breaking the Jewel code (in Numbers) Posted on 2019-04-17 (4 Comments) |

| Answers for small N by Math Man (2019-04-21 21:44:34) |

Under Taramasalata inspired world (in Word Problems) Posted on 2019-04-01 (21 Comments) |

| Answers by Math Man (2019-04-11 12:52:38) |

Under A Divisor Diversion (in Numbers) Posted on 2019-03-27 (4 Comments) |

| Answer by Math Man (2019-03-29 17:02:38) |

Under Math is radical (in Numbers) Posted on 2019-03-19 (2 Comments) |

| Solution by Math Man (2019-03-21 15:01:44) |

Under A change of clothes (in Word Problems) Posted on 2019-03-08 (3 Comments) |

| re: In my view by Math Man (2019-03-09 11:03:39) |

Under Does It Continue? 11 (in Just Math) Posted on 2019-02-10 (3 Comments) |

| re: Answering a different question... by Math Man (2019-02-13 11:05:30) |

Under Can you C it? (in Word Problems) Posted on 2019-02-06 (21 Comments) |

| What is a hint? by Math Man (2019-02-07 17:57:59) |

Under Digit Anagram (in Numbers) Posted on 2019-01-24 (3 Comments) |

| Proof by Math Man (2019-01-24 15:23:50) |

Under Ring in the New - again and again and again.. (in Numbers) Posted on 2019-01-01 (2 Comments) |

| Answer by Math Man (2019-01-01 14:11:19) |

Under Same digits (in Numbers) Posted on 2018-12-26 (5 Comments) |

| re(2): computer solution by Math Man (2018-12-26 17:54:21) |

Under The 100th number (in Sequences) Posted on 2018-12-10 (7 Comments) |

| re(2): Hint by Math Man (2019-01-11 11:25:01) |

| Hint by Math Man (2018-12-14 10:39:25) |

Under Body parts (in Riddles) Posted on 2018-11-06 (5 Comments) |

| A hint by Math Man (2018-11-06 16:18:59) |

Under 2Z out (in Sequences) Posted on 2018-10-05 (2 Comments) |

| Answer by Math Man (2018-10-06 09:03:20) |

Under Antigrams wanted (in Word Problems) Posted on 2018-09-21 (6 Comments) |

| An answer by Math Man (2018-09-21 11:50:03) |

Under In Memoriam (in Numbers) Posted on 2018-08-16 (8 Comments) |

| Answer by Math Man (2018-09-13 14:25:14) |

Under Jeopardy-style A&Q (in Numbers) Posted on 2018-08-12 (6 Comments) |

| Answer by Math Man (2018-08-12 16:34:21) |

Under 1st 101-digit prime (in Numbers) Posted on 2018-08-02 (3 Comments) |

| UFINDIT by Math Man (2018-08-02 18:09:47) |

Under 99 as an example (in Numbers) Posted on 2018-07-22 (2 Comments) |

| Pi answer by Math Man (2018-07-22 10:35:18) |

Under 7 come zero (in Probability) Posted on 2018-06-28 (5 Comments) |

| re: solution by Math Man (2018-07-08 19:34:20) |

Under Zero is the last digit of S (in Numbers) Posted on 2018-06-16 (3 Comments) |

| Answer by Math Man (2018-06-16 19:53:51) |

Under Explain Plato's affinity (in Numbers) Posted on 2018-05-15 (3 Comments) |

| Answer by Math Man (2018-05-30 20:41:12) |

Under Where's Bob? (in General) Posted on 2018-05-01 (5 Comments) |

| 10 days by Math Man (2018-05-01 20:32:30) |

Under A pandigital set (in Numbers) Posted on 2018-04-14 (5 Comments) |

| Answer by Math Man (2018-04-21 21:10:23) |

Under Prime records (in Sequences) Posted on 2018-04-06 (3 Comments) |

| re: solution by Math Man (2018-04-08 08:31:17) |

Under Some Same Letters (in Word Problems) Posted on 2018-03-27 (3 Comments) |

| Answers by Math Man (2018-03-27 21:29:39) |

Under All in the USA (in Numbers) Posted on 2018-03-20 (2 Comments) |

| Solution by Math Man (2018-03-20 14:43:53) |

Under Hill's data (in Numbers) Posted on 2018-03-03 (6 Comments) |

| Hills and Hillocks by Math Man (2018-03-05 07:14:02) |

Under Let's make a deal (in Numbers) Posted on 2018-02-17 (1 Comments) |

| Answer by Math Man (2018-02-17 09:43:16) |

Under Square pairs (in Just Math) Posted on 2018-02-07 (3 Comments) |

| Answer by Math Man (2018-02-07 21:27:56) |

Under Quite a pair! (in Numbers) Posted on 2018-01-26 (2 Comments) |

| A and B by Math Man (2018-01-29 17:57:13) |

Under A set of subsets (in Just Math) Posted on 2018-01-17 (2 Comments) |

| Solution by Math Man (2018-01-17 08:19:50) |

Under A special phenomenon (in Logic) Posted on 2018-01-05 (3 Comments) |

| Answer by Math Man (2018-01-11 14:29:56) |

Under A prime nonuplet (in Numbers) Posted on 2017-12-27 (4 Comments) |

| re(2): computer solution (spoiler) by Math Man (2017-12-29 20:38:02) |

Under A true story (in Numbers) Posted on 2017-12-20 (6 Comments) |

| Answers by Math Man (2018-12-03 07:40:05) |

| re(2): Hint needed by Math Man (2018-05-19 08:46:32) |

| Hint needed by Math Man (2017-12-24 12:43:02) |

Under Way to go (in Riddles) Posted on 2017-11-22 (4 Comments) |

| Answer by Math Man (2017-11-23 18:19:02) |

Under Making a 10 (in Numbers) Posted on 2017-11-13 (4 Comments) |

| 10 digits by Math Man (2017-12-08 13:28:24) |

Under 3 lowest score words (in Word Problems) Posted on 2017-10-20 (3 Comments) |

| re: computer solution by Math Man (2017-10-22 09:19:05) |

Under Somewhere in the USA (in Word Problems) Posted on 2017-10-10 (6 Comments) |

| 1254 123 by Math Man (2017-10-11 08:08:27) |

Under Does it continue? 5: powers of 2 (in Numbers) Posted on 2017-09-24 (6 Comments) |

| 2^n mod n by Math Man (2017-10-04 14:54:22) |

Under Does it continue? 2: Prime or not? (in Numbers) Posted on 2017-09-16 (6 Comments) |

| re(2): Does it continue? by Math Man (2017-09-23 19:36:03) |

Under Cryptaquote I (in Word Problems) Posted on 2017-09-14 (6 Comments) |

| Answer by Math Man (2017-09-14 08:10:18) |

Under Strobogrammatic to pandigital (in Numbers) Posted on 2017-08-26 (4 Comments) |

| Answer by Math Man (2017-09-03 21:30:59) |

Under Next Numbers Please #9 (in Numbers) Posted on 2017-08-23 (9 Comments) |

| When 12 appears by Math Man (2017-08-23 19:18:24) |

Under The well-defined digit (in Numbers) Posted on 2017-08-14 (5 Comments) |

| The digit by Math Man (2017-08-14 08:00:14) |

Under Fermat numbers (in Numbers) Posted on 2017-07-13 (2 Comments) |

| Answer by Math Man (2017-07-19 14:22:52) |

Under 38s and Bunches of 1s (in Numbers) Posted on 2017-06-30 (7 Comments) |

| Proof by Math Man (2017-07-01 21:38:12) |

Under Rational number's conversion (in Just Math) Posted on 2017-06-18 (5 Comments) |

| Answer by Math Man (2017-06-20 07:36:16) |

Under Question and answer (in General) Posted on 2017-06-07 (3 Comments) |

| Pi answer by Math Man (2017-06-12 13:12:17) |

Under Four balls (in Probability) Posted on 2017-05-19 (22 Comments) |

| The real solution by Math Man (2017-05-24 09:30:46) |

Under Cryptajoke XVII (in Numbers) Posted on 2017-04-21 (6 Comments) |

| Why is this in Numbers? by Math Man (2017-05-01 21:33:47) |

Under A factorial in seconds (in Numbers) Posted on 2017-04-18 (6 Comments) |

| The answer by Math Man (2017-04-19 19:57:41) |

Under Names in Boxes (in Logic) Posted on 2017-04-09 (10 Comments) |

| This is not possible. by Math Man (2017-04-11 08:20:11) |

Under Prime power puzzle (in Just Math) Posted on 2017-04-01 (9 Comments) |

| re: Half A proof by Math Man (2017-04-02 16:48:17) |

Under Up and up (in Numbers) Posted on 2017-03-22 (2 Comments) |

| Answer by Math Man (2017-03-22 10:37:25) |

Under Fibonacci Fib (in Sequences) Posted on 2017-02-23 (1 Comments) |

| Hint by Math Man (2017-02-27 06:06:05) |

Under Forward and Backward Word Values (in General) Posted on 2017-02-07 (5 Comments) |

| Solution by Math Man (2017-02-07 14:37:15) |

Under Multiples with 3 (in Numbers) Posted on 2017-01-31 (3 Comments) |

| re: computer solution, taken beyond by Math Man (2017-01-31 20:34:54) |

Under 1,3,8 ...extend! (in Numbers) Posted on 2017-01-26 (4 Comments) |

| The number by Math Man (2017-02-19 21:09:15) |

Under An interesting recurrence (in Numbers) Posted on 2017-01-17 (5 Comments) |

| Why there are many solutions by Math Man (2017-01-18 16:25:20) |

Under Beginning of the Month (in Logic) Posted on 2017-01-09 (2 Comments) |

| Answer by Math Man (2017-01-15 09:56:00) |

Under As EZ as UC it (in Numbers) Posted on 2016-12-26 (3 Comments) |

| Very easy by Math Man (2016-12-26 10:04:12) |

Under 7+8=12 ?? (in Just Math) Posted on 2016-11-30 (3 Comments) |

| 7+8 by Math Man (2016-12-14 13:05:27) |

Under Prime repunits (in Numbers) Posted on 2016-11-24 (5 Comments) |

| Repunit by Math Man (2016-11-24 09:53:27) |

Under Terrific sequence 2 (in Sequences) Posted on 2016-11-20 (2 Comments) |

| Hint by Math Man (2016-11-29 17:59:30) |

Under Your conclusion requested (in Logic) Posted on 2016-11-03 (9 Comments) |

| Answer by Math Man (2016-11-10 11:07:07) |

Under Prime and Twice Square (in Just Math) Posted on 2016-10-22 (4 Comments) |

| A solution by Math Man (2016-10-22 11:49:50) |

Under True Statement Settlement (in Logic) Posted on 2016-10-06 (2 Comments) |

| The true statement by Math Man (2016-10-07 07:49:36) |

Under Two Primes From Prime (in Just Math) Posted on 2016-09-27 (3 Comments) |

| p answer by Math Man (2016-09-27 20:42:32) |

Under Think twice (in Just Math) Posted on 2016-09-12 (4 Comments) |

| Answers by Math Man (2016-09-16 16:40:23) |

Under Business is business (in Word Problems) Posted on 2016-08-24 (6 Comments) |

| AnswEr by Math Man (2016-08-24 08:30:23) |

Under A surprising prime gap (in Numbers) Posted on 2016-07-27 (8 Comments) |

| re: My solution by Math Man (2016-07-30 20:37:42) |

Under Simple number trick (in Numbers) Posted on 2016-06-29 (5 Comments) |

| Answer by Math Man (2016-07-07 08:34:02) |

Under Find the killer (in Liars and Knights) Posted on 2016-06-20 (5 Comments) |

| Answers by Math Man (2016-06-25 07:00:41) |

Under Power of 2 (in Numbers) Posted on 2016-05-27 (6 Comments) |

| Answers by Math Man (2016-05-27 13:23:14) |

Under Terrific sequence (in Sequences) Posted on 2016-05-10 (6 Comments) |

| A hint by Math Man (2016-05-16 06:54:59) |

| re: a start ? by Math Man (2016-05-11 09:11:33) |

Under TO and FRO (in Just Math) Posted on 2016-04-25 (4 Comments) |

| Easy solution by Math Man (2016-04-25 19:37:02) |

Under A Pythagorean triangle (in Numbers) Posted on 2016-04-08 (4 Comments) |

| An intriguing thing by Math Man (2016-04-11 21:13:36) |

Under Find number and base (in Numbers) Posted on 2016-03-17 (6 Comments) |

| Answer by Math Man (2016-03-20 21:24:45) |

Under My four numbers (in Just Math) Posted on 2016-02-24 (12 Comments) |

| The numbers by Math Man (2016-03-05 17:18:50) |

Under 1-2-3 Remainder Resolution (in Logic) Posted on 2016-02-16 (12 Comments) |

| How to solve it by Math Man (2016-02-16 17:46:06) |

Under Expose ambiguity (in Logic) Posted on 2016-01-13 (5 Comments) |

| A solution by Math Man (2016-01-13 10:15:15) |

Under A math symbol (in Numbers) Posted on 2016-01-08 (10 Comments) |

| Answer. by Math Man (2016-01-08 08:56:17) |

Under Hold your horses (in General) Posted on 2015-12-09 (3 Comments) |

| Solution by Math Man (2015-12-13 20:33:53) |

Under A Math Problem (in Just Math) Posted on 2015-12-03 (6 Comments) |

| A change by Math Man (2016-02-07 06:41:51) |

Under No primes here (in Sequences) Posted on 2015-11-30 (2 Comments) |

| Prime solution by Math Man (2015-12-04 14:44:37) |

Under Wise Russell (in Tricks) Posted on 2015-11-24 (1 Comments) |

| 2+2 by Math Man (2015-11-24 15:15:23) |

Under Cryptajoke XII (in Cryptography) Posted on 2015-11-16 (2 Comments) |

| Answer by Math Man (2015-11-16 15:32:13) |

Under A plural of a plural (in Word Problems) Posted on 2015-10-30 (5 Comments) |

| Plurals by Math Man (2015-10-30 09:07:48) |

Under Factorials & factorions (in Numbers) Posted on 2015-10-19 (2 Comments) |

| The last factorion by Math Man (2015-10-21 09:59:07) |

Under Fair? (in Games) Posted on 2015-09-10 (10 Comments) |

| A's strategy by Math Man (2015-09-17 16:47:47) |

Under Oddday (in Numbers) Posted on 2015-08-10 (4 Comments) |

| Odd days by Math Man (2015-08-17 18:22:09) |

Under Matching pairs (in Numbers) Posted on 2015-07-24 (1 Comments) |

| Solution by Math Man (2015-07-24 14:32:07) |

Under Powers of Ten (in Sequences) Posted on 2015-07-14 (7 Comments) |

| Answer by Math Man (2015-07-16 19:21:55) |

Under Primary problem III (in Numbers) Posted on 2015-07-03 (2 Comments) |

| Prime answer by Math Man (2015-07-03 19:30:19) |

Under It is not 8^5 (in Numbers) Posted on 2015-06-24 (3 Comments) |

| 8^5 by Math Man (2015-06-25 08:34:46) |

Under It sounds Greek to me (in General) Posted on 2015-06-11 (3 Comments) |

| The answer by Math Man (2015-06-14 16:02:57) |

Under Rational or not? (in Just Math) Posted on 2015-05-29 (5 Comments) |

| 96 repeating by Math Man (2015-05-30 15:18:16) |

Under Rhyme time (in Word Problems) Posted on 2015-05-07 (6 Comments) |

| Some answers by Math Man (2015-05-07 09:40:39) |

Under Is it possible? (in Famous Riddles) Posted on 2015-04-27 (1 Comments) |

| Answer by Math Man (2015-04-27 08:07:55) |

Under The Red Rows (in Tricks) Posted on 2015-04-01 (3 Comments) |

| Words by Math Man (2015-04-05 10:29:20) |

Under Oxymora galore (in Word Problems) Posted on 2015-03-27 (1 Comments) |

| What? by Math Man (2015-03-27 12:13:24) |

Under Eight Product Exercise (in Sequences) Posted on 2015-03-02 (2 Comments) |

| Who do we appreciate? by Math Man (2015-03-02 20:42:34) |

Under Cryptajoke III (in Logic) Posted on 2015-02-23 (3 Comments) |

| Answer by Math Man (2018-03-16 17:59:29) |

Under Be consistent (in Numbers) Posted on 2015-02-20 (3 Comments) |

| Answer by Math Man (2015-02-21 08:09:00) |

Under A simple gematria (in Numbers) Posted on 2015-02-09 (3 Comments) |

| A word by Math Man (2015-02-09 08:51:04) |

Under Quite a normal question (in Riddles) Posted on 2015-02-02 (2 Comments) |

| Another solution by Math Man (2015-02-03 11:04:58) |

Under Next one(s), please (in Sequences) Posted on 2015-01-08 (2 Comments) |

| Next number by Math Man (2015-01-08 08:10:50) |

Under 4d divides 5d (in Just Math) Posted on 2014-12-26 (2 Comments) |

| Answer by Math Man (2014-12-30 21:11:08) |

Under Cube Difference Deduction (in Just Math) Posted on 2014-12-12 (2 Comments) |

| Rule of cubes by Math Man (2014-12-20 20:39:08) |

Under So close, but no closer... (in Just Math) Posted on 2014-12-04 (5 Comments) |

| Easy part by Math Man (2014-12-08 07:43:32) |

Under Simultaneous Surmise (in Just Math) Posted on 2014-11-29 (3 Comments) |

| Finally! by Math Man (2014-11-29 10:16:30) |

Under Composite Sum Satisfaction (in Just Math) Posted on 2014-11-11 (4 Comments) |

| Answer by Math Man (2014-11-11 20:58:52) |

Under One by two (in Numbers) Posted on 2014-10-22 (6 Comments) |

| Exponents by Math Man (2014-11-02 19:55:30) |

Under Cuisine Conclusion II (in Word Problems) Posted on 2014-10-20 (5 Comments) |

| Solutions by Math Man (2014-10-20 20:54:05) |

Under A versatile number (in Numbers) Posted on 2014-10-13 (6 Comments) |

| Answer by Math Man (2014-10-13 13:48:08) |

Under Fill in (in Sequences) Posted on 2014-09-24 (6 Comments) |

| Prime! by Math Man (2014-09-25 20:26:38) |

Under Simultaneous Base Baffle (in Just Math) Posted on 2014-09-17 (6 Comments) |

| re(2): solution by Math Man (2014-09-19 08:40:06) |

Under Fibo's quickie (in Logic) Posted on 2014-09-03 (4 Comments) |

| Quick by Math Man (2014-09-09 10:56:59) |

Under Cuboid Diagonal Conclusion (in Shapes) Posted on 2014-09-01 (4 Comments) |

| Answer by Math Man (2015-09-27 20:54:41) |

Under Segment Section Settlement (in Probability) Posted on 2014-08-28 (3 Comments) |

| Points by Math Man (2014-08-30 21:11:41) |

Under Three subsets (in Just Math) Posted on 2014-08-15 (13 Comments) |

| A solution by Math Man (2014-08-23 11:03:32) |

Under The twelve(!) tribes(?) (in General) Posted on 2014-07-20 (3 Comments) |

| N(c) by Math Man (2014-07-24 09:07:50) |

Under F. to P. generator (in Numbers) Posted on 2014-06-25 (4 Comments) |

| Even simpler by Math Man (2014-06-27 16:47:01) |

Under Three Digit Trial revisited (in Numbers) Posted on 2014-06-17 (2 Comments) |

| Numbers by Math Man (2014-06-17 10:25:13) |

Under Ways and means (in Tricks) Posted on 2014-06-05 (11 Comments) |

| re: Tricky way by Math Man (2014-06-06 17:52:07) |

Under Make one hundred (in Numbers) Posted on 2014-05-17 (7 Comments) |

| Answers by Math Man (2014-05-29 11:01:51) |

Under I / O resolved (in Logic) Posted on 2014-04-28 (4 Comments) |

| Answer by Math Man (2014-05-01 23:47:14) |

Under Wallet Wangle (in Liars and Knights) Posted on 2014-04-24 (2 Comments) |

| Answer by Math Man (2014-10-05 19:09:47) |

Under Veracity Verification III (in Logic) Posted on 2014-04-23 (4 Comments) |

| True solution by Math Man (2014-04-23 18:08:09) |

Under Murderer Detection (in Riddles) Posted on 2014-04-17 (2 Comments) |

| Solution by Math Man (2014-04-17 22:36:20) |

Under A Quicky III (in Numbers) Posted on 2014-04-09 (9 Comments) |

| How to do it quickly by Math Man (2014-04-12 22:18:40) |

Under How high? (in Numbers) Posted on 2014-03-25 (4 Comments) |

| 2048 by Math Man (2014-03-27 22:21:03) |

Under Last Digit II (in Just Math) Posted on 2014-03-14 (2 Comments) |

| Answer by Math Man (2014-03-19 21:04:12) |

Under Hockey Score Settlement (in Logic) Posted on 2014-02-03 (2 Comments) |

| Solution by Math Man (2014-02-03 10:46:37) |

Under Coded Crossword 2 (in Cryptography) Posted on 2014-01-24 (3 Comments) |

| Hint by Math Man (2014-01-31 11:19:42) |

Under Factorial Difference Digits (in Just Math) Posted on 2014-01-12 (6 Comments) |

| Digits by Math Man (2014-01-15 17:38:26) |

Under Unusual Crossword Puzzle (in Word Problems) Posted on 2014-01-09 (5 Comments) |

| AENRSW by Math Man (2014-01-09 11:24:10) |

Under Boys' names (in Word Problems) Posted on 2013-12-30 (10 Comments) |

| Names by Math Man (2014-01-02 18:35:26) |

Under Unitary perfect numbers (in Just Math) Posted on 2013-12-16 (10 Comments) |

| That was quick! by Math Man (2013-12-16 19:24:14) |

Under Continued Multiples (in Numbers) Posted on 2013-11-29 (3 Comments) |

| ? by Math Man (2013-12-03 13:06:36) |

Under Great sequence (in Sequences) Posted on 2013-11-28 (3 Comments) |

| re: pseudo-solution by Math Man (2016-05-21 13:55:42) |

Under LCM equation (in Numbers) Posted on 2013-11-19 (5 Comments) |

| Proof by Math Man (2013-11-26 22:57:04) |

Under Perfectly Harmonic (in Just Math) Posted on 2013-11-13 (3 Comments) |

| re: Solution by Math Man (2013-11-14 20:26:40) |

Under Two ways (in Just Math) Posted on 2013-10-31 (2 Comments) |

| Ways by Math Man (2013-11-01 19:35:32) |

Under Perfect Prime Provision? (in Just Math) Posted on 2013-10-27 (2 Comments) |

| Answer by Math Man (2013-10-29 21:16:07) |

Under Mansion Murder Muse (in Logic) Posted on 2013-10-24 (2 Comments) |

| Contradiction? by Math Man (2013-10-24 21:14:01) |

Under Smart Man (in Logic) Posted on 2013-10-17 (3 Comments) |

| Smart! by Math Man (2013-10-18 08:52:54) |

Under Restore from scratches (in Numbers) Posted on 2013-10-08 (2 Comments) |

| Easy! by Math Man (2013-10-08 15:11:21) |

Under Repunit Rigor II (in Just Math) Posted on 2013-10-01 (3 Comments) |

| Answers by Math Man (2013-10-05 23:45:50) |

Under Crime Commitment Conclusion II (in Liars and Knights) Posted on 2013-09-12 (7 Comments) |

| Solution by Math Man (2013-09-12 21:41:05) |

Under Mysterious Sequence (in Sequences) Posted on 2013-09-11 (3 Comments) |

| Aha! by Math Man (2013-09-16 23:11:42) |

Under The Last Two Digits (in Just Math) Posted on 2013-09-04 (3 Comments) |

| re: answer - spoiler by Math Man (2013-09-28 21:52:11) |

Under Walking the Blank (in Probability) Posted on 2013-08-19 (4 Comments) |

| re: spoiler, hopefully by Math Man (2013-08-19 11:09:15) |

Under Crime Commitment Conclusion (in Liars and Knights) Posted on 2013-08-12 (6 Comments) |

| All solutions by Math Man (2013-08-22 16:43:59) |

Under Seven - with and without (in Numbers) Posted on 2013-08-09 (6 Comments) |

| Observation by Math Man (2013-09-22 22:46:52) |

Under Day-knights and night-knights 6 (in Logic) Posted on 2013-08-02 (5 Comments) |

| Day=Morning by Math Man (2013-08-14 22:09:05) |

Under Remember that (in Numbers) Posted on 2013-07-30 (4 Comments) |

| Yes, I have a great answering! by Math Man (2013-08-08 21:47:50) |

Under Only one untrue statement (in Logic) Posted on 2013-07-18 (10 Comments) |

| re(2): Spoiler by Math Man (2013-07-20 09:25:57) |

Under 222 (in Word Problems) Posted on 2013-07-02 (11 Comments) |

| Me, too! by Math Man (2013-07-05 21:06:22) |

Under Family Occupations (in Logic) Posted on 2013-06-17 (5 Comments) |

| Solution by Math Man (2013-06-22 09:00:34) |

Under You & you (in Word Problems) Posted on 2013-05-30 (6 Comments) |

| Word by Math Man (2013-05-30 10:02:23) |

Under Elementary Math (in Sequences) Posted on 2013-05-24 (2 Comments) |

| Anser by Math Man (2013-06-26 10:17:23) |

Under 13-Letter Key (in Cryptography) Posted on 2013-05-16 (8 Comments) |

| Answer by Math Man (2013-05-22 09:46:16) |

Under Dark Divisibility (in Just Math) Posted on 2013-04-27 (21 Comments) |

| re(2): Proof by Math Man (2013-05-10 14:47:46) |

| Proof by Math Man (2013-05-09 13:22:15) |

Under Poker Precept (in Logic) Posted on 2013-04-19 (4 Comments) |

| Answer by Math Man (2013-04-19 11:02:59) |

Under Liar Logic (in Liars and Knights) Posted on 2013-04-11 (2 Comments) |

| re: Solution by Math Man (2013-04-26 11:04:00) |

Under D is harder than C (in Just Math) Posted on 2013-03-29 (11 Comments) |

| Answer by Math Man (2013-03-29 20:55:24) |

Under Fiancé Resolution (in Liars and Knights) Posted on 2013-03-25 (7 Comments) |

| Explanation by Math Man (2013-03-25 17:27:35) |

Under Math spelling (in Word Problems) Posted on 2013-03-04 (9 Comments) |

| Number by Math Man (2013-03-08 21:34:27) |

Under Magical Magician (in Numbers) Posted on 2013-02-23 (6 Comments) |

| Simple answer by Math Man (2013-02-24 12:19:53) |

Under Purely prime (in Just Math) Posted on 2013-02-19 (3 Comments) |

| Primes by Math Man (2016-09-05 21:00:42) |

Under Primed to Square (in Just Math) Posted on 2013-02-15 (3 Comments) |

| p by Math Man (2013-02-15 21:54:56) |

Under Penny Drop (in Science) Posted on 2013-01-17 (6 Comments) |

| Interesting by Math Man (2013-01-30 21:52:40) |

Under Six Natives (in Liars and Knights) Posted on 2013-01-14 (3 Comments) |

| Solution by Math Man (2013-01-14 19:40:23) |

Under Told by an integer (in Numbers) Posted on 2013-01-04 (2 Comments) |

| Answer by Math Man (2013-01-11 10:11:31) |

Under n+1,n+11,n+111 (in Just Math) Posted on 2012-12-24 (2 Comments) |

| This is easy! by Math Man (2013-01-01 18:30:15) |

Under Arm Appraisal III (in Liars and Knights) Posted on 2012-12-21 (5 Comments) |

| Correct solution by Math Man (2012-12-21 21:58:18) |

Under Primary Problem 2 (in Just Math) Posted on 2012-12-09 (4 Comments) |

| re(2): Too simplistic? by Math Man (2012-12-10 11:23:20) |

Under Divisible by 3. (in Just Math) Posted on 2012-12-02 (5 Comments) |

| Confusing problem by Math Man (2012-12-02 13:46:37) |

Under Yes we can (in Numbers) Posted on 2012-11-20 (2 Comments) |

| That solution by Math Man (2012-11-27 22:58:35) |

Under Missing digit (in General) Posted on 2012-11-03 (3 Comments) |

| re: How it works- a spoiler by Math Man (2012-11-07 11:46:08) |

Under House Hindrance (in Liars and Knights) Posted on 2012-11-01 (9 Comments) |

| Answer... by Math Man (2012-11-02 21:19:33) |

Under Monstrous prime? (in Just Math) Posted on 2012-10-29 (3 Comments) |

| Prime? by Math Man (2012-10-29 12:54:22) |

Under Gender and Occupation (in Logic) Posted on 2012-10-22 (6 Comments) |

| Answer... by Math Man (2012-10-24 22:45:39) |

Under Extremum Expressions (in Just Math) Posted on 2012-10-15 (4 Comments) |

| Answers by Math Man (2012-10-16 11:08:33) |

Under Wiki Ladders (in Word Problems) Posted on 2012-10-11 (7 Comments) |

| Two solutions by Math Man (2012-10-11 14:54:00) |

Under The way to Normalville (in Liars and Knights) Posted on 2012-10-05 (13 Comments) |

| re(5): no cigar by Math Man (2012-10-07 13:20:51) |

| re(3): no cigar by Math Man (2012-10-06 14:58:00) |

| re: no cigar by Math Man (2012-10-06 09:15:20) |

Under Though this be madness, yet there is method in it... (in Numbers) Posted on 2012-09-20 (6 Comments) |

| Solution by Math Man (2013-04-14 20:40:53) |

Under Cookie Monster (in Tricks) Posted on 2012-09-06 (4 Comments) |

| Another idea by Math Man (2012-09-06 10:31:41) |

Under Arm Appraisal (in Liars and Knights) Posted on 2012-09-04 (5 Comments) |

| Arms by Math Man (2012-09-17 22:53:23) |

Under Wordates (in General) Posted on 2012-09-03 (7 Comments) |

| 7777 by Math Man (2012-09-03 18:22:39) |

Under Killer and Victim (in Logic) Posted on 2012-08-26 (6 Comments) |

| Answer by Math Man (2012-09-01 15:11:54) |

Under Dollars and Cents (in Just Math) Posted on 2012-08-13 (6 Comments) |

| Answer by Math Man (2020-05-16 11:55:29) |

Under Sixes and Sevens--Not! (in Numbers) Posted on 2012-08-12 (33 Comments) |

| Popular puzzle by Math Man (2012-08-13 20:36:07) |

Under Additive years (in Numbers) Posted on 2012-08-08 (6 Comments) |

| re: formulae + answers by Math Man (2012-08-08 22:58:21) |

Under Mutually friendly 3 (in Logic) Posted on 2012-08-05 (11 Comments) |

| re: No Subject by Math Man (2012-08-07 09:25:32) |

| Hint by Math Man (2012-08-07 09:14:37) |

Under Mind-Swapping Machine (in Logic) Posted on 2012-08-02 (4 Comments) |

| Answer to 1 by Math Man (2012-08-02 10:40:58) |

Under A quicky (in Numbers) Posted on 2012-07-31 (6 Comments) |

| Answer by Math Man (2012-07-31 21:48:30) |

Under Day-knights and night-knights 5 (in Logic) Posted on 2012-07-24 (2 Comments) |

| Finally! by Math Man (2012-07-24 13:12:08) |

Under Pigeons again (in Sequences) Posted on 2012-07-22 (2 Comments) |

| n by Math Man (2012-07-22 12:55:40) |

Under Numbered Letters III (in Word Problems) Posted on 2012-07-20 (9 Comments) |

| An answer by Math Man (2012-07-20 13:00:49) |

Under 99 for odd powers (in Numbers) Posted on 2012-07-14 (3 Comments) |

| Proof by Math Man (2012-07-14 20:50:13) |

Under Hillside Shepherds (in Liars and Knights) Posted on 2012-07-10 (3 Comments) |

| Easier than D3 by Math Man (2012-07-12 11:47:59) |

Under All 10 digits (in Probability) Posted on 2012-07-06 (5 Comments) |

| re: Leading answer (spoiler) by Math Man (2012-07-08 23:08:00) |

Under Nod to fife and food (in Numbers) Posted on 2012-06-26 (5 Comments) |

| Food by Math Man (2012-06-26 14:01:17) |

Under Find this cube! (in Numbers) Posted on 2012-06-16 (4 Comments) |

| Palindrome by Math Man (2012-06-16 22:20:12) |

Under Equal digits (in Numbers) Posted on 2012-06-11 (7 Comments) |

| Answer by Math Man (2012-06-12 15:06:17) |

Under Cheating by not cheating (in Riddles) Posted on 2012-05-30 (12 Comments) |

| re: Another possible solution by Math Man (2012-05-31 11:45:05) |

| re: Possible solution by Math Man (2012-05-30 18:01:01) |

Under A Prime Triplet (in Numbers) Posted on 2012-05-19 (5 Comments) |

| re(2): Prime solution (?'s) by Math Man (2012-05-20 08:23:12) |

| Prime solution by Math Man (2012-05-19 15:25:23) |

Under Last 2007 digits (in Just Math) Posted on 2012-05-12 (3 Comments) |

| 15 solutions by Math Man (2012-05-14 11:17:10) |

| Possible solution by Math Man (2012-05-14 10:28:09) |

Under Many Multiples (in Sequences) Posted on 2012-04-30 (8 Comments) |

| 123498765 by Math Man (2012-05-01 09:29:17) |

Under Minimal Primes (in Numbers) Posted on 2012-04-24 (5 Comments) |

| re: solution by Math Man (2012-04-24 17:26:45) |

Under Type Deduction II (in Liars and Knights) Posted on 2012-04-23 (3 Comments) |

| Solution by Math Man (2012-04-23 20:13:23) |

Under Loops in PI (in Logic) Posted on 2012-04-15 (5 Comments) |

| Easy solution by Math Man (2012-05-27 21:28:20) |

Under Four people II (in Logic) Posted on 2012-04-11 (6 Comments) |

| Solution by Math Man (2012-04-11 15:31:34) |

Under The wine is so-so, but... (in Numbers) Posted on 2012-04-06 (8 Comments) |

| Answer by Math Man (2012-04-09 19:36:58) |

Under From primes to palindrome (in Numbers) Posted on 2012-03-24 (7 Comments) |

| Really great solution by Math Man (2012-03-24 17:39:28) |

Under Redundant questions (in Word Problems) Posted on 2012-03-19 (11 Comments) |

| Really redundant question by Math Man (2013-02-27 23:51:54) |

Under Pi repeats (in Numbers) Posted on 2012-02-29 (3 Comments) |

| Happy Pi Day! by Math Man (2012-03-14 13:51:25) |

Under S.o.d . of s.o.d ,,, (in Just Math) Posted on 2012-02-21 (4 Comments) |

| Digit by Math Man (2012-03-02 20:48:59) |

Under 39 does it (in Just Math) Posted on 2012-02-19 (4 Comments) |

| Proof by Math Man (2012-02-19 13:48:41) |

Under Decimal base? Of course... (in Tricks) Posted on 2012-02-13 (15 Comments) |

| Base 0 by Math Man (2012-02-13 22:00:15) |

Under Three digits - all prime! (in Numbers) Posted on 2012-02-01 (4 Comments) |

| Anyway by Math Man (2012-02-05 22:49:25) |

| Primes by Math Man (2012-02-01 18:00:55) |

Under Once a Liar, Always a Liar 2 (in Logic) Posted on 2012-01-29 (2 Comments) |

| Solution by Math Man (2012-01-29 14:19:46) |

Under Simultaneous Settlement (in Just Math) Posted on 2012-01-27 (8 Comments) |

| re: No Subject by Math Man (2012-01-27 20:07:55) |

Under Odd One Out II (in General) Posted on 2012-01-25 (4 Comments) |

| Another answer by Math Man (2012-01-25 16:19:36) |

Under Logical connectives (in Algorithms) Posted on 2012-01-24 (6 Comments) |

| re: Perplexing « Quintuple answered by Math Man (2012-01-24 12:24:39) |

Under Suffix Settlement (in Word Problems) Posted on 2012-01-17 (8 Comments) |

| 1-9 (All 9) by Math Man (2012-01-17 11:44:23) |

| 1-9 by Math Man (2012-01-17 11:02:46) |

Under Who stole the Perplexicon? (in Liars and Knights) Posted on 2012-01-11 (8 Comments) |

| Fun solution by Math Man (2012-01-11 18:00:34) |

Under Produce a product (in Just Math) Posted on 2012-01-09 (4 Comments) |

| Solution by Math Man (2012-01-09 10:03:22) |

Under More about 1729 (in Numbers) Posted on 2012-01-04 (8 Comments) |

| Answers by Math Man (2012-01-04 21:52:14) |

Under Type deduction (in Liars and Knights) Posted on 2011-12-24 (3 Comments) |

| Answer by Math Man (2011-12-24 13:50:04) |

| Answer by Math Man (2011-12-24 13:50:04) |

Under 8s and 9s (in Numbers) Posted on 2011-12-21 (7 Comments) |

| 89! by Math Man (2012-01-01 14:55:49) |

Under Find my number (in Numbers) Posted on 2011-12-19 (10 Comments) |

| re(2): An indefinite article by Math Man (2011-12-30 11:00:15) |

Under 5-digit period (in Just Math) Posted on 2011-12-16 (3 Comments) |

| Answer by Math Man (2011-12-16 10:25:24) |

Under Two Power Divides Product (in Just Math) Posted on 2011-12-05 (8 Comments) |

| Cool proof by Math Man (2011-12-06 19:41:31) |

Under All in the family (in Just Math) Posted on 2011-11-20 (17 Comments) |

| Revised by Math Man (2011-12-01 22:04:30) |

| solution by Math Man (2011-12-01 21:58:46) |

Under Factorial Quotient (in Just Math) Posted on 2011-11-19 (4 Comments) |

| A start by Math Man (2011-11-19 23:01:33) |

Under Some relation! (in Just Math) Posted on 2011-11-11 (10 Comments) |

| Solution by Math Man (2011-11-11 11:38:01) |

Under A quicky: (in Numbers) Posted on 2011-11-07 (1 Comments) |

| Quick answer by Math Man (2011-11-07 17:41:19) |

Under Sense of Discovery (in General) Posted on 2011-10-31 (11 Comments) |

| Turns by Math Man (2011-11-04 08:32:39) |

Under Lasts a year (in Just Math) Posted on 2011-10-24 (5 Comments) |

| re: Finishing the proof by Math Man (2011-10-24 16:35:10) |

| Solution by Math Man (2011-10-24 10:21:21) |

Under Last three digits (in Just Math) Posted on 2011-10-19 (9 Comments) |

| Answer by Math Man (2011-10-25 23:02:27) |

Under Three customers (in Logic) Posted on 2011-10-17 (9 Comments) |

| Eat food! by Math Man (2011-10-18 17:55:45) |

Under Seconds, anyone? (in Just Math) Posted on 2011-10-03 (2 Comments) |

| The Answer by Math Man (2011-10-14 23:45:25) |

Under Divisible (in Sequences) Posted on 2011-09-30 (6 Comments) |

| Answer by Math Man (2012-09-19 22:31:07) |

Under Two-digit numbers (in Sequences) Posted on 2011-09-29 (4 Comments) |

| re: I got it (spoiler.) by Math Man (2011-09-29 18:51:15) |

Under Telephone Number Travail (in Just Math) Posted on 2011-09-28 (2 Comments) |

| Solution by Math Man (2011-09-28 11:31:30) |

Under Duodecimal Digits (in Just Math) Posted on 2011-09-22 (5 Comments) |

| Answer and proof by Math Man (2011-09-22 21:50:22) |

Under Q: What time is it now, dear R.? (in Just Math) Posted on 2011-09-19 (9 Comments) |

| re: The time by Math Man (2011-09-19 17:44:27) |

| The time by Math Man (2011-09-19 17:40:23) |

Under 2011 Square Start (in Just Math) Posted on 2011-09-16 (5 Comments) |

| Square solution by Math Man (2011-09-16 10:30:23) |

Under Squaring Up The Digits II (in Just Math) Posted on 2011-09-03 (7 Comments) |

| Answer by Math Man (2011-09-03 14:59:41) |

Under As easy as... ABC? ...123? (in General) Posted on 2011-08-18 (12 Comments) |

| As easy as... by Math Man (2011-08-28 00:02:16) |

Under Wherefrom thou comest, mylady? (in Logic) Posted on 2011-08-11 (4 Comments) |

| Answer by Math Man (2011-08-11 17:42:52) |

Under Prove irrationality (in Just Math) Posted on 2011-08-07 (2 Comments) |

| Proof by Math Man (2011-08-07 13:47:55) |

Under Geometric Integers II (in Just Math) Posted on 2011-08-02 (3 Comments) |

| Fibonacci by Math Man (2011-08-03 20:34:14) |

Under Inflation or deflation? (in General) Posted on 2011-07-25 (3 Comments) |

| Answer by Math Man (2011-08-01 20:28:16) |

Under S-olve T-his (in Word Problems) Posted on 2011-07-17 (4 Comments) |

| re: All except R by Math Man (2011-07-17 16:12:19) |

Under 2B or B2? (in Word Problems) Posted on 2011-07-06 (4 Comments) |

| 2B or not 2B? by Math Man (2011-07-06 16:04:49) |

Under Mutually friendly 2 (in Logic) Posted on 2011-07-01 (4 Comments) |

| re: The enemy of my enemy is my friend? by Math Man (2011-07-01 17:21:26) |

Under The Calamari Stringer (in Cryptography) Posted on 2011-06-20 (1 Comments) |

| The answer by Math Man (2011-06-20 15:25:28) |

Under Samba Primes (in Numbers) Posted on 2011-06-14 (9 Comments) |

| re: all letters resolved by Math Man (2011-06-14 19:41:03) |

Under Lies all around (in Liars and Knights) Posted on 2011-06-04 (10 Comments) |

| Knights and liars by Math Man (2011-06-04 14:18:18) |

Under Fortieth logs (in Just Math) Posted on 2011-05-31 (15 Comments) |

| Answers from 2 to 9 by Math Man (2011-06-01 19:05:31) |

| Closer number by Math Man (2011-06-01 19:01:51) |

Under Diophantine quickie (in Just Math) Posted on 2011-05-27 (3 Comments) |

| The value of e by Math Man (2011-05-27 18:46:47) |

Under Take five (in Just Math) Posted on 2011-05-22 (2 Comments) |

| Left triangles by Math Man (2011-05-22 15:30:15) |

Under Will I get a dog? (in Logic) Posted on 2011-05-20 (6 Comments) |

| re: an answer to the question by Math Man (2011-05-24 22:08:19) |

Under Sloane will not help you (in Sequences) Posted on 2011-05-15 (4 Comments) |

| re(2): X and Y by Math Man (2011-05-16 20:25:33) |

| X and Y by Math Man (2011-05-15 22:14:02) |

Under The Search (in Cryptography) Posted on 2011-05-10 (9 Comments) |

| Yes! by Math Man (2011-06-02 18:55:13) |

| Last names by Math Man (2011-05-11 21:27:12) |

Under Not a fraction (in Just Math) Posted on 2011-04-11 (3 Comments) |

| The base by Math Man (2011-04-11 21:40:31) |

Under Almost equal (in Just Math) Posted on 2011-04-01 (10 Comments) |

| Equal numbers by Math Man (2011-04-01 21:16:09) |

Under Factor numbers (in Just Math) Posted on 2011-03-26 (5 Comments) |

| re: possible solution by Math Man (2011-03-27 19:23:40) |

Under Twice true (in Numbers) Posted on 2011-03-24 (3 Comments) |

| Solution! by Math Man (2011-03-30 16:52:31) |

Under Rational Rigor (in Just Math) Posted on 2011-03-22 (4 Comments) |

| Combine the terms? by Math Man (2011-03-22 20:35:00) |

Under Numerous Numeral Enumeration (in Just Math) Posted on 2011-03-20 (10 Comments) |

| Hmmmm... by Math Man (2011-03-20 20:05:16) |

Under My stock (in Numbers) Posted on 2011-03-19 (5 Comments) |

| solution by Math Man (2011-04-07 22:12:07) |

Under So many quintuplets... (in Just Math) Posted on 2011-03-17 (3 Comments) |

| Solution by Math Man (2011-03-17 17:32:03) |

Under Double Definite Dilemma (in Calculus) Posted on 2011-03-12 (2 Comments) |

| square roots by Math Man (2011-03-13 11:34:57) |

Under Get the last digit II (in Numbers) Posted on 2011-02-23 (4 Comments) |

| The digit by Math Man (2011-06-16 09:02:15) |

Under The Natives of Calendria (in Liars and Knights) Posted on 2011-02-10 (3 Comments) |

| Solution by Math Man (2011-02-12 13:08:42) |

Under Gold rush (in Liars and Knights) Posted on 2011-01-24 (3 Comments) |

| re: They might have said (Solution) by Math Man (2011-01-30 00:33:30) |

| Good puzzle by Math Man (2011-01-25 18:08:50) |

Under A sequence (in Sequences) Posted on 2011-01-14 (3 Comments) |

| Numbers and their values by Math Man (2017-07-30 21:23:01) |

Under I WONDER (in Logic) Posted on 2011-01-13 (10 Comments) |

| Hmmmmm... by Math Man (2011-01-13 21:18:53) |

Under A Song for the Season 3 (in General) Posted on 2011-01-11 (3 Comments) |

| Solution by Math Man (2011-01-11 22:25:31) |

Under Scarce primes (in Numbers) Posted on 2011-01-10 (10 Comments) |

| Repunits by Math Man (2011-01-10 17:40:22) |

Under No primes (in Numbers) Posted on 2011-01-08 (4 Comments) |

| Good! by Math Man (2011-01-11 18:52:15) |

Under Lucky seven III (in Just Math) Posted on 2011-01-05 (4 Comments) |

| A lot of 7's by Math Man (2011-01-05 15:28:21) |

Under only one (in Numbers) Posted on 2010-12-28 (3 Comments) |

| Answer by Math Man (2011-01-01 11:32:24) |

Under Seven come eleven (in Numbers) Posted on 2010-12-11 (12 Comments) |

| Answer for 7 digits by Math Man (2011-01-03 18:40:37) |

Under Sum and Square Root Sum (in Just Math) Posted on 2010-09-25 (3 Comments) |

| The solution by Math Man (2011-01-16 23:06:45) |

Under English and French (in Sequences) Posted on 2010-09-01 (7 Comments) |

| X is really W! by Math Man (2011-07-04 19:31:59) |

Under Anyway (in Numbers) Posted on 2010-08-16 (4 Comments) |

| Duplicate! by Math Man (2012-02-05 22:51:16) |

Under Fibo composes (in Sequences) Posted on 2010-07-21 (6 Comments) |

| Fibonacci primes by Math Man (2011-01-01 16:32:35) |

Under A Man At The Intersection (in Liars and Knights) Posted on 2009-10-31 (5 Comments) |

| Solutions by Math Man (2011-01-04 18:21:49) |

Under 5 Cards Magic Trick (in Logic) Posted on 2009-05-29 (7 Comments) |

| How to do it by Math Man (2013-07-12 14:31:17) |

Under Lucky and Unlucky Numbers (in Liars and Knights) Posted on 2009-02-01 (8 Comments) |

| Lucky solution by Math Man (2011-01-08 18:51:04) |

Under All in the Family (in Paradoxes) Posted on 2008-05-26 (10 Comments) |

| Answer by Math Man (2013-11-10 11:36:41) |

Under 4,4,4,4.... (in Sequences) Posted on 2007-07-31 (8 Comments) |

| The answer 4 the problem by Math Man (2012-12-26 17:53:41) |

Under Who Said What? (in Liars and Knights) Posted on 2007-05-17 (7 Comments) |

| Solution by Math Man (2011-01-02 12:51:08) |

Under Pages and Squires (in Liars and Knights) Posted on 2007-02-13 (7 Comments) |

| Answer by Math Man (2012-08-21 19:34:52) |

Under Hole-some Countries (in Word Problems) Posted on 2007-01-16 (10 Comments) |

| A country by Math Man (2019-02-26 12:59:48) |

Under A horse of a different color (in Liars and Knights) Posted on 2006-09-26 (20 Comments) |

| ' by Math Man (2011-09-10 17:01:25) |

Under Pandigital Sum (in Numbers) Posted on 2006-09-19 (5 Comments) |

| Numbers by Math Man (2017-03-10 14:25:06) |

Under As simple as it gets (in Liars and Knights) Posted on 2006-09-02 (6 Comments) |

| Solution by Math Man (2012-10-20 16:35:00) |

Under An Identity Problem (in Liars and Knights) Posted on 2006-08-17 (11 Comments) |

| P's and Q's by Math Man (2011-04-01 21:32:49) |

Under Weird function challenge (in Calculus) Posted on 2006-08-15 (33 Comments) |

| Function by Math Man (2015-12-21 19:52:59) |

Under The Paradox of Relativity (in Science) Posted on 2006-05-24 (10 Comments) |

| Solution by Math Man (2019-07-26 15:11:40) |

Under Sum to Infinity - 1 (in Sequences) Posted on 2006-03-11 (12 Comments) |

| Solution by Math Man (2015-12-30 20:00:51) |

Under Levik's Ride (in Word Problems) Posted on 2006-02-22 (26 Comments) |

| Answer by Math Man (2014-08-11 09:04:37) |

Under Expect the unexpected (in Paradoxes) Posted on 2006-02-15 (32 Comments) |

| Unexpected answer by Math Man (2014-02-19 17:41:09) |

| Expected answer by Math Man (2014-02-19 17:39:47) |

Under Silly Sphere (in Tricks) Posted on 2005-12-27 (9 Comments) |

| Answer by Math Man (2011-12-12 13:02:12) |

Under What number? (in Tricks) Posted on 2005-12-16 (6 Comments) |

| Answer by Math Man (2014-02-12 17:47:56) |

Under Odd people (in Liars and Knights) Posted on 2005-09-12 (13 Comments) |

| Odd solution by Math Man (2012-06-24 21:03:13) |

Under Skyscrapers (in General) Posted on 2005-09-07 (14 Comments) |

| Answer by Math Man (2020-01-08 17:38:23) |

Under Lively (in Riddles) Posted on 2005-08-03 (41 Comments) |

| Another answer by Math Man (2011-06-11 12:14:53) |

Under Professor Smith (in Liars and Knights) Posted on 2005-07-13 (16 Comments) |

| Solution by Math Man (2011-05-21 11:53:41) |

Under The death of Sir Levikus (in Logic) Posted on 2005-07-12 (101 Comments) |

| Whodunit? by Math Man (2017-11-12 21:40:54) |

Under Help ! (in Logic) Posted on 2005-07-07 (10 Comments) |

| Sample by Math Man (2012-09-15 11:09:32) |

Under Ask for help (in Liars and Knights) Posted on 2005-07-05 (41 Comments) |

| The Solution by Math Man (2013-06-17 18:22:27) |

Under Perplexing Polynomial Puzzle (in Numbers) Posted on 2005-06-13 (6 Comments) |

| Perplexing! by Math Man (2012-04-30 15:38:59) |

Under p(p(x)) (in Sequences) Posted on 2005-06-11 (8 Comments) |

| Next number by Math Man (2011-07-16 22:25:47) |

Under Are we odd for liking this? (in Cryptography) Posted on 2005-06-09 (12 Comments) |

| We are even! by Math Man (2012-03-07 09:31:45) |

Under Leaf's Code (in Riddles) Posted on 2005-05-24 (57 Comments) |

| re: EASY! by Math Man (2012-08-30 20:44:02) |

| EASY! by Math Man (2011-02-07 21:43:04) |

Under A Man Without Eyes (in Famous Riddles) Posted on 2005-05-10 (28 Comments) |

| Eye have the answer! by Math Man (2012-08-03 18:40:21) |

Under Create the equation (in Numbers) Posted on 2005-05-09 (10 Comments) |

| Solution by Math Man (2015-09-06 19:52:26) |

Under Calculators at the ready.... (in Sequences) Posted on 2005-04-30 (15 Comments) |

| re: Puzzle Solution by Math Man (2011-05-07 11:09:26) |

Under It is a riddle (in Riddles) Posted on 2005-04-13 (87 Comments) |

| Answer by Math Man (2011-05-28 09:32:26) |

Under It is infinite if it isn't? (in Paradoxes) Posted on 2005-04-12 (35 Comments) |

| Solution by Math Man (2013-03-11 09:54:50) |

Under Animal + Plant (in Word Problems) Posted on 2005-04-09 (16 Comments) |

| Animal plant by Math Man (2012-02-03 17:47:29) |

Under Two to the Three = Three to the Two? (in Numbers) Posted on 2005-03-22 (8 Comments) |

| Cool! by Math Man (2011-08-11 17:39:21) |

Under Prime Product Permutation (in Numbers) Posted on 2005-03-21 (4 Comments) |

| Primes! by Math Man (2011-01-20 20:45:30) |

Under How old did you say they were? (in Logic) Posted on 2005-03-03 (31 Comments) |

| Ages by Math Man (2011-07-07 15:50:25) |

Under Bulls and Cows (in Games) Posted on 2005-03-01 (10 Comments) |

| Solution by Math Man (2013-06-04 21:45:42) |

Under Wheelbarrow Race (in Riddles) Posted on 2005-02-22 (45 Comments) |

| Easy! by Math Man (2012-06-09 09:02:17) |

Under Lucky Numbers (in Numbers) Posted on 2005-02-19 (5 Comments) |

| Unlucky number by Math Man (2011-04-09 16:54:46) |

Under Going on vacation (in Logic) Posted on 2005-02-18 (43 Comments) |

| Eric's wife's name by Math Man (2012-12-08 11:43:58) |

| Soluition by Math Man (2012-12-08 11:40:02) |

Under Universal Order (in Sequences) Posted on 2005-02-07 (13 Comments) |

| Elementary! by Math Man (2014-03-16 10:56:02) |

Under A Rabbit ate the Carrots (in Numbers) Posted on 2005-02-05 (11 Comments) |

| Rabbit by Math Man (2011-03-08 21:31:30) |

Under Function(Function()) Finding (in Calculus) Posted on 2005-02-02 (12 Comments) |

| f(x) by Math Man (2013-05-14 12:22:27) |

Under Rectangular Logic (in Logic) Posted on 2005-01-28 (44 Comments) |

| Answer by Math Man (2014-04-02 20:52:39) |

Under Opposite synonyms (in Word Problems) Posted on 2005-01-28 (8 Comments) |

| A solution by Math Man (2012-11-17 21:41:27) |

Under A rainbow of haves and have-nots (in Word Problems) Posted on 2005-01-26 (14 Comments) |

| Answer by Math Man (2011-04-03 21:37:20) |

Under Voting power distribution (in General) Posted on 2005-01-24 (13 Comments) |

| Monotone functions by Math Man (2013-07-28 22:00:57) |

Under Another Simple Sequence (in Sequences) Posted on 2004-12-22 (10 Comments) |

| Solution by Math Man (2011-01-05 09:00:29) |

Under Guess my Number (in Logic) Posted on 2004-12-20 (32 Comments) |

| Yes and know by Math Man (2016-05-08 19:42:15) |

Under Many heads (in Probability) Posted on 2004-12-13 (6 Comments) |

| What? by Math Man (2011-06-27 21:49:06) |

| Solution by Math Man (2011-04-24 22:27:29) |

Under Kool Numbers (in Numbers) Posted on 2004-11-15 (10 Comments) |

| a by Math Man (2014-05-12 17:46:00) |

Under What comes next? (in Sequences) Posted on 2004-11-09 (9 Comments) |

| The 8th word by Math Man (2012-01-23 22:48:00) |

Under Flipping Coins (in Probability) Posted on 2004-10-13 (26 Comments) |

| Answers by Math Man (2015-01-19 08:47:53) |

Under My Many Friends (in General) Posted on 2004-10-05 (9 Comments) |

| Yay! by Math Man (2016-11-02 13:40:19) |

Under Interesting Sequence (3) (in Sequences) Posted on 2004-10-04 (9 Comments) |

| Answer by Math Man (2016-08-13 09:10:01) |

Under Guess my number (in Numbers) Posted on 2004-09-24 (22 Comments) |

| The number by Math Man (2017-06-04 21:17:34) |

Under Ages (in General) Posted on 2004-08-31 (10 Comments) |

| Solution by Math Man (2013-12-14 11:42:04) |

Under I recognise it..... .....A bit (in Sequences) Posted on 2004-08-27 (4 Comments) |

| Fibonacci? by Math Man (2012-02-15 22:25:57) |

Under How often does he lie? (in Probability) Posted on 2004-07-02 (6 Comments) |

| Given answer is wrong! by Math Man (2012-05-16 09:25:43) |

Under A square (in Numbers) Posted on 2004-06-25 (15 Comments) |

| Answer by Math Man (2017-05-08 12:25:33) |

Under my house's number (in Numbers) Posted on 2004-06-21 (32 Comments) |

| Answer by Math Man (2015-01-29 18:44:00) |

Under Mikhail's Sequence (in Sequences) Posted on 2004-06-13 (15 Comments) |

| Wrong number by Math Man (2011-02-26 11:24:56) |

Under Riddle of Scorn (in Riddles) Posted on 2004-06-01 (68 Comments) |

| Answer! by Math Man (2011-07-09 12:03:11) |

Under A Coin Game (in Probability) Posted on 2004-05-20 (12 Comments) |

| Solution by Math Man (2018-06-29 21:16:25) |

Under upside-down (in Word Problems) Posted on 2004-05-14 (9 Comments) |

| Upside down by Math Man (2012-03-17 10:03:33) |

Under kst (in Tricks) Posted on 2004-05-03 (14 Comments) |

| Kst! by Math Man (2011-04-14 22:44:46) |

Under 10 Sequences (in Sequences) Posted on 2004-04-23 (9 Comments) |

| Primes by Math Man (2011-01-10 22:09:47) |

Under A Family Gathering (in General) Posted on 2004-03-31 (11 Comments) |

| Answer by Math Man (2018-11-15 09:01:15) |

Under Club password (in General) Posted on 2004-03-29 (9 Comments) |

| Solution by Math Man (2012-09-30 22:26:08) |

Under Rickety Bridge (in Liars and Knights) Posted on 2004-03-26 (33 Comments) |

| Who? by Math Man (2014-07-20 10:29:03) |

Under The magic Number (in Numbers) Posted on 2004-03-17 (35 Comments) |

| Answer by Math Man (2012-04-01 21:04:57) |

Under Toggler and Triggler (in Games) Posted on 2004-03-12 (9 Comments) |

| Huh? by Math Man (2011-11-22 20:53:29) |

Under Next Numbers Please #2 (in Sequences) Posted on 2004-03-08 (8 Comments) |

| Answer in base 12 by Math Man (2013-09-03 23:24:13) |

Under XX (in Logic) Posted on 2004-03-07 (69 Comments) |

| XX by Math Man (2011-02-05 12:25:18) |

Under Unequally Yoked (in Numbers) Posted on 2004-02-26 (12 Comments) |

| Solution by Math Man (2015-03-14 08:41:40) |

Under Looking for n (in Numbers) Posted on 2004-02-24 (12 Comments) |

| Solution by Math Man (2011-08-22 10:57:10) |

Under Repeated addition (in Sequences) Posted on 2004-02-20 (14 Comments) |

| Yes! by Math Man (2011-01-19 18:13:36) |

Under The Black Hole (in Just Math) Posted on 2004-02-18 (12 Comments) |

| Answer by Math Man (2015-10-06 15:42:20) |

Under Letters to numbers (in Cryptography) Posted on 2004-02-13 (35 Comments) |

| Are you sure that it is not 84? by Math Man (2012-12-18 12:58:13) |

Under who will marry the princess (in Riddles) Posted on 2004-02-13 (95 Comments) |

| Solution by Math Man (2014-01-25 22:51:20) |

Under The three squirrels (in Numbers) Posted on 2004-02-12 (12 Comments) |

| Answer by Math Man (2014-05-20 21:43:05) |

Under A = B = AB (in Word Problems) Posted on 2004-02-10 (28 Comments) |

| A and B by Math Man (2013-11-22 11:27:13) |

Under Close Neighbors (in Numbers) Posted on 2004-02-05 (6 Comments) |

| Answer by Math Man (2012-07-05 09:06:37) |

Under The Prime Club (in Liars and Knights) Posted on 2004-02-03 (10 Comments) |

| Answer by Math Man (2012-02-26 12:04:29) |

Under A smart prisoner? (in Probability) Posted on 2004-01-08 (22 Comments) |

| The correct answer by Math Man (2014-11-22 18:30:07) |

Under Quiz Quandary (in Probability) Posted on 2003-12-26 (12 Comments) |

| Solution by Math Man (2018-08-26 13:16:45) |

Under Words In Common 10 (in Word Problems) Posted on 2003-12-15 (16 Comments) |

| Answers by Math Man (2020-06-14 14:52:21) |

Under Proof of Anything (in Logic) Posted on 2003-12-13 (44 Comments) |

| False implies anything by Math Man (2011-01-04 18:01:32) |

Under Lost the Key (in Logic) Posted on 2003-12-11 (18 Comments) |

| Answer by Math Man (2012-03-05 10:30:42) |

Under The Highest Grade (in Numbers) Posted on 2003-12-11 (15 Comments) |

| If grades always round down by Math Man (2017-01-03 13:43:34) |

| Quiz grades by Math Man (2016-01-21 20:39:55) |

Under Prime sequence (in Numbers) Posted on 2003-10-23 (14 Comments) |

| Answers by Math Man (2013-03-21 18:38:39) |

Under A Logic Accusation (in Logic) Posted on 2003-10-01 (17 Comments) |

| This should be in Liars and Knights. by Math Man (2014-08-03 15:03:00) |

Under Lumber Netters (in Numbers) Posted on 2003-09-08 (9 Comments) |

| #5 by Math Man (2011-02-03 18:30:14) |

| #1 by Math Man (2011-02-03 18:29:09) |

Under Number Quiz (in Numbers) Posted on 2003-08-28 (23 Comments) |

| Answer by Math Man (2015-08-25 19:14:12) |

Under Road Signs (in Riddles) Posted on 2003-08-27 (30 Comments) |

| Answer by Math Man (2019-12-08 12:37:40) |

Under The Amazing Shrinking Word (in Word Problems) Posted on 2003-08-19 (12 Comments) |

| Answer by Math Man (2011-06-25 23:05:07) |

Under Numbered Letters (in Word Problems) Posted on 2003-07-17 (28 Comments) |

| 100 by Math Man (2011-02-16 18:23:20) |

Under This man is real? (in Riddles) Posted on 2003-07-17 (25 Comments) |

| Funny! by Math Man (2011-04-18 13:39:50) |

Under Random Primes (in Probability) Posted on 2003-07-10 (9 Comments) |

| PI is not just for circles. by Math Man (2016-04-03 17:21:41) |

Under The Baseball Game (in Riddles) Posted on 2003-07-08 (50 Comments) |

| Solution by Math Man (2015-08-03 17:41:16) |

Under Letter Sequence (in Sequences) Posted on 2003-07-03 (8 Comments) |

| ! by Math Man (2011-07-27 17:25:37) |

Under No Room at the Inn (in Liars and Knights) Posted on 2003-06-25 (18 Comments) |

| Knaves by Math Man (2011-01-30 21:46:10) |

Under Mystery person (in Word Problems) Posted on 2003-06-25 (11 Comments) |

| Answer by Math Man (2013-07-23 11:38:27) |

Under Just Keep the Change (in Numbers) Posted on 2003-06-15 (13 Comments) |

| Solution by Math Man (2014-07-12 11:32:24) |

Under The last place (in Logic) Posted on 2003-06-13 (22 Comments) |

| Explanation by Math Man (2012-11-16 22:02:03) |

Under Number machine problem 1 (in Algorithms) Posted on 2003-06-08 (12 Comments) |

| Answer by Math Man (2014-06-23 20:32:09) |

Under No,no,no (in Paradoxes) Posted on 2003-06-04 (53 Comments) |

| Answer by Math Man (2011-01-06 14:06:47) |

Under All dogs are the same color! (in Paradoxes) Posted on 2003-05-30 (23 Comments) |

| Error! by Math Man (2011-10-13 20:59:15) |

Under The Strange Number (in Just Math) Posted on 2003-05-29 (9 Comments) |

| Solution by Math Man (2011-01-01 16:04:23) |

Under Knights,liars,and knaves (in Liars and Knights) Posted on 2003-05-26 (14 Comments) |

| Knights by Math Man (2011-06-17 22:53:42) |

Under Lopsided (in Riddles) Posted on 2003-05-23 (22 Comments) |

| Heavy thing by Math Man (2011-02-22 21:54:25) |

Under Unknown answers (in Liars and Knights) Posted on 2003-05-13 (13 Comments) |

| Answer by Math Man (2012-05-09 17:02:55) |

Under True Or False - Part 2 (in Paradoxes) Posted on 2003-05-07 (44 Comments) |

| Hey! by Math Man (2011-07-05 20:17:18) |

Under Large Number (in Just Math) Posted on 2003-05-06 (18 Comments) |

| Answer by Math Man (2011-08-25 20:51:51) |

Under Can 1 Dollar = 1 Cent (in Tricks) Posted on 2003-05-03 (26 Comments) |

| Error by Math Man (2011-03-01 21:43:08) |

Under Can Or Cannot (in Paradoxes) Posted on 2003-04-30 (109 Comments) |

| God! by Math Man (2012-02-22 22:54:34) |

Under Drew and Mohammad come back (in Liars and Knights) Posted on 2003-04-30 (27 Comments) |

| Same answer by Math Man (2013-03-16 22:27:55) |

Under Limit (in Tricks) Posted on 2003-04-28 (12 Comments) |

| What? by Math Man (2011-01-06 10:09:20) |

Under Generation Gap (in Just Math) Posted on 2003-04-25 (5 Comments) |

| Ages by Math Man (2012-11-13 11:06:32) |

Under Cool sequence 1 (in Sequences) Posted on 2003-04-24 (9 Comments) |

| Answer by Math Man (2019-10-11 07:32:51) |

Under Numbers And Words (in General) Posted on 2003-04-23 (22 Comments) |

| Big number by Math Man (2011-06-06 09:54:51) |

Under Cleopatra and Marc Anthony (in Riddles) Posted on 2003-04-22 (27 Comments) |

| Fishy solution by Math Man (2012-11-24 09:42:23) |

Under Drew and Mohammad (in Liars and Knights) Posted on 2003-04-08 (45 Comments) |

| Answer by Math Man (2011-03-24 20:24:27) |

| Answer for 7 digits by Math Man (2011-03-24 20:22:52) |

Under Murder down the street (in Riddles) Posted on 2003-04-03 (53 Comments) |

| Answer! by Math Man (2011-01-27 09:49:10) |

Under The Plan (in Logic) Posted on 2003-03-21 (16 Comments) |

| The Plan by Math Man (2012-07-25 19:41:45) |

Under Around The World (in Logic) Posted on 2003-03-20 (131 Comments) |

| Rupees by Math Man (2011-05-01 14:21:50) |

Under Hats off (in Logic) Posted on 2003-03-11 (16 Comments) |

| Answer by Math Man (2012-09-23 22:42:13) |

Under Riddle of the Sphinx (in Famous Riddles) Posted on 2003-03-11 (43 Comments) |

| Solution by Math Man (2019-05-03 18:33:22) |

Under Counting Stamps (in Numbers) Posted on 2003-03-06 (19 Comments) |

| re: Totally unrelated , but interesting by Math Man (2011-07-10 11:51:19) |

| Stamps by Math Man (2011-07-10 11:48:43) |

Under Too Old For Grandma (in Numbers) Posted on 2003-02-28 (16 Comments) |

| Answer by Math Man (2016-07-17 21:26:10) |

Under Funny business at the fountain (in Riddles) Posted on 2003-01-08 (8 Comments) |

| Answer by Math Man (2013-04-11 17:35:11) |

Under Sally's Silly Walk (in Tricks) Posted on 2003-01-07 (14 Comments) |

| Solution by Math Man (2019-08-24 10:25:52) |

Under Seconds in a year (in Tricks) Posted on 2003-01-06 (38 Comments) |

| Wait a second! by Math Man (2012-03-27 18:54:03) |

Under Hey coach, that's unfair! (in Probability) Posted on 2003-01-05 (8 Comments) |

| Answer by Math Man (2012-02-16 22:57:17) |

Under Girlfriend's name (in Riddles) Posted on 2003-01-02 (17 Comments) |

| Name by Math Man (2013-01-23 09:31:45) |

Under Brothers and Sisters (in Famous Riddles) Posted on 2002-12-30 (54 Comments) |

| Solution by Math Man (2011-06-14 22:59:27) |

Under Meet me at the lake (in General) Posted on 2002-12-29 (13 Comments) |

| Meeting by Math Man (2015-04-20 16:27:56) |

Under Important Day (in Riddles) Posted on 2002-12-29 (19 Comments) |

| It is almost an important day. by Math Man (2014-03-08 16:07:21) |

Under Quick Brown Fox (in Riddles) Posted on 2002-12-07 (27 Comments) |

| Fun sentence! by Math Man (2012-04-05 20:33:27) |

Under In the Act (in General) Posted on 2002-11-25 (15 Comments) |

| Lol by Math Man (2016-06-09 06:34:43) |

Under A locked 7-11?! (in Riddles) Posted on 2002-11-11 (27 Comments) |

| Bad person by Math Man (2013-12-26 22:32:13) |

Under Square of an Odd (in Numbers) Posted on 2002-10-06 (20 Comments) |

| Answer by Math Man (2013-06-10 16:51:54) |

Under How many letters? (in Riddles) Posted on 2002-09-04 (47 Comments) |

| Number of letters by Math Man (2012-12-05 13:22:02) |

Under Prime Pairs (in Numbers) Posted on 2002-09-01 (8 Comments) |

| This is D1, not D4! by Math Man (2013-01-24 20:37:24) |

Under Primary Problem (in Just Math) Posted on 2002-08-21 (13 Comments) |

| Infinite primes by Math Man (2011-02-04 22:08:10) |

Under A locked safe (in Logic) Posted on 2002-07-16 (42 Comments) |

| Solution by Math Man (2012-10-14 22:09:00) |

Under Self-Descriptor (in Numbers) Posted on 2002-07-10 (14 Comments) |

| A solution by Math Man (2011-05-30 11:09:14) |

Under A grid of people (in General) Posted on 2002-07-09 (15 Comments) |

| Solution by Math Man (2012-01-13 22:35:17) |

Under Equation games (in Just Math) Posted on 2002-07-03 (24 Comments) |

| Aha! by Math Man (2011-08-06 00:08:26) |

Under Mutually friendly (in Logic) Posted on 2002-07-01 (11 Comments) |

| Mutual friends by Math Man (2011-04-25 20:08:22) |

Under Old man - older problem (in Logic) Posted on 2002-06-28 (16 Comments) |

| The chicken by Math Man (2017-11-01 21:11:38) |

Under The Camping Trip (in Liars and Knights) Posted on 2002-06-23 (15 Comments) |

| Thomas and Richard by Math Man (2012-09-10 14:25:58) |

Under Bob's Hat (in Liars and Knights) Posted on 2002-06-13 (11 Comments) |

| Bob's hat by Math Man (2013-05-01 14:03:11) |

Under The three friends (in Liars and Knights) Posted on 2002-06-11 (13 Comments) |

| Honest Abe by Math Man (2012-08-23 10:33:50) |

Under Twins (in Riddles) Posted on 2002-05-29 (26 Comments) |

| Answer. by Math Man (2012-04-12 15:34:56) |

Under Yum, arsenic! (in Logic) Posted on 2002-05-29 (10 Comments) |

| Plan by Math Man (2011-01-26 18:10:54) |

Under The guilty demon (in Paradoxes) Posted on 2002-05-29 (37 Comments) |

| Pi by Math Man (2012-04-14 14:16:29) |

Under A blue taxi (in Probability) Posted on 2002-05-24 (17 Comments) |

| Blue's Clues by Math Man (2011-09-23 16:00:41) |

Under Who has the key? (in Liars and Knights) Posted on 2002-05-17 (17 Comments) |

| Answer by Math Man (2020-03-14 21:01:43) |

Under Digits (in Sequences) Posted on 2002-05-14 (15 Comments) |

| answer by Math Man (2011-06-03 16:37:18) |

Under The (in)famous Barber (in Paradoxes) Posted on 2002-05-14 (35 Comments) |

| Answer by Math Man (2015-05-16 19:12:43) |

Under Weekend Rider (in Riddles) Posted on 2002-05-09 (17 Comments) |

| Solution by Math Man (2013-02-03 22:55:55) |

Under The three sages (in Logic) Posted on 2002-05-05 (12 Comments) |

| Answer by Math Man (2013-08-31 20:43:50) |

Under Class act (in Numbers) Posted on 2002-05-02 (16 Comments) |

| Solution by Math Man (2019-07-13 20:26:58) |

Under A trial (in Liars and Knights) Posted on 2002-05-02 (9 Comments) |

| The guilty person by Math Man (2013-02-11 11:25:20) |

Under Erasing digits (in Numbers) Posted on 2002-04-27 (9 Comments) |

| the digit by Math Man (2012-09-27 20:12:23) |

Under Getting to the Knights' city (in Liars and Knights) Posted on 2002-04-26 (17 Comments) |

| Answer by Math Man (2014-03-01 13:00:33) |

Under Move the 2 - double the number (in Numbers) Posted on 2002-04-19 (10 Comments) |

| The number by Math Man (2015-11-08 19:30:18) |

Under A crazy passenger (in Probability) Posted on 2002-04-18 (16 Comments) |

| Solution by Math Man (2018-10-20 14:36:32) |

Under Simple coins (in Probability) Posted on 2002-04-09 (45 Comments) |

| Answer by Math Man (2013-01-05 13:54:19) |

Under Burning ropes (in Logic) Posted on 2002-03-28 (13 Comments) |

| First puzzle by Math Man (2012-05-11 21:03:09) |