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Comment Search results for posted by broll :
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Difficulty: 3 of 5Under Pythagorean areas (in Numbers)
Posted on 2017-11-17 (7 Comments)
An example by broll (2017-11-17 21:44:56)
Difficulty: 3 of 5Under Square triplets (in Just Math)
Posted on 2017-11-05 (2 Comments)
Some Thoughts Generalisation by broll (2017-11-06 08:54:34)
Difficulty: 3 of 5Under Does it continue? 10: Alternate differences (in Numbers)
Posted on 2017-10-07 (2 Comments)
Some Thoughts Thoughts by broll (2017-10-07 11:34:32)
Difficulty: 3 of 5Under Does it continue? 9: Diophantine friends (in Numbers)
Posted on 2017-10-03 (1 Comments)
Some Thoughts Thoughts, no proof. by broll (2017-10-04 00:29:57)
Difficulty: 3 of 5Under Does it continue? 6: Partial sums (in Numbers)
Posted on 2017-09-25 (7 Comments)
re(2): Possible solution by broll (2017-09-25 22:14:56)
Possible solution by broll (2017-09-25 13:51:34)
Difficulty: 3 of 5Under Does it continue? 5: powers of 2 (in Numbers)
Posted on 2017-09-24 (6 Comments)
Got me. by broll (2017-09-24 23:05:09)
Difficulty: 3 of 5Under Does it continue? 4: Euclid's next prime (in Numbers)
Posted on 2017-09-21 (3 Comments)
Some Thoughts Prediction and result by broll (2017-09-21 22:47:03)
Difficulty: 3 of 5Under Does it continue? 3: Growing table of primes (in Numbers)
Posted on 2017-09-19 (3 Comments)
Prediction and result. by broll (2017-09-19 22:26:08)
Difficulty: 3 of 5Under Does it continue? 2: Prime or not? (in Numbers)
Posted on 2017-09-16 (6 Comments)
re(3): Does it continue? by broll (2017-09-23 23:06:44)
re: Does it continue? by broll (2017-09-17 23:05:37)
Some Thoughts Yes and no. by broll (2017-09-17 00:53:50)
Difficulty: 4 of 5Under Parallelograms (in Geometry)
Posted on 2017-09-09 (5 Comments)
Some Thoughts Possible approach by broll (2017-09-19 09:56:07)
Difficulty: 3 of 5Under Bob and Alice make a poor choice (in Numbers)
Posted on 2017-08-11 (7 Comments)
re(2): Method? by broll (2017-08-12 04:12:55)
Method? by broll (2017-08-11 22:18:04)
Difficulty: 4 of 5Under A unique Heronian triangle (in Geometry)
Posted on 2017-08-05 (6 Comments)
Hints/Tips re(3): easy - spoiler by broll (2017-08-06 07:16:36)
re: easy - spoiler by broll (2017-08-06 00:31:28)
Difficulty: 3 of 5Under An ambiguous inheritance (in Just Math)
Posted on 2017-07-25 (4 Comments)
Interesting by broll (2017-07-25 22:27:43)
Difficulty: 3 of 5Under 38s and Bunches of 1s (in Numbers)
Posted on 2017-06-30 (7 Comments)
Some Thoughts re: Another way of seeing part of it by broll (2017-06-30 23:14:23)
Solution Nice problem by broll (2017-06-30 10:38:00)
Difficulty: 3 of 5Under Pythagoras' corner (in Geometry)
Posted on 2017-06-16 (3 Comments)
Some Thoughts Cutting Corners? by broll (2017-06-17 07:03:51)
Difficulty: 2 of 5Under Unbalanced?- No problem (in Weights and Scales)
Posted on 2017-05-30 (7 Comments)
Some Thoughts Ahhh! by broll (2017-05-30 11:50:11)
Difficulty: 4 of 5Under Oleg or Erdös? (in Games)
Posted on 2017-05-26 (8 Comments)
Erdös wins! by broll (2017-05-28 02:07:12)
Difficulty: 3 of 5Under Higher Powers of Eleven (in Numbers)
Posted on 2017-05-24 (4 Comments)
Closed form by broll (2017-05-26 00:06:45)
Difficulty: 2 of 5Under Four balls (in Probability)
Posted on 2017-05-19 (22 Comments)
Some Thoughts re: Who's right? by broll (2017-05-20 02:56:51)
Difficulty: 3 of 5Under No software allowed ! (in Numbers)
Posted on 2017-05-07 (6 Comments)
Some Thoughts re(2): New solutions not relatively prime by broll (2017-05-08 06:39:33)
Difficulty: 3 of 5Under Is it a conic? (in Geometry)
Posted on 2017-04-19 (7 Comments)
re: Pen and acrylics by broll (2017-04-19 12:46:46)
Some Thoughts Coloured thread by broll (2017-04-19 11:49:05)
Difficulty: 3 of 5Under Pandigital and square (in Numbers)
Posted on 2017-04-15 (6 Comments)
Some Thoughts re: Pencil and Paper solution (spoiler) by broll (2017-04-15 23:44:09)
Difficulty: 3 of 5Under Names in Boxes (in Logic)
Posted on 2017-04-09 (10 Comments)
re(2): This is not possible - further thoughts. by broll (2017-04-12 16:09:14)
Some Thoughts re: This is not possible. by broll (2017-04-12 02:36:48)
Difficulty: 3 of 5Under Over 18 (in Sequences)
Posted on 2017-03-29 (3 Comments)
Some Thoughts Lateral approach by broll (2017-03-30 10:21:30)
Difficulty: 1 of 5Under QUICKIE X (in Just Math)
Posted on 2017-03-28 (3 Comments)
Some Thoughts Solution by broll (2017-03-28 12:59:57)
Difficulty: 2 of 5Under Why is it D2? (in Numbers)
Posted on 2017-03-27 (4 Comments)
Solution Answer (spoiler) by broll (2017-03-27 09:13:20)
Difficulty: 4 of 5Under Never a square (in Numbers)
Posted on 2017-02-26 (5 Comments)
Solution re(4): Poossible solution...very creative! by broll (2017-03-04 08:40:33)
Some Thoughts re(2): Poossible solution...very creative! by broll (2017-02-27 05:02:09)
Some Thoughts Poossible solution by broll (2017-02-27 01:21:33)
Difficulty: 3 of 5Under Square expressions (in Numbers)
Posted on 2017-02-18 (3 Comments)
Hints/Tips A solution by broll (2017-02-20 09:20:47)
Difficulty: 4 of 5Under Placing 4 integers within a set interval (in Just Math)
Posted on 2017-02-17 (4 Comments)
Some Thoughts re(2): Is this the idea? by broll (2017-02-20 00:52:17)
Some Thoughts Is this the idea? by broll (2017-02-19 09:25:51)
Difficulty: 3 of 5Under The Almost Pythagorean Theorem (in Calculus)
Posted on 2017-02-03 (1 Comments)
Some Thoughts Solution only. by broll (2017-02-04 00:10:45)
Difficulty: 2 of 5Under When is it a square? (in Just Math)
Posted on 2017-01-15 (1 Comments)
Solution Solution by broll (2017-01-15 08:07:54)
Difficulty: 4 of 5Under Square OR 2*square (in Numbers)
Posted on 2017-01-14 (2 Comments)
Solution Solution by broll (2017-01-15 00:27:32)
Difficulty: 3 of 5Under Site Seeing II (in Word Problems)
Posted on 2017-01-05 (1 Comments)
Solution Solution (spoiler) by broll (2017-01-05 10:27:40)
Difficulty: 2 of 5Under Which is the biggest? (in Numbers)
Posted on 2017-01-02 (2 Comments)
Some Thoughts Another approach by broll (2017-01-02 22:16:44)
Difficulty: 4 of 5Under Congruent Incircles (in Geometry)
Posted on 2017-01-01 (6 Comments)
Some Thoughts Solution by construction by broll (2017-01-01 11:33:55)
Difficulty: 2 of 5Under Topical Quotation IV (in Word Problems)
Posted on 2016-12-29 (2 Comments)
Some Thoughts Possible Solution (Spoiler) by broll (2016-12-29 11:07:47)
Difficulty: 3 of 5Under Sphere-Cone (in Calculus)
Posted on 2016-12-25 (2 Comments)
Some Thoughts Possible solution by broll (2016-12-25 08:56:05)
Difficulty: 3 of 5Under One to rule them all. (in Sequences)
Posted on 2016-12-18 (3 Comments)
Some Thoughts re: Unproven formula by broll (2016-12-18 21:36:10)
Difficulty: 2 of 5Under It's all in the stars (in Just Math)
Posted on 2016-12-14 (2 Comments)
Some Thoughts A counterexample. by broll (2016-12-14 22:35:32)
Difficulty: 3 of 5Under Pentagon Partitions (in Shapes)
Posted on 2016-12-11 (3 Comments)
Solution A solution (spoiler) by broll (2016-12-11 12:05:24)
Difficulty: 2 of 5Under Animal/Vegetable/Mineral (in Word Problems)
Posted on 2016-12-05 (2 Comments)
Solution Solution (Spoiler) by broll (2016-12-05 22:00:44)
Difficulty: 3 of 5Under 26 out of 50 (in Just Math)
Posted on 2016-11-25 (10 Comments)
re(2): The solution is in the problem.==>not so by broll (2016-11-25 21:37:49)
Solution The solution is in the problem. by broll (2016-11-25 13:26:35)
Difficulty: 2 of 5Under Prime repunits (in Numbers)
Posted on 2016-11-24 (4 Comments)
Non-trivial. by broll (2016-11-25 22:20:47)
Difficulty: 3 of 5Under Linear*Quadratic = Square (in Just Math)
Posted on 2016-11-12 (2 Comments)
Analytic Exploration. by broll (2016-11-12 20:53:58)
Difficulty: 3 of 5Under 63 Division Decision (in Just Math)
Posted on 2016-11-10 (3 Comments)
Solution re: computer solution by broll (2016-11-10 21:46:05)
Difficulty: 2 of 5Under Simultaneous Settlement V (in Just Math)
Posted on 2016-10-24 (2 Comments)
Some Thoughts A little shorter by broll (2016-10-24 11:10:39)
Difficulty: 4 of 5Under Prime and Twice Square (in Just Math)
Posted on 2016-10-22 (4 Comments)
Possible solution. by broll (2016-10-23 22:37:56)
Difficulty: 3 of 5Under Ratio Resolution IV (in Weights and Scales)
Posted on 2016-10-20 (3 Comments)
Some Thoughts '[p(n-1)+qn] : [pn + q(n-1)]' by broll (2016-10-21 10:51:39)
Difficulty: 3 of 5Under Positively Positive (in Just Math)
Posted on 2016-10-18 (7 Comments)
Some Thoughts Another way. by broll (2016-10-19 06:19:44)
Difficulty: 3 of 5Under Prove Phi's Peculiar Property (in Numbers)
Posted on 2016-10-17 (3 Comments)
Some Thoughts Possible solution by broll (2016-10-18 05:25:42)
Difficulty: 3 of 5Under Pythagorean Legs (in Just Math)
Posted on 2016-10-13 (3 Comments)
re(2): A solution by broll (2016-10-14 08:50:29)
Solution A solution by broll (2016-10-14 01:22:20)
Difficulty: 3 of 5Under Perfect Square and Odd Puzzle (in Just Math)
Posted on 2016-10-04 (1 Comments)
Some Thoughts Possible solution by broll (2016-10-05 04:13:49)
Difficulty: 3 of 5Under Unit Cube Paint Undertaking (in Shapes)
Posted on 2016-09-28 (6 Comments)
re(2): Considering all the possibilities by broll (2016-09-29 11:10:44)
re(2): Interesting. by broll (2016-09-28 23:47:50)
Some Thoughts Interesting. by broll (2016-09-28 12:17:39)
Difficulty: 2 of 5Under Cryptajoke XVI (in Word Problems)
Posted on 2016-09-28 (2 Comments)
Hints/Tips Top Marx by broll (2016-09-28 08:29:23)
Difficulty: 3 of 5Under Find Function From Fraction (in Just Math)
Posted on 2016-09-22 (3 Comments)
Some Thoughts Possible solution by broll (2016-09-28 04:06:00)
Difficulty: 1 of 5Under Biting the Apple (in Tricks)
Posted on 2016-09-21 (3 Comments)
Some Thoughts One way to do it by broll (2016-09-21 07:52:08)
Difficulty: 3 of 5Under The triple threat (in Tricks)
Posted on 2016-09-13 (2 Comments)
Some Thoughts Marked deck by broll (2016-09-16 01:34:36)
Difficulty: 3 of 5Under Diophantine Pair Decision (in Just Math)
Posted on 2016-08-13 (3 Comments)
Solution Possible solution by broll (2016-08-14 05:01:27)
Difficulty: 4 of 5Under Translate a ledger entry (in Word Problems)
Posted on 2016-08-12 (4 Comments)
re: in translation by broll (2016-08-13 01:39:07)
No spoiler. by broll (2016-08-12 12:23:46)
Difficulty: 3 of 5Under 1-2-3-4 Square (in Geometry)
Posted on 2016-08-12 (3 Comments)
Some Thoughts One solution by broll (2016-08-12 09:30:13)
Difficulty: 2 of 5Under Form 21 n Times II (in Numbers)
Posted on 2016-08-11 (5 Comments)
Some Thoughts Possible solution by broll (2016-08-11 09:40:11)
Difficulty: 3 of 5Under A Sum of Consecutive Square Roots (in Just Math)
Posted on 2016-08-10 (1 Comments)
Some Thoughts Possible solution by broll (2016-08-10 08:48:31)
Difficulty: 3 of 5Under Find additional pairs (in Just Math)
Posted on 2016-08-08 (5 Comments)
General solution by broll (2016-08-09 07:18:39)
Difficulty: 4 of 5Under Divisibility to Square II (in Just Math)
Posted on 2016-08-07 (2 Comments)
Some Thoughts Possible solution by broll (2016-08-08 00:30:54)
Difficulty: 3 of 5Under Remainder Resolution from Multiple (in Just Math)
Posted on 2016-08-04 (5 Comments)
Some Thoughts answer only by broll (2016-08-04 08:59:58)
Some Thoughts answer only by broll (2016-08-04 08:59:53)
Difficulty: 3 of 5Under 15 Triominoes (in Shapes)
Posted on 2016-07-26 (4 Comments)
Aimpler case. by broll (2016-07-26 22:34:32)
Difficulty: 3 of 5Under Indivisibility by 529 (in Just Math)
Posted on 2016-07-25 (3 Comments)
Brute force. by broll (2016-07-25 14:38:59)
Difficulty: 2 of 5Under Cute numbers (in Numbers)
Posted on 2016-07-21 (5 Comments)
short review by broll (2016-07-21 23:16:01)
Difficulty: 3 of 5Under Primes divide expression? (in Just Math)
Posted on 2016-07-20 (2 Comments)
Some Thoughts Nice problem by broll (2016-07-21 00:05:20)
Difficulty: 3 of 5Under Triangle Cover Treat (in Shapes)
Posted on 2016-07-16 (3 Comments)
re: Solution by broll (2016-07-16 11:05:43)
Some Thoughts Possible solution by broll (2016-07-16 07:52:05)
Difficulty: 2 of 5Under Prove SG's theorem (in Just Math)
Posted on 2016-07-12 (3 Comments)
Some Thoughts Not too hard. by broll (2016-07-12 10:33:01)
Difficulty: 3 of 5Under Who said it? (in Cryptography)
Posted on 2016-07-04 (1 Comments)
Some Thoughts Lin Yutang, he say... by broll (2016-07-04 11:00:17)
Difficulty: 3 of 5Under Quadrilateral Area Query 2 (in Shapes)
Posted on 2016-07-03 (3 Comments)
Some Thoughts Possible approach. by broll (2016-07-03 08:38:38)
Difficulty: 3 of 5Under Lattice Vertices Verification (in Shapes)
Posted on 2016-07-02 (4 Comments)
re(3): Solution by broll (2016-07-03 23:34:25)
Some Thoughts re: Solution by broll (2016-07-03 06:36:06)
Difficulty: 3 of 5Under Pentagonal triple triangles (in Geometry)
Posted on 2016-07-01 (4 Comments)
Some Thoughts Second part. by broll (2016-07-01 10:54:34)
Some Thoughts Observations on first part. by broll (2016-07-01 09:49:50)
Difficulty: 3 of 5Under Skip to 4th power (in Numbers)
Posted on 2016-06-27 (4 Comments)
Some Thoughts Possible solution by broll (2016-06-28 00:39:20)
Difficulty: 3 of 5Under Sum Number and Reversal (in Just Math)
Posted on 2016-06-24 (5 Comments)
re: No Subject by broll (2016-06-26 04:17:46)
Difficulty: 2 of 5Under Capital City Conclusion 2 (in Word Problems)
Posted on 2016-06-23 (4 Comments)
Some Thoughts Two of them by broll (2016-06-23 08:23:24)
Difficulty: 3 of 5Under 2016 and Perfect Square Puzzle (in Just Math)
Posted on 2016-06-22 (4 Comments)
re(2): Man way by broll (2016-06-24 04:16:32)
Difficulty: 3 of 5Under Objective: Integer! (in Geometry)
Posted on 2016-06-14 (4 Comments)
Interesting by broll (2016-06-15 02:45:45)
Hints/Tips Comment as discussed earlier by broll (2016-06-14 11:12:55)
Difficulty: 3 of 5Under Real Variable Validation (in Just Math)
Posted on 2016-06-11 (4 Comments)
Some Thoughts re: Solution by broll (2016-06-12 05:13:37)
Solution re(2): Solution by broll (2016-06-12 03:52:07)
Difficulty: 3 of 5Under Infinitely Diophantine (in Just Math)
Posted on 2016-06-10 (2 Comments)
Some Thoughts Two solutions by broll (2016-06-10 08:02:21)
Difficulty: 3 of 5Under Isosceles Leg Length (in Shapes)
Posted on 2016-06-09 (6 Comments)
Some Thoughts re: 3 Solutions to an impossible task by broll (2016-07-04 02:37:29)
Some Thoughts Well-explained by broll (2016-06-11 20:50:40)
Some Thoughts A problem by broll (2016-06-10 01:40:25)
Difficulty: 3 of 5Under One of these things is not like the others.. (in Word Problems)
Posted on 2016-06-07 (5 Comments)
Hints/Tips A clue by broll (2016-06-07 23:07:33)
Difficulty: 4 of 5Under Divisible by 96? (in Just Math)
Posted on 2016-06-05 (2 Comments)
Solution possible solution by broll (2016-06-05 12:28:07)
Difficulty: 2 of 5Under No fours on my odometer (in Just Math)
Posted on 2016-06-02 (2 Comments)
Some Thoughts Possible solution. by broll (2016-06-02 08:13:37)
Difficulty: 3 of 5Under A direct count (in Famous Riddles)
Posted on 2016-05-19 (4 Comments)
Some Thoughts re: Hint by broll (2016-05-19 11:22:47)
Difficulty: 2 of 5Under Cryptajoke XIV (in Cryptography)
Posted on 2016-05-06 (2 Comments)
Solution Answer (spoiler) by broll (2016-05-06 08:04:42)
Difficulty: 2 of 5Under You'll be surprised (in Numbers)
Posted on 2016-05-03 (5 Comments)
re(2): Answer only by broll (2016-05-03 11:48:37)
Solution Answer only by broll (2016-05-03 07:47:15)
Difficulty: 2 of 5Under One and only (in Numbers)
Posted on 2016-04-28 (4 Comments)
Possible approach by broll (2016-04-28 08:49:47)
Difficulty: 3 of 5Under The heavy couple (in Weights and Scales)
Posted on 2016-04-22 (5 Comments)
re(2): Quite a few. by broll (2016-04-23 10:14:49)
Some Thoughts Quite a few. by broll (2016-04-23 03:40:48)
Difficulty: 3 of 5Under Cubic Diophantine Conclusion (in Just Math)
Posted on 2016-04-22 (9 Comments)
re(3): Start by broll (2016-04-23 10:27:09)
Some Thoughts re: Start by broll (2016-04-22 23:36:04)
Difficulty: 4 of 5Under A clever promotion (in Cryptography)
Posted on 2016-04-21 (2 Comments)
Solution D4! - Well maybe. by broll (2016-04-21 22:49:42)
Difficulty: 3 of 5Under Asteroid walk (in General)
Posted on 2016-04-19 (8 Comments)
Some Thoughts re: Meaning of by broll (2016-04-28 09:18:19)
re: A possible solution (2) by broll (2016-04-21 21:56:20)
re: an possible solution by broll (2016-04-20 09:55:30)
re: question by broll (2016-04-19 23:50:38)
Difficulty: 3 of 5Under Three ways - same sum (in Numbers)
Posted on 2016-04-14 (3 Comments)
re: computer solution by broll (2016-04-14 11:37:24)
Solution Solution by broll (2016-04-14 09:03:34)
Difficulty: 3 of 5Under 2 equal sums (in Just Math)
Posted on 2016-04-11 (3 Comments)
Solution re(2): computer exploration -- possible spoiler by broll (2016-04-12 00:17:29)
Difficulty: 2 of 5Under Extreme Palindrome Exercise (in Just Math)
Posted on 2016-04-11 (3 Comments)
Some Thoughts re: Analytic solution by broll (2016-04-11 09:32:51)
Difficulty: 3 of 5Under Quadrilateral Area Query (in Shapes)
Posted on 2016-04-10 (2 Comments)
Some Thoughts re: Long Solution by broll (2016-04-11 05:15:12)
Difficulty: 2 of 5Under Tenacious Divisibility Treat (in Just Math)
Posted on 2016-04-06 (9 Comments)
Solution re: Help from a negative (solution) by broll (2016-04-07 06:14:49)
Some Thoughts Not sure by broll (2016-04-06 09:37:19)
Difficulty: 3 of 5Under Quadratic and Quintic Query (in Just Math)
Posted on 2016-03-26 (2 Comments)
re: A start by broll (2016-03-26 09:54:13)
Difficulty: 3 of 5Under Sum from Arithmetic and Geometric (in Sequences)
Posted on 2016-03-24 (5 Comments)
Solution I agree. by broll (2016-03-24 23:07:43)
Difficulty: 2 of 5Under GCD of Fibonacci 2 (in Numbers)
Posted on 2016-03-23 (2 Comments)
Some Thoughts re: possible solution by broll (2016-03-24 00:09:54)
Difficulty: 4 of 5Under Not so trivial (in Numbers)
Posted on 2016-03-18 (6 Comments)
Answer. by broll (2016-03-19 01:23:15)
Some Thoughts A question. by broll (2016-03-19 00:50:00)
Difficulty: 3 of 5Under Same area (in Shapes)
Posted on 2016-03-15 (2 Comments)
Some Thoughts Possible solution by broll (2016-03-16 05:22:07)
Difficulty: 3 of 5Under Countable sets (in Just Math)
Posted on 2016-03-15 (8 Comments)
re(2): Interesting by broll (2016-03-16 10:58:52)
Interesting by broll (2016-03-16 08:51:25)
Difficulty: 3 of 5Under The sum is a square (in Numbers)
Posted on 2016-03-04 (2 Comments)
Some Thoughts possible solution by broll (2016-03-05 01:22:05)
Difficulty: 3 of 5Under On Track (in Just Math)
Posted on 2016-02-29 (7 Comments)
Some Thoughts Generalisation. by broll (2016-03-01 09:52:34)
Solution Solution by broll (2016-03-01 05:24:56)
Difficulty: 2 of 5Under Find the sum (in Just Math)
Posted on 2016-02-29 (2 Comments)
Solution Solution by broll (2016-02-29 08:25:26)
Difficulty: 3 of 5Under Three Ways to Put a Square in a Triangle (in Shapes)
Posted on 2016-02-26 (8 Comments)
re: My solution by broll (2016-02-27 22:16:56)
Solution re: Haha. by broll (2016-02-27 07:47:04)
Some Thoughts Haha. by broll (2016-02-27 06:36:01)
Difficulty: 4 of 5Under Optimal Order (in Sequences)
Posted on 2016-02-10 (5 Comments)
re(3): This should work by broll (2016-02-14 20:36:16)
Difficulty: 3 of 5Under Three in a row (in Numbers)
Posted on 2016-02-08 (3 Comments)
Solution Not all of them (partial spoiler) by broll (2016-02-09 01:33:32)
Difficulty: 2 of 5Under Fifty-fifty (in Just Math)
Posted on 2016-02-05 (2 Comments)
Some Thoughts possible approach by broll (2016-02-05 09:10:36)
Difficulty: 1 of 5Under Word Grid (in Word Problems)
Posted on 2016-02-04 (6 Comments)
re(3): partial spoiler @ broll. by broll (2016-02-04 22:22:50)
Some Thoughts partial spoiler. by broll (2016-02-04 09:27:48)
Difficulty: 3 of 5Under Mille and Remainder Resolution (in Sequences)
Posted on 2016-02-01 (3 Comments)
Some Thoughts re: spoiler solution; can it clue toward the intended method? by broll (2016-02-02 08:54:27)
Difficulty: 3 of 5Under N Nine Nuance (in Just Math)
Posted on 2016-01-29 (6 Comments)
re(2): possible solution by broll (2016-01-29 11:16:28)
Some Thoughts possible solution by broll (2016-01-29 09:30:19)
Difficulty: 3 of 5Under Erase the right 90 (in Numbers)
Posted on 2016-01-28 (5 Comments)
Solution I got it by broll (2016-01-29 08:55:48)
Some Thoughts re: proof on the internet (spoiler) by broll (2016-01-29 07:37:57)
Difficulty: 3 of 5Under Find the next two numbers (in Sequences)
Posted on 2016-01-21 (4 Comments)
Some Thoughts or... by broll (2016-01-21 09:41:05)
Difficulty: 3 of 5Under Three Power Verification (in Just Math)
Posted on 2016-01-20 (4 Comments)
re(2): Solution by broll (2016-01-21 09:21:05)
Solution by broll (2016-01-20 22:28:29)
Difficulty: 4 of 5Under Detect my chosen coin (in Games)
Posted on 2016-01-19 (19 Comments)
re(4): Suggested wording for solution. by broll (2016-02-04 23:45:52)
Some Thoughts re: Suggested wording for solution. by broll (2016-02-04 02:29:51)
re(2): Some NEW ideas: HINT by broll (2016-01-26 03:34:27)
Difficulty: 3 of 5Under Powered GCD (in Numbers)
Posted on 2016-01-19 (1 Comments)
Solution Solution. by broll (2016-01-19 08:39:20)
Difficulty: 3 of 5Under Composite Integer Conclusion (in Just Math)
Posted on 2016-01-18 (2 Comments)
Not in the least sure. by broll (2016-01-18 10:44:24)
Difficulty: 4 of 5Under Product equals sum (in Just Math)
Posted on 2016-01-17 (6 Comments)
re(2): A continuation by broll (2016-01-18 11:03:48)
Difficulty: 3 of 5Under Family tree (in Logic)
Posted on 2016-01-15 (2 Comments)
Some Thoughts A multi-ethnic family. by broll (2016-01-15 09:47:37)
Difficulty: 3 of 5Under Maximum Value Muse (in Just Math)
Posted on 2016-01-14 (10 Comments)
re: Square Thoughts by broll (2016-01-15 10:13:36)
Some Thoughts Hmmm. by broll (2016-01-14 23:09:18)
Difficulty: 4 of 5Under Primevens and primeodds (in Numbers)
Posted on 2016-01-10 (8 Comments)
re(5): some stats extended by broll (2016-01-11 23:15:22)
Some Thoughts some thoughts. by broll (2016-01-10 12:30:36)
Difficulty: 2 of 5Under A math symbol (in Numbers)
Posted on 2016-01-08 (10 Comments)
re: More perhaps by broll (2016-01-08 11:06:06)
Some Thoughts So what's the next one? by broll (2016-01-08 08:24:06)
Difficulty: 3 of 5Under Floor and Square Division Settlement (in Just Math)
Posted on 2016-01-01 (4 Comments)
re: answer by broll (2016-01-02 09:38:18)
Difficulty: 3 of 5Under Infinite Illation Decision (in Just Math)
Posted on 2015-12-31 (3 Comments)
re: Lucozade (Spoiler) by broll (2016-01-01 08:57:54)
Difficulty: 3 of 5Under One of Sixteen (in Weights and Scales)
Posted on 2015-12-29 (12 Comments)
re(4): Short solution. by broll (2016-01-12 22:14:47)
Some Thoughts re(2): Short solution. by broll (2016-01-11 23:08:08)
Short solution. by broll (2015-12-30 22:09:31)
Difficulty: 3 of 5Under A five letter word (in Word Problems)
Posted on 2015-12-28 (6 Comments)
Some Thoughts re(3): answer by broll (2015-12-30 04:39:09)
re: answer by broll (2015-12-29 09:36:07)
Difficulty: 3 of 5Under How many eggs? (in Just Math)
Posted on 2015-12-28 (5 Comments)
Some Thoughts re(2): Possible solution by broll (2015-12-28 21:48:32)
Solution Possible solution by broll (2015-12-28 09:24:13)
Difficulty: 3 of 5Under Expression and Perfect Square 2 (in Just Math)
Posted on 2015-12-25 (3 Comments)
Some Thoughts re(2): Two small solutions and a conjecture by broll (2015-12-28 04:10:19)
Difficulty: 2 of 5Under Triple Letter Occurrence, Twice! (in Word Problems)
Posted on 2015-12-10 (3 Comments)
Some Thoughts One answer by broll (2015-12-10 09:02:11)
Difficulty: 3 of 5Under A Math Problem (in Just Math)
Posted on 2015-12-03 (6 Comments)
re: A change by broll (2016-02-07 08:12:52)
Solution now posted. by broll (2016-01-30 00:20:00)
New Year's Resolution by broll (2015-12-30 22:30:18)
Some Thoughts re: computer solution of a way that works by broll (2015-12-03 22:45:02)
Difficulty: 2 of 5Under Variety of divisors (in Numbers)
Posted on 2015-12-03 (3 Comments)
Solution solution by broll (2015-12-03 11:14:52)
Difficulty: 3 of 5Under Table's peculiarity (in Just Math)
Posted on 2015-11-29 (6 Comments)
Solution Look, no hands! by broll (2015-11-30 23:53:34)
Question re(2): Example needed by broll (2015-11-30 10:50:23)
Question Example needed by broll (2015-11-30 03:20:39)
Difficulty: 4 of 5Under Optimizing Potency (in Algorithms)
Posted on 2015-11-19 (10 Comments)
re(2): Triangular numbers and Pascal's Triangle (spoiler) by broll (2015-11-27 21:42:19)
Well, I was wrong! by broll (2015-11-20 20:16:56)
Possible approach. by broll (2015-11-20 03:06:03)
Difficulty: 3 of 5Under Irrational Decision (in Just Math)
Posted on 2015-11-15 (6 Comments)
re: N=2 only by broll (2015-11-16 07:48:35)
Difficulty: 2 of 5Under Two sisters (in Famous Riddles)
Posted on 2015-11-12 (2 Comments)
Possible solution by broll (2015-11-12 08:06:02)
Difficulty: 3 of 5Under No peace (in Word Problems)
Posted on 2015-10-29 (4 Comments)
re: Most, but not all by broll (2015-10-29 09:58:52)
Difficulty: 3 of 5Under Cube Root Sum Puzzle (in Just Math)
Posted on 2015-10-24 (1 Comments)
Some Thoughts Possible solution by broll (2015-10-24 11:29:46)
Difficulty: 3 of 5Under Triangular and Square Settlement (in Just Math)
Posted on 2015-10-13 (7 Comments)
re(2): possible solution. //infinitely many ? by broll (2015-10-14 04:51:38)
possible solution. by broll (2015-10-13 11:54:42)
Difficulty: 3 of 5Under Expression and Perfect Square (in Just Math)
Posted on 2015-10-10 (2 Comments)
Some Thoughts False by broll (2015-10-11 13:42:14)
Difficulty: 1 of 5Under Cryptajoke IX (in Cryptography)
Posted on 2015-09-28 (2 Comments)
No way. by broll (2015-09-28 10:22:22)
Difficulty: 3 of 5Under Expression Product Exercise (in Just Math)
Posted on 2015-09-18 (5 Comments)
Some Thoughts re: computer exploration -- far from a proof by broll (2015-09-19 03:03:04)
possible solution by broll (2015-09-18 23:56:26)
Difficulty: 3 of 5Under Not Variety, but... (in Word Problems)
Posted on 2015-09-03 (4 Comments)
re: Sorry, wrong answers (spoiler) by broll (2015-09-04 01:08:00)
Difficulty: 3 of 5Under Power Difference Puzzle (in Just Math)
Posted on 2015-07-30 (3 Comments)
Solution solution by broll (2015-07-30 10:52:25)
Difficulty: 3 of 5Under Linear and Quadratic Sum Puzzle (in Just Math)
Posted on 2015-07-25 (3 Comments)
Some Thoughts a solution by broll (2015-07-25 09:56:08)
Difficulty: 2 of 5Under Guessing suit (in Probability)
Posted on 2015-07-20 (13 Comments)
Some Thoughts Really? by broll (2015-07-22 05:26:02)
Difficulty: 3 of 5Under Powers of Ten (in Sequences)
Posted on 2015-07-14 (7 Comments)
re: Pwerful answer (spoiler) by broll (2015-07-15 05:41:40)
Difficulty: 3 of 5Under A powerful resemblance. (in Just Math)
Posted on 2015-07-12 (2 Comments)
re: Stumped by broll (2017-01-01 23:15:58)
Difficulty: 3 of 5Under Complete and Start Puzzle (in Word Problems)
Posted on 2015-07-10 (4 Comments)
Some Thoughts A couple of possibilities by broll (2015-07-10 09:27:05)
Difficulty: 3 of 5Under Perfect Square Sum - Not (in Just Math)
Posted on 2015-07-08 (1 Comments)
Solution Solution by broll (2015-07-08 12:04:49)
Difficulty: 2 of 5Under A radical question (in General)
Posted on 2015-07-08 (4 Comments)
Some Thoughts Thoughts by broll (2015-07-08 10:03:18)
Difficulty: 3 of 5Under Primary problem III (in Numbers)
Posted on 2015-07-03 (2 Comments)
Some Thoughts Possible solution by broll (2015-07-04 06:28:58)
Difficulty: 3 of 5Under Quite a triplet (in Numbers)
Posted on 2015-07-02 (10 Comments)
re(3): computer solution -- prolonged search by broll (2015-07-04 00:06:06)
re: computer solution by broll (2015-07-02 22:23:37)
Difficulty: 2 of 5Under More than Spoonerisms (in Word Problems)
Posted on 2015-06-25 (2 Comments)
re: Little early in the day here... by broll (2015-06-25 08:54:30)
Difficulty: 2 of 5Under It is not 8^5 (in Numbers)
Posted on 2015-06-24 (3 Comments)
Solution Solution (Spoiler) by broll (2015-06-24 08:45:20)
Difficulty: 3 of 5Under Harmonic Diophantine Hindrance (in Just Math)
Posted on 2015-06-21 (3 Comments)
Some Thoughts re: question re: Possible solution by broll (2015-06-23 00:45:51)
Some Thoughts Possible solution by broll (2015-06-21 23:09:47)
Difficulty: 3 of 5Under Oh no, not Monty again! (in Probability)
Posted on 2015-06-17 (9 Comments)
re(2): Solution by broll (2016-04-14 05:38:09)
re: $1K is better than a goat, at any rate! by broll (2015-06-17 10:20:45)
re: Thoughts. No solution. by broll (2015-06-17 09:26:14)
Difficulty: 3 of 5Under Which integer was removed? (in Just Math)
Posted on 2015-06-15 (2 Comments)
Some Thoughts Thoughts by broll (2015-06-16 00:20:57)
Difficulty: 4 of 5Under No Unit Cube Dissection (in Shapes)
Posted on 2015-06-11 (7 Comments)
Some Thoughts Thoughts by broll (2015-06-14 00:26:06)
Difficulty: 3 of 5Under Cube root sum equality puzzle (in Just Math)
Posted on 2015-06-09 (2 Comments)
Some Thoughts Thoughts by broll (2015-06-10 07:22:32)
Difficulty: 2 of 5Under Tax Collector (in Games)
Posted on 2015-05-26 (6 Comments)
re(2): Thoughts. by broll (2015-05-26 09:06:48)
Some Thoughts Thoughts. by broll (2015-05-26 08:51:38)
Difficulty: 2 of 5Under Homophone Hindrance (in Word Problems)
Posted on 2015-05-25 (2 Comments)
Solution Solution (Spoiler) by broll (2015-05-25 08:33:41)
Difficulty: 3 of 5Under Proper Power Poser (in Just Math)
Posted on 2015-05-23 (1 Comments)
Possible solution. by broll (2015-05-24 03:49:02)
Difficulty: 2 of 5Under Three consecutive letters (in Word Problems)
Posted on 2015-05-20 (4 Comments)
Hints/Tips Hint by broll (2015-05-20 07:53:31)
Difficulty: 3 of 5Under 7G vs 7B (in General)
Posted on 2015-05-18 (2 Comments)
re: No Subject by broll (2015-05-18 22:39:57)
Difficulty: 3 of 5Under 112233....99 scrambled (in Numbers)
Posted on 2015-05-13 (2 Comments)
re: Always in the last place you look - spoiler by broll (2015-05-13 22:43:58)
Difficulty: 2 of 5Under Product Divides Sum? (in Just Math)
Posted on 2015-05-12 (3 Comments)
re: Analytical Solution by broll (2015-05-13 05:38:28)
Difficulty: 2 of 5Under How far can you go? (in Numbers)
Posted on 2015-05-12 (6 Comments)
re(3): Go on, indeed. by broll (2015-05-13 05:02:09)
re: Go on, indeed. by broll (2015-05-12 10:23:17)
Difficulty: 3 of 5Under Sum Root Sum Settlement (in Just Math)
Posted on 2015-05-10 (5 Comments)
re: Boy, am I dense this week! by broll (2015-05-13 05:52:19)
Difficulty: 3 of 5Under Positive Pair Poser (in Just Math)
Posted on 2015-05-09 (8 Comments)
re: Two unhelpful(?) observations by broll (2015-05-10 08:08:17)
Difficulty: 3 of 5Under Rational Square Sum (in Just Math)
Posted on 2015-05-07 (5 Comments)
Generalisation. by broll (2015-05-08 09:15:06)
Difficulty: 4 of 5Under Rhyme time (in Word Problems)
Posted on 2015-05-07 (6 Comments)
11 by broll (2015-05-08 09:42:34)
3,12. by broll (2015-05-08 09:30:57)
Difficulty: 3 of 5Under A thing whereon all Princes lie (in Famous Riddles)
Posted on 2015-05-04 (2 Comments)
Some Thoughts Possible solution by broll (2015-05-04 08:42:02)
Difficulty: 3 of 5Under Largest palindrome (in Numbers)
Posted on 2015-04-27 (4 Comments)
re: program solution by broll (2015-04-27 22:07:32)
Difficulty: 3 of 5Under Seventeen divides expression? (in Just Math)
Posted on 2015-04-26 (3 Comments)
Hints/Tips A solution by broll (2015-04-26 12:39:00)
Difficulty: 3 of 5Under Divisor Determination (in Just Math)
Posted on 2015-04-25 (2 Comments)
Some Thoughts re: A start? by broll (2015-04-25 23:49:52)
Difficulty: 2 of 5Under Island Adventure 2 (in Liars and Knights)
Posted on 2015-04-21 (4 Comments)
re: Answer by broll (2015-04-21 10:12:04)
Difficulty: 3 of 5Under 2012 Lamps (in Games)
Posted on 2015-04-17 (5 Comments)
re(4): Possible solution by broll (2015-04-18 23:34:00)
re(2): Possible solution by broll (2015-04-18 04:48:58)
Possible solution by broll (2015-04-17 23:53:38)
Difficulty: 3 of 5Under A Chinese Scene (in Word Problems)
Posted on 2015-04-17 (4 Comments)
re: yes, many... by broll (2015-04-20 22:45:52)
Difficulty: 2 of 5Under Name the location (in Word Problems)
Posted on 2015-04-16 (1 Comments)
Some Thoughts A few Mexicans come in might be more accurate (spoiler) by broll (2015-04-16 08:57:25)
Difficulty: 2 of 5Under 2^(10n) (in Numbers)
Posted on 2015-04-15 (8 Comments)
Solution Solution (spoiler) by broll (2015-04-15 08:05:15)
Difficulty: 1 of 5Under So what? (in General)
Posted on 2015-04-13 (5 Comments)
re(2): Facilissimus by broll (2015-04-13 09:53:27)
Some Thoughts Facilissimus by broll (2015-04-13 08:21:11)
Difficulty: 4 of 5Under From product to town (in Word Problems)
Posted on 2015-04-10 (2 Comments)
Some Thoughts re: computer assisted solution by broll (2015-04-11 08:40:20)
Difficulty: 4 of 5Under Bright light (in Science)
Posted on 2015-04-09 (9 Comments)
Some Thoughts Interesting question. by broll (2015-04-09 23:47:03)
Difficulty: 3 of 5Under Tile flipping (in Just Math)
Posted on 2015-04-08 (12 Comments)
re(2): Thoughts - a counterexample for you by broll (2015-04-09 09:59:00)
Some Thoughts Thoughts by broll (2015-04-09 00:55:35)
Difficulty: 2 of 5Under Roman palindrome (in Numbers)
Posted on 2015-04-07 (3 Comments)
re: Depending on what's allowed. by broll (2015-04-07 09:42:44)
Difficulty: 3 of 5Under Cubic Sum Settlement (in Just Math)
Posted on 2015-04-05 (1 Comments)
Solution No way, Jose by broll (2015-04-05 21:16:00)
Difficulty: 3 of 5Under Geometric Rubric (in Just Math)
Posted on 2015-04-04 (2 Comments)
Solution re: Something cool I never knew about polynomials (hint) by broll (2015-04-05 01:36:32)
Difficulty: 4 of 5Under Chord Triangle Constant (in Geometry)
Posted on 2015-03-21 (4 Comments)
Some Thoughts Sines and secants by broll (2015-03-23 04:54:09)
Difficulty: 3 of 5Under Rectangular Rearrangement Resolution (in Shapes)
Posted on 2015-03-20 (5 Comments)
Some Thoughts The trivial case answers it. by broll (2015-03-20 08:23:51)
Difficulty: 3 of 5Under Linear and Quadratic Square (in Just Math)
Posted on 2015-03-15 (4 Comments)
Some Thoughts re(2): A way not to do it. by broll (2016-06-14 05:10:32)
Some Thoughts A way not to do it. by broll (2015-03-16 01:18:47)
Difficulty: 3 of 5Under Location, location, location (in Geometry)
Posted on 2015-03-12 (8 Comments)
re(4): To answer the question... by broll (2015-03-13 12:58:57)
Solution re(2): To answer the question... by broll (2015-03-12 23:18:02)
Some Thoughts To answer the question... by broll (2015-03-12 12:45:01)
Difficulty: 2 of 5Under Squeeze between neighbors (in Numbers)
Posted on 2015-03-11 (1 Comments)
Solution solution by broll (2015-03-11 09:02:39)
Difficulty: 3 of 5Under Root sum equals integer (in Just Math)
Posted on 2015-03-10 (7 Comments)
An alternative method. by broll (2015-03-11 01:16:35)
re(4): solution & playing around by broll (2015-03-10 22:49:35)
Difficulty: 3 of 5Under Line Ratio Resolution (in Shapes)
Posted on 2015-03-04 (4 Comments)
re(2): Possible solution -- but using Geometers Sketchpad by broll (2015-03-05 10:44:59)
Solution Possible solution by broll (2015-03-04 20:58:22)
Difficulty: 2 of 5Under Prime and perfect (in Numbers)
Posted on 2015-02-27 (3 Comments)
re: Solution - may not be complete by broll (2015-02-28 22:03:17)
Difficulty: 3 of 5Under Approximating radicals (in Numbers)
Posted on 2015-02-17 (4 Comments)
Some Thoughts More thoughts by broll (2015-02-17 21:01:15)
Difficulty: 2 of 5Under Bound the product (in Numbers)
Posted on 2015-02-13 (4 Comments)
re(2): Possible solution. Correction and second part. by broll (2015-02-13 13:01:11)
Possible solution. by broll (2015-02-13 12:28:19)
Difficulty: 3 of 5Under Crime to Meditation (in Word Problems)
Posted on 2015-02-11 (3 Comments)
re(2): A little poem by broll (2015-02-14 01:56:54)
Hints/Tips A little poem by broll (2015-02-12 07:11:21)
Difficulty: 3 of 5Under Octic Sum Settlement (in Just Math)
Posted on 2015-02-06 (3 Comments)
Some Thoughts re: Answer only (possible spoiler) by broll (2015-02-07 04:22:17)
Some Thoughts Answer only (possible spoiler) by broll (2015-02-07 03:22:15)
Difficulty: 1 of 5Under Quite a normal question (in Riddles)
Posted on 2015-02-02 (2 Comments)
Possible solution by broll (2015-02-03 09:01:48)
Difficulty: 3 of 5Under Real Value Validation (in Just Math)
Posted on 2015-02-01 (3 Comments)
Some Thoughts re: Quick and dirty (spoiler) by broll (2015-02-01 23:28:57)
Difficulty: 3 of 5Under Integral Proof (in Numbers)
Posted on 2015-01-26 (3 Comments)
Some Thoughts possible approach. by broll (2015-01-26 21:42:55)
Difficulty: 4 of 5Under Possible or not? (in Just Math)
Posted on 2015-01-17 (6 Comments)
re(4): possible solution by broll (2015-01-18 05:55:58)
re(2): possible solution by broll (2015-01-17 23:01:42)
possible solution by broll (2015-01-17 20:58:17)
Difficulty: 3 of 5Under Chinese New Year (in General)
Posted on 2015-01-16 (8 Comments)
Some Thoughts re: computer solution by broll (2015-01-16 21:23:45)
Difficulty: 3 of 5Under Three conditions define a triplet (in Just Math)
Posted on 2015-01-14 (2 Comments)
Some Thoughts possible solution by broll (2015-01-14 18:29:21)
Difficulty: 2 of 5Under Potato puzzle (in Riddles)
Posted on 2015-01-13 (1 Comments)
Some Thoughts possible solution by broll (2015-01-14 18:47:07)
Difficulty: 4 of 5Under T times T creates another T?? (in Just Math)
Posted on 2015-01-11 (8 Comments)
Some Thoughts Another thought by broll (2015-01-12 22:37:21)
Some Thoughts An equivalent problem by broll (2015-01-12 12:51:54)
Difficulty: 4 of 5Under Integer Divisor Illation (in Just Math)
Posted on 2015-01-10 (1 Comments)
Some Thoughts Possible solution by broll (2015-01-11 02:35:48)
Difficulty: 3 of 5Under Find the remainder (in Just Math)
Posted on 2015-01-09 (3 Comments)
possible solution (spoiler) by broll (2015-01-09 09:51:09)
Difficulty: 3 of 5Under Trigo inequality (in Just Math)
Posted on 2014-12-11 (11 Comments)
Some Thoughts re: solution by broll (2014-12-12 08:49:30)
Difficulty: 3 of 5Under Which is which (in Cryptography)
Posted on 2014-12-10 (9 Comments)
Some Thoughts re: u u am po by broll (2014-12-11 02:17:34)
Difficulty: 3 of 5Under Out of this word (in Word Problems)
Posted on 2014-12-08 (9 Comments)
re(5): Most of a solution ---- hint , .....partial. spoiler by broll (2014-12-08 23:43:51)
Difficulty: 3 of 5Under Triangle Area Trial (in Shapes)
Posted on 2014-12-07 (3 Comments)
Some Thoughts Possible solution by broll (2014-12-08 22:38:53)
Difficulty: 3 of 5Under So close, but no closer... (in Just Math)
Posted on 2014-12-04 (5 Comments)
Some Thoughts re(3): computer assisted solution, a question by broll (2014-12-05 00:37:57)
re: computer assisted solution by broll (2014-12-04 23:19:46)
Difficulty: 2 of 5Under Number machine problem 2 (in Algorithms)
Posted on 2014-12-02 (3 Comments)
Some Thoughts possible solution by broll (2014-12-04 01:26:07)
Difficulty: 3 of 5Under What not? (in General)
Posted on 2014-12-01 (4 Comments)
all in the stars by broll (2014-12-01 10:00:43)
Difficulty: 4 of 5Under Simultaneous Surmise (in Just Math)
Posted on 2014-11-29 (3 Comments)
re: Finally! by broll (2014-11-29 22:28:33)
Difficulty: 2 of 5Under Just a tiny addition (in Just Math)
Posted on 2014-11-18 (5 Comments)
Solution re(2): digit 3? by broll (2014-11-18 23:48:20)
Difficulty: 4 of 5Under Diophantine Doldrum (in Just Math)
Posted on 2014-11-15 (2 Comments)
Solution A general solution. by broll (2014-11-15 23:55:07)
Difficulty: 3 of 5Under An aSCending SCale (in Word Problems)
Posted on 2014-11-14 (7 Comments)
re(3): some examples from the computer by broll (2014-11-15 08:13:03)
re: some examples from the computer by broll (2014-11-15 00:26:44)
Difficulty: 3 of 5Under Chairs galore (in Just Math)
Posted on 2014-10-31 (4 Comments)
re: solution and discussion by broll (2014-10-31 11:38:39)
Difficulty: 3 of 5Under Area Ascertainment II (in Shapes)
Posted on 2014-10-24 (8 Comments)
re(2): Nice problem by broll (2014-10-25 09:04:35)
Solution Nice problem by broll (2014-10-24 23:53:09)
Difficulty: 3 of 5Under Cot Ratio Conclusion (in Just Math)
Posted on 2014-10-18 (2 Comments)
Some Thoughts Observation by broll (2014-10-19 23:59:45)
Difficulty: 1 of 5Under Open, Sesame! (in Probability)
Posted on 2014-10-14 (3 Comments)
Some Thoughts re: If the key fits ... (spoiler) by broll (2014-10-15 08:50:42)
Difficulty: 2 of 5Under A versatile number (in Numbers)
Posted on 2014-10-13 (6 Comments)
re: manual solution to bonus is wrong by broll (2014-10-14 09:02:39)
Difficulty: 3 of 5Under Greatest GCD (in Sequences)
Posted on 2014-10-12 (5 Comments)
Solution re: Generalised approach - tying up the loose ends. by broll (2014-10-12 23:17:54)
Some Thoughts Generalised approach by broll (2014-10-12 21:57:18)
Difficulty: 3 of 5Under Inverse Power Pact (in Just Math)
Posted on 2014-10-02 (2 Comments)
Some Thoughts Possible solution by broll (2014-10-02 10:59:28)
Difficulty: 3 of 5Under Square Result Rumination (in Just Math)
Posted on 2014-09-28 (6 Comments)
Some Thoughts re: other types of cases by broll (2014-09-29 02:58:24)
Some Thoughts re(2): Technical solution--but a larger question remains. by broll (2014-09-28 11:19:03)
Difficulty: 3 of 5Under Cubic Minimum (in Just Math)
Posted on 2014-09-26 (7 Comments)
re(2): generalised approach. by broll (2014-09-27 08:50:06)
generalised approach. by broll (2014-09-27 01:09:51)
Difficulty: 4 of 5Under Once a Liar, always a Liar 3 (in Logic)
Posted on 2014-09-21 (11 Comments)
Some Thoughts re: Stuck on Part I (where did I go wrong?) by broll (2014-09-22 01:46:39)
Difficulty: 3 of 5Under Pick a letter (in Logic)
Posted on 2014-09-18 (4 Comments)
Some Thoughts possible solution by broll (2014-09-19 00:23:13)
Difficulty: 3 of 5Under Comparing weights (in Weights and Scales)
Posted on 2014-09-09 (3 Comments)
Solution Solution by broll (2014-09-16 01:25:25)
Difficulty: 3 of 5Under Circles at a point. (in Geometry)
Posted on 2014-09-07 (3 Comments)
Hints/Tips re: Solution? by broll (2014-09-07 13:04:38)
Difficulty: 1 of 5Under Fibo's quickie (in Logic)
Posted on 2014-09-03 (4 Comments)
Not convinced by broll (2014-09-10 00:14:23)
Difficulty: 3 of 5Under Triangular Triangulation (in Just Math)
Posted on 2014-08-30 (4 Comments)
re(2): As many as you want. by broll (2014-09-02 01:49:43)
Some Thoughts As many as you want. by broll (2014-08-31 06:02:40)
Difficulty: 3 of 5Under The Real Cyclic Quad (in Geometry)
Posted on 2014-08-23 (2 Comments)
Some Thoughts Part of it. by broll (2014-08-23 11:45:34)
Difficulty: 2 of 5Under Square Cut (in Shapes)
Posted on 2014-08-20 (2 Comments)
Solution Solution by broll (2014-08-20 10:27:57)
Difficulty: 3 of 5Under Six tangents (in Just Math)
Posted on 2014-08-17 (8 Comments)
re(3): Interesting observation by broll (2014-08-18 05:02:01)
Difficulty: 3 of 5Under Cutting corners. (in Shapes)
Posted on 2014-08-14 (5 Comments)
re(3): what is wanted? by broll (2014-08-17 02:45:00)
Hints/Tips re: what is wanted? by broll (2014-08-15 00:51:35)
Difficulty: 3 of 5Under Some Triangles Sum 2014 (in Just Math)
Posted on 2014-08-12 (5 Comments)
Some Thoughts re(2): Possible Solution by broll (2014-08-13 01:13:26)
Solution Possible Solution by broll (2014-08-12 15:26:33)
Difficulty: 3 of 5Under Unknown Power Ponder (in Just Math)
Posted on 2014-08-11 (4 Comments)
Some Thoughts re(2): Paper and pencil solution (spoiler?) by broll (2014-08-12 08:17:35)
Difficulty: 4 of 5Under Tiling Trial (in Shapes)
Posted on 2014-07-24 (2 Comments)
Some Thoughts Solution by broll (2014-07-25 10:30:28)
Difficulty: 3 of 5Under Orange Outlook (in Just Math)
Posted on 2014-07-22 (3 Comments)
Unlikely approach by broll (2014-07-23 02:50:57)
Difficulty: 2 of 5Under n2m or m2n ? (in Just Math)
Posted on 2014-07-16 (6 Comments)
Some Thoughts Some Thoughts by broll (2014-07-16 12:29:36)
Difficulty: 3 of 5Under A periodical fraction (in Numbers)
Posted on 2014-07-11 (3 Comments)
Solution Solution by broll (2014-07-12 01:01:37)
Difficulty: 3 of 5Under Cinq Confusion (in Shapes)
Posted on 2014-07-10 (2 Comments)
Some Thoughts possible solution by broll (2014-07-10 11:26:17)
Difficulty: 3 of 5Under An equation (in Just Math)
Posted on 2014-07-03 (5 Comments)
re: solution by broll (2014-07-14 01:09:15)
Some Thoughts Part of it by broll (2014-07-05 03:02:24)
Difficulty: 2 of 5Under Letter Carrier (in Word Problems)
Posted on 2014-07-03 (3 Comments)
Some Thoughts Big Muddy by broll (2014-07-03 11:55:28)
Difficulty: 3 of 5Under F. to P. generator (in Numbers)
Posted on 2014-06-25 (4 Comments)
re: Isn't this more general and simple? by broll (2014-06-27 02:09:59)
Solution by broll (2014-06-26 03:32:23)
Difficulty: 3 of 5Under 2+2=4 is true (in Just Math)
Posted on 2014-06-22 (2 Comments)
Some Thoughts possible solution by broll (2014-06-22 10:09:20)
Difficulty: 3 of 5Under Taking the Fifth (in Just Math)
Posted on 2014-06-21 (5 Comments)
re: Solution by broll (2017-05-05 09:20:26)
Hints/Tips Another clue by broll (2014-07-04 08:46:47)
Hints/Tips Hint by broll (2014-06-22 10:24:33)
Difficulty: 2 of 5Under Validity Vindication (in Shapes)
Posted on 2014-06-18 (2 Comments)
a rough method by broll (2014-06-18 11:53:25)
Difficulty: 3 of 5Under First Names (in Word Problems)
Posted on 2014-06-15 (6 Comments)
a flower by broll (2014-06-16 01:17:13)
Some Thoughts a fish by broll (2014-06-16 01:04:37)
Difficulty: 3 of 5Under 997 ways (in Just Math)
Posted on 2014-06-14 (3 Comments)
Hints/Tips re: A tiny hint NEEDED by broll (2014-06-15 04:09:26)
Difficulty: 3 of 5Under One, two, three, five. (in Just Math)
Posted on 2014-06-07 (3 Comments)
re: Hint by broll (2014-06-15 04:15:07)
Hints/Tips Hint by broll (2014-06-13 02:14:06)
Difficulty: 2 of 5Under 4 ways (in Sequences)
Posted on 2014-06-04 (6 Comments)
re(2): Other possibilities. by broll (2014-06-05 05:03:29)
Other possibilities. by broll (2014-06-05 00:50:31)
Difficulty: 4 of 5Under Money Division Muse (in Just Math)
Posted on 2014-05-27 (4 Comments)
Solution re(2): So close yet so far? by broll (2014-05-28 09:12:04)
Difficulty: 3 of 5Under Bricks and Box Baffle (in Shapes)
Posted on 2014-05-23 (2 Comments)
Some Thoughts Proving it without doing it. by broll (2014-05-25 06:29:22)
Difficulty: 3 of 5Under Integer Divisibility Dilemma II (in Just Math)
Posted on 2014-05-22 (6 Comments)
re(3): answers first by broll (2014-05-24 03:37:14)
re: answers first by broll (2014-05-22 10:04:08)
Difficulty: 3 of 5Under Digital Prime (in Just Math)
Posted on 2014-05-04 (2 Comments)
Solution Possible solution by broll (2014-05-04 22:50:11)
Difficulty: 3 of 5Under Powerful Divisor (in Just Math)
Posted on 2014-05-01 (8 Comments)
Some Thoughts re: solution by broll (2014-05-02 09:38:04)
Difficulty: 3 of 5Under Cubic Sequence? (in Sequences)
Posted on 2014-04-16 (2 Comments)
Some Thoughts re: Easy to answer, proof not so much. (solution) by broll (2014-04-17 15:47:39)
Difficulty: 4 of 5Under Pseudo-FIBO (in Sequences)
Posted on 2014-04-14 (5 Comments)
Some Thoughts Part a; possible solution by broll (2014-04-15 14:10:49)
Difficulty: 2 of 5Under Pythagorean triangle (in Just Math)
Posted on 2014-03-10 (2 Comments)
Some Thoughts re: The 21 smallest by broll (2014-03-11 09:14:57)
Difficulty: 3 of 5Under Minimizing Trigo value (in Numbers)
Posted on 2014-03-02 (7 Comments)
re(3): answer by broll (2014-03-03 00:37:24)
Some Thoughts re: answer by broll (2014-03-02 15:00:51)
Difficulty: 3 of 5Under Smallest Integer Determination (in Just Math)
Posted on 2014-02-02 (2 Comments)
possible solution by broll (2014-02-03 07:00:39)
Difficulty: 2 of 5Under Constant Ratio (in Just Math)
Posted on 2013-12-17 (2 Comments)
Some Thoughts Possible approach by broll (2013-12-17 22:42:21)
Difficulty: 3 of 5Under Lucas squares (in Just Math)
Posted on 2013-12-15 (6 Comments)
re(5): Long solution. by broll (2013-12-17 22:39:34)
re(3): Long solution. by broll (2013-12-17 03:15:58)
Question re: Long solution. by broll (2013-12-16 14:06:09)
Difficulty: 4 of 5Under Square Crossed Sequence (in Sequences)
Posted on 2013-12-09 (3 Comments)
Possible solution by broll (2013-12-09 23:42:38)
Difficulty: 3 of 5Under Consecutive Base Baffle (in Just Math)
Posted on 2013-12-04 (4 Comments)
re(2): computer solution by broll (2013-12-05 02:51:14)
Difficulty: 3 of 5Under Square in a Pentagon (in Geometry)
Posted on 2013-12-01 (4 Comments)
re(2): More likely to be correct solution. by broll (2013-12-03 06:27:14)
Difficulty: 3 of 5Under A Square, a Rectangle and a Triangle (in Geometry)
Posted on 2013-11-17 (3 Comments)
re: disagree by broll (2013-12-02 07:25:39)
Difficulty: 3 of 5Under Digital Dilemma (in Just Math)
Posted on 2013-11-15 (7 Comments)
re(3): The last few digits of a smaller number by broll (2013-11-18 00:46:42)
re(2): The last few digits of a smaller number by broll (2013-11-17 00:34:08)
The last few digits by broll (2013-11-16 01:38:05)
Difficulty: 3 of 5Under Cubic Impression (in Just Math)
Posted on 2013-11-02 (4 Comments)
re: No Subject by broll (2013-11-16 00:55:21)
Some Thoughts Possible approach by broll (2013-11-03 01:38:50)
Difficulty: 3 of 5Under Pasture Puzzles (in Just Math)
Posted on 2013-11-01 (10 Comments)
re(5): Solution by broll (2013-11-07 05:43:33)
re(3): Solution by broll (2013-11-06 10:59:18)
re(3): Solution by broll (2013-11-06 10:46:21)
re: Solution by broll (2013-11-06 00:58:15)
Difficulty: 3 of 5Under Perfect Prime Provision? (in Just Math)
Posted on 2013-10-27 (2 Comments)
Solution Full solution (spoiler) by broll (2013-10-27 09:57:07)
Difficulty: 3 of 5Under Oddly Powered (in Just Math)
Posted on 2013-10-25 (1 Comments)
Some Thoughts Possible solution. by broll (2013-10-25 13:33:06)
Difficulty: 3 of 5Under Drinking Dwarfs (in Just Math)
Posted on 2013-10-23 (6 Comments)
re(2): solution (Two for the price of one.) (spoiler) by broll (2013-10-24 07:27:49)
Solution solution (Two for the price of one.) (spoiler) by broll (2013-10-24 01:22:09)
Difficulty: 2 of 5Under DoDeCaGon (in Shapes)
Posted on 2013-10-18 (4 Comments)
Solution Solution (spoiler) by broll (2013-10-18 09:47:50)
Difficulty: 3 of 5Under Smart Man (in Logic)
Posted on 2013-10-17 (3 Comments)
Some Thoughts Possible solution by broll (2013-10-17 11:26:59)
Difficulty: 3 of 5Under Minimum Sum Muse (in Just Math)
Posted on 2013-10-16 (4 Comments)
re: A better answer by broll (2013-10-17 03:30:45)
Some Thoughts possible solution by broll (2013-10-16 12:56:00)
Difficulty: 3 of 5Under Powering (in Just Math)
Posted on 2013-10-05 (5 Comments)
Some Thoughts possible solution by broll (2013-10-05 14:24:36)
Difficulty: 2 of 5Under Non existing altitudes (in Geometry)
Posted on 2013-10-03 (4 Comments)
Some Thoughts possible solution. by broll (2013-10-04 04:33:00)
Difficulty: 3 of 5Under Listing cubes (in Numbers)
Posted on 2013-10-01 (3 Comments)
Possible solution by broll (2013-10-02 01:49:50)
Difficulty: 3 of 5Under Warm/Cool Number Guessing (in Numbers)
Posted on 2013-09-30 (6 Comments)
Some Thoughts re(2): A limit by broll (2013-10-02 02:31:18)
Some Thoughts A limit by broll (2013-10-01 07:05:56)
Difficulty: 3 of 5Under Minimum perimeter length (2) (in Just Math)
Posted on 2013-09-19 (3 Comments)
re(2): possible solution. by broll (2013-09-20 15:42:21)
possible solution. by broll (2013-09-20 07:26:26)
Difficulty: 2 of 5Under All zeroes solution (in Numbers)
Posted on 2013-09-01 (3 Comments)
re: solution by broll (2013-09-02 05:02:05)
Difficulty: 3 of 5Under Wild and Wooley Numbers (in Numbers)
Posted on 2013-08-28 (2 Comments)
Hints/Tips This explains it (spoiler) by broll (2013-08-29 04:45:27)
Difficulty: 2 of 5Under Mission impossible II (in Numbers)
Posted on 2013-08-26 (7 Comments)
Some Thoughts Some thoughts by broll (2013-08-27 05:28:06)
Difficulty: 3 of 5Under The cunning Condition (in Just Math)
Posted on 2013-08-25 (5 Comments)
Some Thoughts re: answer ONLY - spoiler by broll (2013-08-25 12:44:50)
Difficulty: 3 of 5Under Decimal Digit Determination (in Just Math)
Posted on 2013-08-24 (5 Comments)
Some Thoughts re(2): much of a problem even with a computer by broll (2013-08-25 12:36:13)
Some Thoughts re: much of a problem even with a computer by broll (2013-08-25 07:40:41)
Difficulty: 2 of 5Under Related Series (in Sequences)
Posted on 2013-08-23 (2 Comments)
Solution Solution (spoiler) by broll (2013-08-23 14:00:11)
Difficulty: 3 of 5Under Morley's Ghost (in Geometry)
Posted on 2013-08-10 (3 Comments)
re: Solution by broll (2013-08-25 07:55:30)
Difficulty: 2 of 5Under Not applicable to driving (in Riddles)
Posted on 2013-08-08 (2 Comments)
Solution Answer by broll (2013-08-08 10:04:01)
Difficulty: 2 of 5Under Circles Around a Circle (in Just Math)
Posted on 2013-08-07 (2 Comments)
another way by broll (2013-08-08 01:33:44)
Difficulty: 3 of 5Under Near Pythagoras (in Just Math)
Posted on 2013-07-31 (4 Comments)
Some Thoughts re: computer solution by broll (2013-08-01 03:11:55)
Difficulty: 1 of 5Under Remember that (in Numbers)
Posted on 2013-07-30 (4 Comments)
Hints/Tips A poem. by broll (2013-07-30 09:48:17)
Difficulty: 3 of 5Under Faulty Card Shuffler (in General)
Posted on 2013-07-24 (10 Comments)
Brians solution by broll (2013-07-25 03:09:11)
Difficulty: 3 of 5Under Repunits and bases (in Numbers)
Posted on 2013-07-24 (6 Comments)
Answer: by broll (2013-07-24 11:29:46)
Difficulty: 3 of 5Under 4b4N & after (in Numbers)
Posted on 2013-07-17 (3 Comments)
Some Thoughts re: Bonus later (spoiler) by broll (2013-07-18 09:57:04)
Difficulty: 2 of 5Under Framing (in Geometry)
Posted on 2013-07-16 (3 Comments)
Some Thoughts re: A Start? by broll (2013-07-17 11:23:46)
Difficulty: 3 of 5Under Easy Findings (in Numbers)
Posted on 2013-06-26 (3 Comments)
Some Thoughts expression as sum by broll (2013-06-27 01:14:40)
Difficulty: 3 of 5Under Shiny Numbers (in Just Math)
Posted on 2013-06-20 (6 Comments)
Some Thoughts Some thoughts by broll (2013-06-22 07:10:02)
Difficulty: 2 of 5Under Any others? (in Numbers)
Posted on 2013-06-18 (9 Comments)
re: No Subject by broll (2013-06-22 01:23:06)
re(5): Solution - flaw? by broll (2013-06-20 03:14:26)
re(2): Solution - flaw? by broll (2013-06-19 06:06:31)
Difficulty: 4 of 5Under Introductions all around (in General)
Posted on 2013-06-14 (8 Comments)
Some Thoughts It's not who you know, but who you don't know, that's important. by broll (2013-06-16 13:14:42)
re(2): Possible solution by broll (2013-06-15 11:46:30)
Possible solution by broll (2013-06-15 08:42:22)
Difficulty: 3 of 5Under Chess game reconstruction (in Games)
Posted on 2013-06-08 (1 Comments)
Hints/Tips possible solution by broll (2013-06-08 12:25:14)
Difficulty: 4 of 5Under Crossed Cylinders (in Shapes)
Posted on 2013-05-25 (1 Comments)
Some Thoughts possible approach by broll (2013-05-26 10:16:03)
Difficulty: 4 of 5Under Positive Integer, Odd Digits, Divisibility (in Just Math)
Posted on 2013-05-12 (5 Comments)
Possible answer by broll (2013-05-13 10:34:32)
Difficulty: 3 of 5Under Attack! (2) (in Games)
Posted on 2013-05-09 (7 Comments)
re(2): Why the 'white' king? by broll (2013-05-11 10:53:19)
Difficulty: 3 of 5Under No comments (in Numbers)
Posted on 2013-05-07 (2 Comments)
Hints/Tips No comment by broll (2013-05-08 10:25:50)
Difficulty: 3 of 5Under Time for some Prime (in Just Math)
Posted on 2013-05-05 (1 Comments)
Solution possible solution by broll (2013-05-06 01:29:17)
Difficulty: 3 of 5Under Dark Divisibility (in Just Math)
Posted on 2013-04-27 (18 Comments)
re(3): Proof by broll (2013-05-11 00:31:28)
Some Thoughts re: Proof by broll (2013-05-10 02:15:34)
Is this list exhaustive? by broll (2013-04-29 08:13:56)
re: another by broll (2013-04-28 10:37:21)
re: No Subject by broll (2013-04-28 10:06:33)
Hmmm. by broll (2013-04-27 12:08:44)
Difficulty: 4 of 5Under Power Remainder III (in Just Math)
Posted on 2013-04-22 (4 Comments)
re: What am I missing? (spoiler) by broll (2013-04-22 15:20:32)
Difficulty: 3 of 5Under Elegantly Greedy Pirates (in Just Math)
Posted on 2013-04-20 (5 Comments)
Some Thoughts re: Power of the supermajority (spoiler) by broll (2013-04-21 01:59:55)
Difficulty: 3 of 5Under A scaled-down experiment (in Science)
Posted on 2013-04-17 (2 Comments)
re: Solution (w/o bonus) by broll (2013-04-29 00:52:54)
Difficulty: 3 of 5Under Prime Mean (in Just Math)
Posted on 2013-04-17 (5 Comments)
Some Thoughts possible solution by broll (2013-04-17 10:46:10)
Difficulty: 3 of 5Under Neat Network II (in General)
Posted on 2013-04-05 (4 Comments)
Hints/Tips some thoughts by broll (2013-04-05 15:21:22)
Difficulty: 2 of 5Under Role Models (in Riddles)
Posted on 2013-04-05 (2 Comments)
Hints/Tips Hint by broll (2013-04-05 10:24:04)
Difficulty: 3 of 5Under Temperature Temperament II (in Science)
Posted on 2013-04-04 (2 Comments)
re: solution by broll (2013-04-06 02:13:20)
Difficulty: 3 of 5Under Reasonable Suspicion (in Riddles)
Posted on 2013-04-01 (5 Comments)
Some Thoughts thoughts by broll (2013-04-02 10:11:11)
Difficulty: 3 of 5Under Dangerous Expression for Rationals (in Numbers)
Posted on 2013-03-31 (5 Comments)
I don't doubt it. by broll (2013-04-05 06:17:39)
Difficulty: 2 of 5Under irreducible? (in Just Math)
Posted on 2013-03-29 (6 Comments)
hmmmm by broll (2013-03-29 10:32:05)
Difficulty: 3 of 5Under Ten items to classify (in General)
Posted on 2013-03-27 (8 Comments)
re(2): No Subject a small hint by broll (2013-03-28 01:36:05)
Hints/Tips No Subject by broll (2013-03-28 00:09:31)
Difficulty: 2 of 5Under Irrational ^ Irrational = Rational (in Numbers)
Posted on 2013-03-27 (3 Comments)
re: No Subject by broll (2013-03-27 04:36:56)
Difficulty: 3 of 5Under Mileage Muse (in Numbers)
Posted on 2013-03-26 (7 Comments)
Some Thoughts Part 1 only by broll (2013-03-26 11:31:08)
Difficulty: 3 of 5Under Conga Primes (in Numbers)
Posted on 2013-03-23 (11 Comments)
re: still no luck on part 2 by broll (2013-03-29 10:09:08)
re: more results, but still no part 2 soln by broll (2013-03-27 09:08:51)
Hints/Tips re: still no luck on part 2 by broll (2013-03-27 08:02:19)
re: still no luck on part 2 by broll (2013-03-27 04:49:33)
re: Are there solutions? by broll (2013-03-26 01:11:09)
Difficulty: 2 of 5Under Repeated part divisible by 9 (in Numbers)
Posted on 2013-03-22 (3 Comments)
Some Thoughts the simple way by broll (2013-03-24 00:17:18)
Difficulty: 1 of 5Under In camps about the centre I appear (in Famous Riddles)
Posted on 2013-03-20 (3 Comments)
Some Thoughts Difficult one! by broll (2013-03-20 23:36:43)
Difficulty: 3 of 5Under Four Coin Theorem (in Shapes)
Posted on 2013-03-17 (2 Comments)
Some Thoughts 2 only by broll (2013-03-18 02:22:45)
Difficulty: 3 of 5Under Rational Rigor II (in Just Math)
Posted on 2013-03-16 (3 Comments)
re: allof tem - spoiler by broll (2013-03-17 06:18:33)
Difficulty: 4 of 5Under UN cargo (in Numbers)
Posted on 2013-03-13 (9 Comments)
re(4): Possible solution...2 hints by broll (2013-03-14 07:23:47)
Some Thoughts re(2): Possible solution...2 hints by broll (2013-03-14 05:55:29)
Some Thoughts Possible solution by broll (2013-03-13 12:11:52)
Difficulty: 3 of 5Under Ornament Orientation (in Liars and Knights)
Posted on 2013-03-12 (3 Comments)
Solution possible solution by broll (2013-03-12 23:49:45)
Difficulty: 1 of 5Under True Geometry (in Numbers)
Posted on 2013-03-07 (2 Comments)
Some Thoughts re: hint by broll (2013-03-09 14:02:13)
Difficulty: 3 of 5Under Quarting the cube (in Just Math)
Posted on 2013-02-28 (6 Comments)
re: SOLUTION +some add-ons by broll (2013-03-02 06:22:23)
Difficulty: 4 of 5Under On congruent numbers (in Numbers)
Posted on 2013-02-24 (2 Comments)
Some Thoughts Possible Approach by broll (2013-04-18 01:32:04)
Difficulty: 3 of 5Under Perfect squares (in Numbers)
Posted on 2013-02-21 (2 Comments)
There is no solution. by broll (2013-02-22 03:10:18)
Some Thoughts There is probably no solution by broll (2013-02-22 02:47:36)
Difficulty: 3 of 5Under Egyptian Number (in Just Math)
Posted on 2013-02-09 (5 Comments)
Possible approach by broll (2013-02-10 06:59:36)
Difficulty: 3 of 5Under No Soiree (in Numbers)
Posted on 2013-02-07 (9 Comments)
re(2): In Shame.....a word of consolation + advice by broll (2013-02-08 04:21:18)
Difficulty: 2 of 5Under Confused? (in Riddles)
Posted on 2013-02-04 (3 Comments)
Answer by broll (2013-02-04 12:34:30)
Difficulty: 3 of 5Under Cubing the square (in Just Math)
Posted on 2013-01-30 (8 Comments)
re(4): Programming and Excel by broll (2013-01-31 03:14:19)
re(2): Programming and Excel by broll (2013-01-31 02:02:37)
Difficulty: 2 of 5Under Planetary Perception (in Word Problems)
Posted on 2013-01-30 (14 Comments)
re(2): Last one.....NOW by broll (2013-01-31 02:38:29)
Difficulty: 3 of 5Under Sum of real Roots (in Just Math)
Posted on 2013-01-27 (6 Comments)
Some Thoughts Possible solution by broll (2013-01-27 11:39:51)
Difficulty: 3 of 5Under Add 1, Get Harmonic (in Sequences)
Posted on 2013-01-25 (2 Comments)
Solution Suggested general treatment by broll (2013-01-25 10:18:50)
Difficulty: 3 of 5Under 9 distinct digits in 3 products (in Numbers)
Posted on 2013-01-23 (2 Comments)
Some Thoughts First part. by broll (2013-01-23 09:55:48)
Difficulty: 3 of 5Under Twins I (in Just Math)
Posted on 2013-01-20 (1 Comments)
Hints/Tips Examples by broll (2013-01-22 07:41:59)
Difficulty: 2 of 5Under Off by one (in Numbers)
Posted on 2013-01-18 (7 Comments)
Some Thoughts Leading zeros. by broll (2013-01-19 07:22:14)
Difficulty: 2 of 5Under Last three digits (in Just Math)
Posted on 2013-01-16 (3 Comments)
Hints/Tips a*b*c=? by broll (2013-01-16 10:03:50)
Difficulty: 4 of 5Under Thirteenth power (in Just Math)
Posted on 2013-01-12 (7 Comments)
Some Thoughts re: why d1 .?...spoiler by broll (2013-01-12 12:44:01)
Difficulty: 2 of 5Under Weights and balls (in Weights and Scales)
Posted on 2013-01-09 (4 Comments)
Some Thoughts re(2): Simple method. by broll (2013-01-10 08:29:59)
Solution Simple method. by broll (2013-01-10 01:25:02)
Difficulty: 2 of 5Under Triple 8 (in Numbers)
Posted on 2013-01-08 (9 Comments)
re(3): Observation by broll (2013-01-11 02:17:18)
Solution Generalisation by broll (2013-01-08 10:20:22)
Difficulty: 3 of 5Under Squaring the triangle (in Just Math)
Posted on 2013-01-07 (7 Comments)
Hints/Tips re(3): Bit different with added consideration - short step? by broll (2013-01-08 07:52:31)
Hints/Tips re: Bit different with added consideration by broll (2013-01-08 04:37:20)
re: computer solution by broll (2013-01-07 23:42:48)
Difficulty: 3 of 5Under Fifth powers (in Just Math)
Posted on 2013-01-06 (8 Comments)
Some Thoughts An interesting reference by broll (2013-01-06 23:30:32)
Difficulty: 3 of 5Under Divisible by 2009 (in Just Math)
Posted on 2013-01-05 (4 Comments)
Solution re(2): As years go by... by broll (2013-01-06 10:33:14)
Some Thoughts As years go by... by broll (2013-01-05 23:36:02)
Difficulty: 2 of 5Under Dual Prime Magic (in Numbers)
Posted on 2013-01-02 (2 Comments)
Some Thoughts Possible solution by broll (2013-01-03 00:09:00)
Difficulty: 3 of 5Under Ring in 2013 (in Numbers)
Posted on 2012-12-31 (5 Comments)
re(2): 'Slide Rule' Logic by broll (2013-01-02 01:48:36)
Some Thoughts 'Slide Rule' Logic by broll (2012-12-31 17:16:15)
Difficulty: 3 of 5Under Odd Men Out (in General)
Posted on 2012-12-30 (7 Comments)
Hints/Tips re(4): Trivia by broll (2013-01-06 06:58:36)
re(3): Trivia by broll (2013-01-02 14:13:46)
re: Trivia by broll (2013-01-02 03:00:59)
re: Trivia by broll (2013-01-02 03:00:43)
Difficulty: 3 of 5Under Area of semicircle (in Shapes)
Posted on 2012-12-27 (3 Comments)
Solution Intuitive solution. by broll (2012-12-28 00:03:14)
Difficulty: 3 of 5Under Perpendicular (in Geometry)
Posted on 2012-12-26 (5 Comments)
re(2): Possible approach (Spoiler) by broll (2012-12-27 15:28:25)
Some Thoughts Possible approach by broll (2012-12-26 23:57:56)
Difficulty: 3 of 5Under Rooting for Three Roots (in Just Math)
Posted on 2012-12-23 (3 Comments)
Some Thoughts re: agree, but . . . by broll (2012-12-24 04:23:35)
Difficulty: 3 of 5Under Not a Prime (in Just Math)
Posted on 2012-12-20 (6 Comments)
Solution Try this by broll (2012-12-21 07:04:27)
re(2): answer by broll (2012-12-21 06:12:32)
Difficulty: 2 of 5Under Transfer of initial digit (in Numbers)
Posted on 2012-12-20 (2 Comments)
re: I believe that there is a limit by broll (2012-12-22 08:33:13)
Difficulty: 3 of 5Under Ones and Nines (in Just Math)
Posted on 2012-12-13 (2 Comments)
Solution Progress by broll (2012-12-16 05:39:50)
possible approach by broll (2012-12-14 06:43:41)
Difficulty: 2 of 5Under Exp=log (in Just Math)
Posted on 2012-12-12 (9 Comments)
re: SPOILER by broll (2012-12-13 05:54:17)
re(2): possible solution--correction by broll (2012-12-13 04:21:06)
Difficulty: 3 of 5Under Subtractive years (in Numbers)
Posted on 2012-12-12 (6 Comments)
confirm solutions. by broll (2012-12-12 13:59:26)
Difficulty: 2 of 5Under Go count (in Numbers)
Posted on 2012-12-11 (6 Comments)
Some Thoughts possible approach by broll (2012-12-11 10:50:48)
Difficulty: 4 of 5Under Primary Problem 2 (in Just Math)
Posted on 2012-12-09 (4 Comments)
Some Thoughts possible approach by broll (2012-12-10 11:43:31)
Difficulty: 3 of 5Under My new sequence (in Sequences)
Posted on 2012-12-08 (5 Comments)
re: Poly thoughts? by broll (2012-12-09 07:53:32)
Difficulty: 2 of 5Under Divisible by 3. (in Just Math)
Posted on 2012-12-02 (5 Comments)
I think this works: by broll (2012-12-03 07:14:18)
re: Confusing problem by broll (2012-12-02 23:41:23)
Some Thoughts Some thoughts by broll (2012-12-02 11:23:10)
Difficulty: 2 of 5Under Twelve Period Tease (in Just Math)
Posted on 2012-11-30 (5 Comments)
possible solution by broll (2012-11-30 11:33:19)
Difficulty: 5 of 5Under Summing the fiftieth power (in Shapes)
Posted on 2012-11-29 (3 Comments)
Some Thoughts possible approach by broll (2012-11-30 04:52:27)
Difficulty: 2 of 5Under 3 cubes? - not always (in Just Math)
Posted on 2012-11-26 (1 Comments)
Solution Solution by broll (2012-11-27 00:34:28)
Difficulty: 3 of 5Under Getting closer (in Just Math)
Posted on 2012-11-25 (6 Comments)
re: answer by broll (2012-11-25 12:36:31)
Solution solution by broll (2012-11-25 11:57:38)
Difficulty: 3 of 5Under Skewed Area (in Shapes)
Posted on 2012-11-19 (1 Comments)
answer by broll (2012-11-19 22:59:20)
Difficulty: 3 of 5Under Square in Square (in Geometry)
Posted on 2012-11-17 (3 Comments)
Some Thoughts possible solution by broll (2012-11-18 03:52:58)
Difficulty: 3 of 5Under N 9 Terminations (in Numbers)
Posted on 2012-11-11 (4 Comments)
Some Thoughts possible approach by broll (2012-11-12 00:16:21)
Difficulty: 3 of 5Under An interesting sequence (in Numbers)
Posted on 2012-11-10 (2 Comments)
Solution The formula by broll (2012-11-11 01:58:20)
Difficulty: 3 of 5Under Consecutive Contemplation (in Numbers)
Posted on 2012-11-08 (6 Comments)
possible solution by broll (2012-11-09 02:04:01)
Difficulty: 2 of 5Under Extremum Expressions (in Just Math)
Posted on 2012-10-15 (4 Comments)
My guess by broll (2012-10-15 12:04:33)
Difficulty: 3 of 5Under Big B's theorem (in Geometry)
Posted on 2012-10-14 (2 Comments)
Some Thoughts Possible approach by broll (2012-10-14 11:05:07)
Difficulty: 4 of 5Under P/Q (in Just Math)
Posted on 2012-10-12 (5 Comments)
re: computer solution by broll (2012-10-13 09:11:52)
Possible answer by broll (2012-10-12 10:31:35)
Difficulty: 2 of 5Under Wiki Ladders (in Word Problems)
Posted on 2012-10-11 (7 Comments)
re: Another 6-link non-winning solution by broll (2012-10-13 04:41:56)
re: Another solution by broll (2012-10-12 08:29:03)
re: Two solutions by broll (2012-10-11 15:52:32)
re: Two solutions by broll (2012-10-11 15:46:34)
Difficulty: 3 of 5Under Prove it, please (in Just Math)
Posted on 2012-10-06 (3 Comments)
re(2): Solution by broll (2012-10-06 23:48:15)
Solution Solution by broll (2012-10-06 14:53:18)
Difficulty: 3 of 5Under The way to Normalville (in Liars and Knights)
Posted on 2012-10-05 (13 Comments)
re(2): First question only by broll (2012-10-08 01:33:12)
Hints/Tips Thoughts on the second question. by broll (2012-10-07 06:49:10)
Hints/Tips First question only by broll (2012-10-07 06:21:14)
Difficulty: 2 of 5Under Very disappointed (in Cryptography)
Posted on 2012-09-26 (2 Comments)
Solution Possible soution by broll (2012-09-26 11:27:47)
Difficulty: 2 of 5Under Palindrome ponder (in Just Math)
Posted on 2012-09-23 (8 Comments)
re: No Subject by broll (2012-09-23 13:21:16)
re: SOLUTION+ STRICT DEFINITIONs by broll (2012-09-23 12:33:46)
Difficulty: 3 of 5Under A Pythagorean piglet (in Just Math)
Posted on 2012-09-22 (4 Comments)
Some Thoughts re(3): Oinking solution. by broll (2012-12-23 09:12:26)
Some Thoughts re: Oinking solution. by broll (2012-09-26 00:42:04)
Difficulty: 3 of 5Under Proverbial Wisdom II (in Word Problems)
Posted on 2012-09-21 (5 Comments)
re(2): symk yrbd syms tlnt......THNKS by broll (2012-09-21 12:03:27)
Hints/Tips symk yrbd syms tlnt by broll (2012-09-21 11:42:45)
Difficulty: 2 of 5Under Though this be madness, yet there is method in it... (in Numbers)
Posted on 2012-09-20 (6 Comments)
Some Thoughts Best Answer by broll (2012-09-20 10:42:10)
Difficulty: 3 of 5Under US or NOT (in Cryptography)
Posted on 2012-09-18 (2 Comments)
6/6 by broll (2012-09-18 12:53:25)
Difficulty: 3 of 5Under Tri Square (in Geometry)
Posted on 2012-09-16 (3 Comments)
Very close.... by broll (2012-09-17 01:12:46)
Difficulty: 3 of 5Under A frugal sequence (in Numbers)
Posted on 2012-09-14 (13 Comments)
re(3): interesting side topic -- economical numbers -- transcription error compounded by broll (2012-09-15 11:00:30)
Hints/Tips possible approach by broll (2012-09-14 12:09:13)
re: Solution by broll (2012-09-14 11:52:53)
Difficulty: 4 of 5Under by L. Euler (in General)
Posted on 2012-09-08 (7 Comments)
re: difficulty level by broll (2012-09-09 00:28:20)
Difficulty: 2 of 5Under Cookie Monster (in Tricks)
Posted on 2012-09-06 (4 Comments)
re: Another idea by broll (2012-09-06 14:28:57)
Difficulty: 3 of 5Under 5th powers (in Numbers)
Posted on 2012-08-30 (4 Comments)
Solution Possible solution by broll (2012-08-30 12:39:53)
Difficulty: 3 of 5Under A Pythagorean triplet (in Numbers)
Posted on 2012-08-28 (4 Comments)
Some Thoughts Once in a lifetime opportunity by broll (2012-08-28 12:50:23)
possible solution by broll (2012-08-28 10:44:00)
Difficulty: 3 of 5Under Fifth power factor (in Just Math)
Posted on 2012-08-22 (3 Comments)
Some Thoughts re: computer exploration by broll (2012-08-23 01:39:47)
Some Thoughts Some thoughts by broll (2012-08-22 12:41:47)
Difficulty: 4 of 5Under Who am I? (in Riddles)
Posted on 2012-08-21 (3 Comments)
Possible part 1 by broll (2012-08-22 13:15:44)
Hints/Tips 2 by broll (2012-08-21 10:03:46)
Difficulty: 3 of 5Under 86 at most (in Numbers)
Posted on 2012-08-18 (2 Comments)
simple version by broll (2012-08-18 12:38:47)
Difficulty: 2 of 5Under Some cubes! (in Numbers)
Posted on 2012-08-10 (8 Comments)
re(4): first part by broll (2012-08-11 12:44:46)
re(2): first part by broll (2012-08-11 05:15:41)
Some Thoughts first part by broll (2012-08-10 12:20:32)
Difficulty: 2 of 5Under Some Squares Sum Square (in Just Math)
Posted on 2012-07-30 (9 Comments)
An observation. by broll (2012-07-30 14:16:43)
Difficulty: 3 of 5Under Equality for all (in Just Math)
Posted on 2012-07-29 (3 Comments)
the greedy teacher algorithm by broll (2012-07-30 14:03:06)
Difficulty: 3 of 5Under Pigeons again (in Sequences)
Posted on 2012-07-22 (2 Comments)
Some Thoughts I agree by broll (2012-07-23 00:48:23)
Difficulty: 3 of 5Under 9 of the same shape (in Geometry)
Posted on 2012-07-19 (3 Comments)
Hints/Tips Can't be done. by broll (2012-07-20 07:02:34)
Difficulty: 3 of 5Under 1232 is HERE (in Numbers)
Posted on 2012-07-18 (2 Comments)
Hints/Tips 2,3, and 4, possible approach by broll (2012-07-18 13:37:33)
Difficulty: 2 of 5Under 99 for odd powers (in Numbers)
Posted on 2012-07-14 (3 Comments)
Solution Primary-school proof. by broll (2012-07-15 01:12:05)
Difficulty: 3 of 5Under Timely determination II (in Just Math)
Posted on 2012-07-13 (4 Comments)
re(2): possible approach without division. by broll (2012-07-14 05:54:45)
possible approach without division. by broll (2012-07-13 13:24:58)
Difficulty: 4 of 5Under GIPSY ROAD: (in General)
Posted on 2012-07-12 (20 Comments)
re(3): Possible answer; possible difficulties. by broll (2012-07-14 09:39:12)
re: A RECTIFICATION by broll (2012-07-14 08:29:07)
re(5): HINT by broll (2012-07-14 04:44:02)
re(4): HINT by broll (2012-07-14 02:47:57)
re: Possible answer; possible difficulties. by broll (2012-07-14 02:13:33)
re(2): HINT by broll (2012-07-13 14:11:59)
HINT by broll (2012-07-13 13:38:51)
re(2): Is there a problem? a hint ,partial spoiler by broll (2012-07-13 05:24:05)
Question Is there a problem? by broll (2012-07-13 02:12:06)
Difficulty: 3 of 5Under Wasteland (in General)
Posted on 2012-07-11 (7 Comments)
re: One route for all??? by broll (2012-07-14 06:49:58)
A possible route: by broll (2012-07-14 03:04:43)
re(2): Request for clarifications by broll (2012-07-13 03:22:58)
Difficulty: 3 of 5Under All 10 digits (in Probability)
Posted on 2012-07-06 (5 Comments)
Possible solution by broll (2012-07-06 11:34:42)
Difficulty: 3 of 5Under Mein Field (in Games)
Posted on 2012-07-05 (5 Comments)
possible solution by broll (2012-07-05 11:12:39)
Difficulty: 4 of 5Under Complementary, my dear Watson (in Numbers)
Posted on 2012-06-22 (6 Comments)
Bonus by broll (2012-06-23 02:17:29)
Difficulty: 1 of 5Under Play on words II (in Riddles)
Posted on 2012-06-19 (8 Comments)
re(2): Entertainment by broll (2012-06-21 01:54:11)
Entertainment by broll (2012-06-20 00:11:02)
Difficulty: 3 of 5Under Abjad Analysis II (in Word Problems)
Posted on 2012-06-18 (6 Comments)
The basic idea is right but... by broll (2012-06-19 04:20:22)
Difficulty: 3 of 5Under The smallest sum II (in Numbers)
Posted on 2012-06-10 (3 Comments)
re: computer solution for part 1 (spoiler) by broll (2012-06-12 00:31:51)
Difficulty: 3 of 5Under The smallest sum (in Numbers)
Posted on 2012-06-02 (8 Comments)
re: a general formula by broll (2012-06-03 02:42:46)
re: aha -- computer solution by broll (2012-06-02 15:58:59)
Difficulty: 2 of 5Under Cheating by not cheating (in Riddles)
Posted on 2012-05-30 (12 Comments)
re: Spy school by broll (2012-06-11 00:20:28)
re(2): Possible solution by broll (2012-05-31 01:09:28)
Possible solution by broll (2012-05-30 13:20:40)
Difficulty: 2 of 5Under Produce More (in Numbers)
Posted on 2012-05-29 (5 Comments)
Possible solution by broll (2012-05-29 11:53:19)
Difficulty: 3 of 5Under Sorta pythagoric...(2) (in Just Math)
Posted on 2012-05-26 (5 Comments)
re: Question by broll (2012-05-28 11:31:41)
Some Thoughts possible answer by broll (2012-05-27 13:01:20)
Difficulty: 3 of 5Under A Prime Triplet (in Numbers)
Posted on 2012-05-19 (5 Comments)
Partial approach by broll (2012-05-20 05:15:51)
Difficulty: 2 of 5Under Many Multiples (in Sequences)
Posted on 2012-04-30 (8 Comments)
re: Egg on my face by broll (2012-05-01 23:59:38)
Difficulty: 3 of 5Under Normal or not? (in Numbers)
Posted on 2012-04-29 (3 Comments)
re: I think... by broll (2012-07-02 06:16:29)
Note by broll (2012-05-29 12:58:20)
Difficulty: 3 of 5Under Twenty what?! (in Word Problems)
Posted on 2012-04-17 (10 Comments)
n by broll (2012-04-17 14:52:03)
Difficulty: 3 of 5Under Lengthy Word 2 (in Word Problems)
Posted on 2012-04-16 (2 Comments)
Some Thoughts Some guesses by broll (2012-04-16 11:22:50)
Difficulty: 1 of 5Under Loops in PI (in Logic)
Posted on 2012-04-15 (5 Comments)
re(2): a different way YOU ARE RIGHT by broll (2012-04-16 08:44:47)
a different way by broll (2012-04-16 00:49:59)
Difficulty: 3 of 5Under Three Power Remainder (in Just Math)
Posted on 2012-04-14 (4 Comments)
Some Thoughts possible solution by broll (2012-04-15 03:53:18)
Difficulty: 2 of 5Under 682 (in Numbers)
Posted on 2012-04-13 (12 Comments)
re(3): solution + HINT- NO SPOILER by broll (2012-04-15 02:44:42)
re: solution by broll (2012-04-15 02:07:24)
Difficulty: 3 of 5Under End and Begin (in Word Problems)
Posted on 2012-04-09 (7 Comments)
13 by broll (2012-04-09 12:38:07)
Difficulty: 3 of 5Under Return to Treasure Island (in General)
Posted on 2012-04-05 (14 Comments)
re: No Subject by broll (2012-04-07 02:34:21)
re: observation as to the puzzle's wording by broll (2012-04-06 12:13:09)
re(2): I've seen this before so just a hint... by broll (2012-04-06 00:44:29)
Difficulty: 3 of 5Under Proof needed (in Just Math)
Posted on 2012-03-30 (2 Comments)
Some Thoughts possible solution by broll (2012-03-31 10:29:30)
Difficulty: 3 of 5Under Sorting Coins II (in Weights and Scales)
Posted on 2012-03-28 (4 Comments)
re(2): Full Solution by broll (2016-06-05 12:30:23)
Difficulty: 3 of 5Under Quite a Handful (in Word Problems)
Posted on 2012-03-22 (6 Comments)
re(3): One of the things in common by broll (2012-03-30 03:38:41)
re(3): One of the things in common by broll (2012-03-23 09:40:03)
re: One of the things in common by broll (2012-03-23 00:48:47)
Difficulty: 1 of 5Under Redundant questions (in Word Problems)
Posted on 2012-03-19 (11 Comments)
re: Other (silly )possibilities by broll (2012-03-20 03:44:40)
Difficulty: 3 of 5Under Equilateral 1234 (in Shapes)
Posted on 2012-03-17 (7 Comments)
re: possible solution by broll (2012-03-30 23:43:04)
re: possible solution by broll (2012-03-30 06:17:35)
Difficulty: 3 of 5Under Summing inverses II (in Just Math)
Posted on 2012-03-16 (12 Comments)
Now I've seen how it's done... by broll (2012-03-17 02:11:19)
a try by broll (2012-03-16 12:13:40)
Difficulty: 2 of 5Under Fifth Term Settlement (in Sequences)
Posted on 2012-03-14 (2 Comments)
Some Thoughts Possible solution by broll (2012-03-14 10:48:50)
Difficulty: 2 of 5Under 3 causes 7 (in Numbers)
Posted on 2012-03-10 (2 Comments)
Some Thoughts A definition by broll (2012-03-11 01:34:26)
Difficulty: 3 of 5Under The Matchstick Man Strikes Back (in Just Math)
Posted on 2012-03-07 (5 Comments)
re(3): a solution for n=3 by broll (2012-03-11 05:39:24)
Question re: a solution for n=3 by broll (2012-03-10 15:26:23)
Difficulty: 3 of 5Under A Cup Of Coffee II (in Weights and Scales)
Posted on 2012-03-06 (11 Comments)
re(4): Possible solution by broll (2012-03-07 12:51:25)
re(2): Possible solution by broll (2012-03-06 23:35:51)
Possible solution by broll (2012-03-06 13:56:56)
Difficulty: 3 of 5Under Longest by Halves (in Word Problems)
Posted on 2012-03-05 (6 Comments)
re: small decorative braid in the hair by broll (2012-03-06 23:54:02)
re(3): solution by broll (2012-03-06 06:50:12)
re: solution by broll (2012-03-05 11:25:06)
Difficulty: 3 of 5Under Inner Insertion (in Word Problems)
Posted on 2012-03-01 (5 Comments)
3 of them by broll (2012-03-01 12:32:05)
Difficulty: 3 of 5Under Matchstick Frenzy II (in Just Math)
Posted on 2012-02-26 (6 Comments)
Possible solution by broll (2012-02-27 01:02:13)
Difficulty: 3 of 5Under Constructing a Sphere (in Algorithms)
Posted on 2012-02-25 (16 Comments)
re: coming from behind by broll (2012-03-02 11:08:59)
Difficulty: 2 of 5Under Rowald's Rime (in Riddles)
Posted on 2012-02-24 (2 Comments)
re: Just guessing ... by broll (2012-02-25 08:55:10)
Difficulty: 2 of 5Under 39 does it (in Just Math)
Posted on 2012-02-19 (4 Comments)
Solution A simpler explanation by broll (2012-02-20 02:00:25)
Difficulty: 3 of 5Under Midpoint Areas (in Geometry)
Posted on 2012-02-18 (2 Comments)
Some Thoughts Possible solution by broll (2012-02-19 08:02:30)
Difficulty: 3 of 5Under Find Formula (in Sequences)
Posted on 2012-02-17 (4 Comments)
possible solution by broll (2012-02-18 00:37:30)
Difficulty: 4 of 5Under Which is Which II (in Weights and Scales)
Posted on 2012-02-15 (4 Comments)
Hints/Tips To save people's time by broll (2012-02-16 06:34:13)
Difficulty: 3 of 5Under 1 Isosceles into 6 (in Shapes)
Posted on 2012-02-14 (3 Comments)
re(2): possible solution by broll (2012-02-15 15:07:41)
Solution possible solution by broll (2012-02-15 00:17:20)
Difficulty: 1 of 5Under Decimal base? Of course... (in Tricks)
Posted on 2012-02-13 (15 Comments)
Some Thoughts .. not.. by broll (2012-02-13 13:42:39)
Difficulty: 3 of 5Under Boosted board (in General)
Posted on 2012-02-07 (11 Comments)
re(3): Final Answer ?? (spoiler) by broll (2012-02-10 09:16:59)
Difficulty: 2 of 5Under Covering a rectangle by circles (in Shapes)
Posted on 2012-01-30 (6 Comments)
re(2): Possible solution by broll (2012-01-31 11:02:56)
Possible solution by broll (2012-01-31 02:01:07)
Difficulty: 3 of 5Under Simultaneous Settlement (in Just Math)
Posted on 2012-01-27 (8 Comments)
Possible solution by broll (2012-01-27 14:27:38)
Difficulty: 3 of 5Under Who stole the Perplexicon? (in Liars and Knights)
Posted on 2012-01-11 (8 Comments)
Some Thoughts Possible solution by broll (2012-01-11 11:37:51)
Difficulty: 3 of 5Under More about 1729 (in Numbers)
Posted on 2012-01-04 (8 Comments)
Some Thoughts re 2. by broll (2012-01-05 02:16:11)
Difficulty: 3 of 5Under 2011 Square Sum Start (in Just Math)
Posted on 2011-12-31 (1 Comments)
Possible solution by broll (2012-01-04 22:45:10)
Difficulty: 2 of 5Under SF Author Quote (in Cryptography)
Posted on 2011-12-09 (3 Comments)
Some Thoughts Possible solution. by broll (2011-12-09 13:32:06)
Difficulty: 3 of 5Under Not all are equal (in Just Math)
Posted on 2011-12-03 (8 Comments)
re(3): Solution by broll (2011-12-08 13:52:12)
re: Solution by broll (2011-12-08 02:13:23)
re(2): possible solution by broll (2011-12-04 10:08:20)
possible solution by broll (2011-12-04 04:09:59)
Difficulty: 3 of 5Under Over fourteen (in Sequences)
Posted on 2011-12-02 (4 Comments)
Some Thoughts Some thoughts by broll (2011-12-04 03:38:00)
Difficulty: 4 of 5Under Prime Order (in Just Math)
Posted on 2011-11-27 (1 Comments)
Some Thoughts Some thoughts by broll (2011-11-28 11:59:42)
Difficulty: 2 of 5Under All in the family (in Just Math)
Posted on 2011-11-20 (17 Comments)
re(2): possible solution by broll (2011-11-21 06:04:29)
possible solution by broll (2011-11-21 00:01:38)
Difficulty: 3 of 5Under Proximo Ultimo Sum (in Sequences)
Posted on 2011-11-16 (5 Comments)
re(2): The easy way is turning out to be hard by broll (2011-11-16 22:40:29)
Difficulty: 3 of 5Under Frog Frolics (in Numbers)
Posted on 2011-11-15 (6 Comments)
draft solution for comment by broll (2011-11-20 07:34:15)
re(2): Some more thoughts and more questions by broll (2011-11-16 23:06:37)
Hints/Tips re: Some thoughts and questions by broll (2011-11-15 22:56:23)
Difficulty: 2 of 5Under Some relation! (in Just Math)
Posted on 2011-11-11 (10 Comments)
re(3): Solution by broll (2011-11-11 23:38:21)
re: Solution by broll (2011-11-11 12:11:05)
Difficulty: 3 of 5Under Power Difference (in Just Math)
Posted on 2011-11-06 (5 Comments)
Possible solution by broll (2011-11-06 13:51:34)
Difficulty: 3 of 5Under An extended harmony (in Just Math)
Posted on 2011-11-01 (5 Comments)
Implementation in Mathematica. by broll (2011-11-02 05:50:02)
Difficulty: 2 of 5Under Sense of Discovery (in General)
Posted on 2011-10-31 (11 Comments)
re: Turns by broll (2011-11-04 09:36:17)
Difficulty: 4 of 5Under Special dice (in Just Math)
Posted on 2011-10-30 (18 Comments)
re(3): Possible solution CONCERNS EVERYBODY by broll (2011-10-31 09:34:40)
re: solution by broll (2011-10-31 02:30:35)
re(2): Possible solution by broll (2011-10-30 23:31:21)
Possible solution by broll (2011-10-30 11:34:43)
Difficulty: 4 of 5Under Repunit Rigor (in Just Math)
Posted on 2011-10-25 (5 Comments)
Possible Solution by broll (2011-10-26 00:08:15)
Difficulty: 2 of 5Under Ray Ratio (in Geometry)
Posted on 2011-10-23 (1 Comments)
Some Thoughts Possible solution by broll (2011-10-24 01:10:47)
Difficulty: 3 of 5Under Last three digits (in Just Math)
Posted on 2011-10-19 (9 Comments)
Solution A child of 5 could do it.. by broll (2011-10-19 12:02:16)
Difficulty: 4 of 5Under Nickki Primes (in Numbers)
Posted on 2011-10-18 (1 Comments)
Hints/Tips A resource by broll (2011-10-21 22:46:02)
Difficulty: 1 of 5Under Three customers (in Logic)
Posted on 2011-10-17 (9 Comments)
re: three customers? by broll (2011-10-18 05:04:44)
Difficulty: 3 of 5Under Salsa-metics (in Numbers)
Posted on 2011-10-16 (3 Comments)
Solution Well done both! by broll (2011-10-17 00:15:43)
Difficulty: 3 of 5Under Going Maximum With Perfect Cubes (in Just Math)
Posted on 2011-10-15 (1 Comments)
Solution Possible solution by broll (2011-10-15 11:02:11)
Difficulty: 3 of 5Under Squares by the dozen (in Numbers)
Posted on 2011-10-13 (2 Comments)
re: Computer Search (spoiler) by broll (2011-10-18 22:44:53)
Difficulty: 2 of 5Under Prime and power poser (in Just Math)
Posted on 2011-10-09 (3 Comments)
re(2): possible answer by broll (2011-10-09 23:51:53)
Difficulty: 5 of 5Under Build one get two free (in Numbers)
Posted on 2011-10-08 (5 Comments)
Good problem by broll (2011-10-10 00:07:55)
re: first one ( maybe more) by broll (2011-10-09 05:55:32)
Difficulty: 3 of 5Under 2011 Square End (in Just Math)
Posted on 2011-10-06 (3 Comments)
possible solution by broll (2011-10-07 02:00:21)
Difficulty: 3 of 5Under Concerning combinatorics (in Numbers)
Posted on 2011-10-04 (7 Comments)
Some Thoughts Possible explanation by broll (2011-10-04 12:53:20)
Difficulty: 3 of 5Under Divisible (in Sequences)
Posted on 2011-09-30 (6 Comments)
Solution by broll (2011-10-01 09:06:28)
Difficulty: 2 of 5Under Two-digit numbers (in Sequences)
Posted on 2011-09-29 (4 Comments)
re: I got it (spoiler.) by broll (2011-09-29 13:22:30)
Hints/Tips Not as easy as pie by broll (2011-09-29 12:57:08)
Difficulty: 2 of 5Under Surf City Semiprimes (in Numbers)
Posted on 2011-09-27 (4 Comments)
Hints/Tips No Subject by broll (2011-09-27 23:14:21)
Difficulty: 3 of 5Under Some pedigree! (in Logic)
Posted on 2011-09-26 (4 Comments)
Some Thoughts Possible solution by broll (2011-09-26 21:42:08)
Difficulty: 3 of 5Under 1000 ways (in Numbers)
Posted on 2011-09-23 (5 Comments)
re(3): Making inside etc - will comment later. by broll (2011-10-19 12:18:55)
re(3): Making inside etc - will comment later. by broll (2011-09-30 03:58:27)
Difficulty: 2 of 5Under Duodecimal Digits (in Just Math)
Posted on 2011-09-22 (5 Comments)
Possible solution by broll (2011-09-22 21:21:03)
Difficulty: 3 of 5Under 2011 Square Start (in Just Math)
Posted on 2011-09-16 (5 Comments)
re(2): solution by broll (2011-09-17 02:07:20)
Difficulty: 4 of 5Under 12 ways (in Numbers)
Posted on 2011-09-08 (4 Comments)
Solution by broll (2011-09-08 20:52:11)
Difficulty: 3 of 5Under Electric Rabbits (in Sequences)
Posted on 2011-09-07 (2 Comments)
re: solution (spoiler) by broll (2011-09-07 22:53:53)
Difficulty: 3 of 5Under Sweet 17 (in Numbers)
Posted on 2011-09-05 (3 Comments)
re: More generally (spoiler) by broll (2011-09-06 02:32:31)
Difficulty: 3 of 5Under Squaring Up The Digits II (in Just Math)
Posted on 2011-09-03 (7 Comments)
re(2): Possible soution by broll (2011-09-05 00:51:52)
Possible soution by broll (2011-09-04 01:29:59)
Difficulty: 3 of 5Under Factorial Remainder (in Just Math)
Posted on 2011-09-02 (9 Comments)
No Subject by broll (2011-09-03 00:49:49)
Difficulty: 3 of 5Under Abjad Analysis (in Word Problems)
Posted on 2011-08-31 (6 Comments)
re: Full list -- (spoiler) by broll (2011-09-01 22:45:38)
re: L by broll (2011-08-31 23:45:59)
Difficulty: 2 of 5Under It is not hard (in Word Problems)
Posted on 2011-08-29 (8 Comments)
A twist by broll (2011-08-30 01:22:23)
Difficulty: 3 of 5Under Quartic Quandary (in Just Math)
Posted on 2011-08-23 (1 Comments)
Solution by broll (2011-08-24 06:39:28)
Difficulty: 4 of 5Under Mine & thine (in Just Math)
Posted on 2011-08-19 (6 Comments)
re(4): AN IM possible variant by broll (2011-08-21 11:56:41)
re(2): AN IM possible variant by broll (2011-08-21 05:59:59)
A possible variant by broll (2011-08-20 04:30:33)
Difficulty: 3 of 5Under 59 in one way (in Numbers)
Posted on 2011-08-13 (7 Comments)
Possible solution by broll (2011-08-19 22:47:00)
Difficulty: 2 of 5Under Squaring Up The Digits (in Numbers)
Posted on 2011-07-28 (2 Comments)
Some Thoughts observation by broll (2011-07-28 14:14:13)
Difficulty: 3 of 5Under If you don't know the words, just whistle the tune... (in Word Problems)
Posted on 2011-07-27 (6 Comments)
solution to 7. by broll (2011-08-20 00:55:49)
Well done! by broll (2011-07-29 02:52:14)
Difficulty: 3 of 5Under Product + Square = Difference of Squares (2) (in Just Math)
Posted on 2011-07-20 (2 Comments)
re: Solution by broll (2011-07-26 02:08:50)
Difficulty: 3 of 5Under Superprimes (in Numbers)
Posted on 2011-07-18 (2 Comments)
Solution by broll (2011-07-19 02:38:59)
Difficulty: 3 of 5Under Over the Baker's Fence (in Cryptography)
Posted on 2011-07-07 (4 Comments)
re: Baking kippers by broll (2011-07-08 12:13:58)
re: Just musing by broll (2011-07-08 01:54:01)
Difficulty: 4 of 5Under Yosi will be 13 years old (in General)
Posted on 2011-07-04 (11 Comments)
Possible solution by broll (2011-07-05 02:53:33)
Difficulty: 3 of 5Under Product + Square = Difference of Squares (in Just Math)
Posted on 2011-07-03 (2 Comments)
Possible solution by broll (2011-07-04 02:08:01)
Difficulty: 3 of 5Under Sum powers do not take five (in Just Math)
Posted on 2011-06-30 (3 Comments)
Possible solution by broll (2011-07-01 01:57:49)
Difficulty: 4 of 5Under Prime Test (3) - Final (in Numbers)
Posted on 2011-06-25 (1 Comments)
Apologies by broll (2011-08-21 06:22:09)
Difficulty: 4 of 5Under Cover-up (in Shapes)
Posted on 2011-06-23 (4 Comments)
Possible solution by broll (2011-06-23 12:35:42)
Some Thoughts a start by broll (2011-06-23 12:15:01)
Difficulty: 3 of 5Under Fermat simplified (in Just Math)
Posted on 2011-06-21 (2 Comments)
possible solution by broll (2011-06-22 01:37:42)
Difficulty: 2 of 5Under Ratio Resolution (in Just Math)
Posted on 2011-06-15 (6 Comments)
re(4): answers only- spoiler by broll (2011-06-21 03:50:05)
re(2): answers only- spoiler by broll (2011-06-20 14:23:48)
Difficulty: 3 of 5Under Samba Primes (in Numbers)
Posted on 2011-06-14 (9 Comments)
re(2): Supplementary condition to resolve duplicate solution. by broll (2011-06-15 15:02:02)
Hints/Tips Supplementary condition to resolve duplicate solution. by broll (2011-06-15 11:30:20)
Difficulty: 4 of 5Under Antonymic Laddergrams (in Word Problems)
Posted on 2011-06-08 (6 Comments)
Shortest chains by broll (2011-06-08 13:50:49)
Difficulty: 3 of 5Under Interesting numbers (in Sequences)
Posted on 2011-06-07 (3 Comments)
re: Sloaneable (spoiler) by broll (2011-06-08 01:41:07)
Difficulty: 3 of 5Under Missing digits (in Just Math)
Posted on 2011-06-06 (8 Comments)
4 by hand, just for fun by broll (2011-06-08 07:40:42)
Difficulty: 2 of 5Under Diophantine quickie (in Just Math)
Posted on 2011-05-27 (3 Comments)
Possible solution by broll (2011-05-27 12:46:03)
Difficulty: 4 of 5Under One harder sequence (in Sequences)
Posted on 2011-05-24 (6 Comments)
re(3): One possible answer to what's next by broll (2011-06-27 22:22:10)
re: One possible answer to what's next by broll (2011-06-27 08:54:36)
Hint 2 by broll (2011-06-26 11:18:29)
Hints/Tips Hint by broll (2011-06-22 05:29:02)
Difficulty: 3 of 5Under Will I get a dog? (in Logic)
Posted on 2011-05-20 (6 Comments)
re: an answer to the question by broll (2011-05-21 11:51:14)
possible solution by broll (2011-05-20 15:46:29)
Difficulty: 2 of 5Under Conic Curiosity (in Numbers)
Posted on 2011-05-19 (2 Comments)
re: Outline Solution (spoiler) by broll (2011-05-28 09:48:04)
Difficulty: 3 of 5Under Terminating in three 8s (in Just Math)
Posted on 2011-05-11 (3 Comments)
re: kudos by broll (2011-05-14 17:45:26)
Difficulty: 3 of 5Under Prime Test (2) (in Numbers)
Posted on 2011-05-08 (3 Comments)
re: No Subject by broll (2011-05-13 06:36:55)
Difficulty: 3 of 5Under Many triplets II (in Just Math)
Posted on 2011-05-07 (4 Comments)
re: question by broll (2011-05-10 09:55:46)
Some Thoughts Possible solution by broll (2011-05-07 14:32:35)
Difficulty: 2 of 5Under Any Guesses? (in Sequences)
Posted on 2011-05-05 (4 Comments)
re(2): Should that be 'any glasses'? by broll (2011-05-06 01:29:03)
Hints/Tips Should that be 'any glasses'? by broll (2011-05-05 14:09:31)
Difficulty: 5 of 5Under Lovecraft calling (in Cryptography)
Posted on 2011-04-30 (2 Comments)
Hints/Tips re: Hints needed by broll (2011-05-14 17:43:57)
Difficulty: 3 of 5Under Closed Closure (in Just Math)
Posted on 2011-04-28 (3 Comments)
The closed form by broll (2011-04-29 06:32:58)
Difficulty: 3 of 5Under Joe's favorite number (in Liars and Knights)
Posted on 2011-04-27 (4 Comments)
possible solution by broll (2011-04-28 03:18:05)
Difficulty: 3 of 5Under Carol's Birthday (in Numbers)
Posted on 2011-04-26 (1 Comments)
possible solution by broll (2011-04-26 12:59:17)
Difficulty: 3 of 5Under Power Division (in Just Math)
Posted on 2011-04-19 (2 Comments)
Possible solution by broll (2011-04-19 13:24:34)
Difficulty: 2 of 5Under Quartic and Consecutive Concern (in Just Math)
Posted on 2011-04-17 (1 Comments)
Possible solution by broll (2011-04-18 13:43:46)
Difficulty: 3 of 5Under Find the area (in Numbers)
Posted on 2011-04-08 (5 Comments)
Solution Solution by broll (2011-04-09 07:23:23)
Difficulty: 2 of 5Under Parallel Hexagon (in Geometry)
Posted on 2011-04-07 (1 Comments)
Solution Solution (spoiler) by broll (2011-04-08 02:14:16)
Difficulty: 3 of 5Under My favorite numbers VII (in Just Math)
Posted on 2011-04-06 (3 Comments)
Solution by broll (2011-04-07 02:38:25)
Difficulty: 3 of 5Under The Voyage of the Mako (in General)
Posted on 2011-04-05 (14 Comments)
re: A new answer by broll (2011-04-08 13:05:19)
Solution now posted by broll (2011-04-08 08:57:53)
re(3): An example of one solution by broll (2011-04-08 02:26:29)
re: An example of one solution by broll (2011-04-07 14:38:12)
re: an attempt at a solution by broll (2011-04-07 11:55:52)
re: answer by broll (2011-04-06 09:07:26)
Difficulty: 3 of 5Under Splitting Hypotenuse (in Geometry)
Posted on 2011-04-03 (2 Comments)
Some Thoughts Possible solution by broll (2011-04-04 07:06:30)
Difficulty: 4 of 5Under Sequence Group V (in Just Math)
Posted on 2011-03-31 (4 Comments)
Solution At last a winner by broll (2011-04-06 12:26:51)
Further improvement by broll (2011-04-06 10:28:24)
Possible approach and a suggested answer by broll (2011-04-05 12:17:17)
Difficulty: 3 of 5Under Powerful Digit (in Probability)
Posted on 2011-03-29 (12 Comments)
Possible solution to part 4. by broll (2011-03-30 07:51:56)
Difficulty: 3 of 5Under Celebrity Squares (in Numbers)
Posted on 2011-03-29 (2 Comments)
solution by broll (2011-04-21 06:59:45)
Difficulty: 3 of 5Under Factorial Difference = Perfect Square (in Just Math)
Posted on 2011-03-28 (3 Comments)
possible solution by broll (2011-03-29 03:06:23)
Difficulty: 3 of 5Under All or Exactly Two (in Geometry)
Posted on 2011-03-27 (5 Comments)
Possible approach by broll (2011-03-28 03:07:28)
Difficulty: 4 of 5Under Factor numbers (in Just Math)
Posted on 2011-03-26 (5 Comments)
re(2): possible solution by broll (2011-03-28 01:42:40)
possible solution by broll (2011-03-26 13:28:37)
Difficulty: 3 of 5Under 2011 Powered Digits (in Just Math)
Posted on 2011-03-25 (5 Comments)
re(2): The Broll guesses... by broll (2011-03-26 02:47:20)
The Broll guesses... by broll (2011-03-25 11:30:42)
Difficulty: 3 of 5Under Rational Rigor (in Just Math)
Posted on 2011-03-22 (4 Comments)
Possible solution. by broll (2011-03-23 08:54:12)
Difficulty: 3 of 5Under AutoHomophone (in Word Problems)
Posted on 2011-03-22 (4 Comments)
re: consonant clusters by broll (2011-03-23 00:58:57)
Difficulty: 3 of 5Under My stock (in Numbers)
Posted on 2011-03-19 (5 Comments)
Solution possible solution by broll (2011-03-20 02:21:11)
Difficulty: 2 of 5Under Another Quickie (in Numbers)
Posted on 2011-03-13 (2 Comments)
re: spoiler by broll (2011-03-14 01:43:19)
Difficulty: 3 of 5Under Divisibility to square (in Just Math)
Posted on 2011-03-05 (4 Comments)
re(2): Do any exist? by broll (2011-03-10 02:49:33)
Difficulty: 3 of 5Under 20(11) a tenth power? Baseless! (in Just Math)
Posted on 2011-02-26 (1 Comments)
possible solution by broll (2011-02-27 02:21:28)
Difficulty: 3 of 5Under Sevenths Sliced Square (in Geometry)
Posted on 2011-02-24 (7 Comments)
Some Thoughts a thought by broll (2011-02-26 04:07:14)
Difficulty: 3 of 5Under Get the last digit II (in Numbers)
Posted on 2011-02-23 (4 Comments)
Some Thoughts Pissible solution by broll (2011-02-23 14:59:33)
Difficulty: 3 of 5Under Sum (expression) = 10*n (in Just Math)
Posted on 2011-02-22 (5 Comments)
re(2): Possible solution by broll (2011-02-23 07:44:24)
Possible solution by broll (2011-02-23 07:08:40)
Difficulty: 2 of 5Under Atlas From a Map (in Numbers)
Posted on 2011-02-22 (1 Comments)
Some Thoughts Possible solution by broll (2011-02-22 14:56:05)
Difficulty: 3 of 5Under Short and sweet (in Numbers)
Posted on 2011-02-21 (4 Comments)
re(2): spoiler by broll (2011-02-25 09:01:26)
re: spoiler by broll (2011-02-25 04:05:28)
Difficulty: 3 of 5Under a) is easy, b) is not (in Just Math)
Posted on 2011-02-18 (8 Comments)
re: Old-fogey logic (spoiler) by broll (2011-02-19 02:43:29)
Difficulty: 4 of 5Under Upgrade to 13 (in Weights and Scales)
Posted on 2011-02-16 (4 Comments)
possible solution by broll (2011-02-18 04:48:36)
Difficulty: 2 of 5Under "?"..."!" (in Cryptography)
Posted on 2011-02-11 (21 Comments)
re(5): Last hint by broll (2011-02-18 06:12:58)
re(3): Last hint by broll (2011-02-17 06:51:49)
Hints/Tips re: Last hint by broll (2011-02-17 03:13:43)
Hints/Tips Dear All: Big Hint/semi-spoiler by broll (2011-02-16 13:20:08)
re(2): Dear All by broll (2011-02-15 02:07:57)
re: Dear All by broll (2011-02-14 01:51:01)
Dear All by broll (2011-02-13 03:28:52)
Difficulty: 3 of 5Under Pythagoras Unconventional (in Numbers)
Posted on 2011-02-10 (10 Comments)
re(2): one possible choice by broll (2011-02-11 02:18:43)
Difficulty: 3 of 5Under Find the area (in Geometry)
Posted on 2011-02-09 (4 Comments)
re(2): Solution by broll (2011-02-11 02:28:10)
Possible solution by broll (2011-02-10 01:43:03)
Difficulty: 3 of 5Under Q^2 + R = 1977 (in Just Math)
Posted on 2011-02-08 (7 Comments)
re(2): Supplementary questions by broll (2011-02-09 15:56:25)
Supplementary questions by broll (2011-02-09 05:50:57)
Difficulty: 3 of 5Under e^(e^x) (in Calculus)
Posted on 2011-02-08 (5 Comments)
Possible approach by broll (2011-02-08 12:55:37)
Difficulty: 3 of 5Under Factorial Ratio (in Just Math)
Posted on 2011-02-05 (3 Comments)
possible solution. by broll (2011-02-06 05:37:27)
Difficulty: 3 of 5Under Powered Greatest Root (in Sequences)
Posted on 2011-02-03 (4 Comments)
re: solution via research and quad formula, with a fudge for n=1 by broll (2011-02-04 03:34:23)
Question Question? by broll (2011-02-03 13:48:13)
Difficulty: 3 of 5Under 241 (in Just Math)
Posted on 2011-02-02 (4 Comments)
re: solutions by broll (2011-02-02 15:39:51)
Some Thoughts possible solution part 1. by broll (2011-02-02 14:27:39)
Difficulty: 2 of 5Under Contestants in a Circle (in Numbers)
Posted on 2011-01-31 (3 Comments)
re: easy way out by broll (2011-02-01 02:39:30)
Possible solution by broll (2011-01-31 15:20:03)
Difficulty: 4 of 5Under Start as you wish (in Numbers)
Posted on 2011-01-29 (3 Comments)
re: Old-fogey logic by broll (2011-01-30 12:57:50)
Some Thoughts Possible solution by broll (2011-01-30 03:59:41)
Difficulty: 2 of 5Under A cool prime number (in Numbers)
Posted on 2011-01-27 (3 Comments)
Possible solution by broll (2011-01-28 01:53:12)
Difficulty: 3 of 5Under Just P&P (in Numbers)
Posted on 2011-01-23 (6 Comments)
re: just a digression (though spoiler is present) by broll (2011-01-23 13:56:22)
Difficulty: 3 of 5Under Reloading the Dice (in Probability)
Posted on 2011-01-20 (10 Comments)
re: A further improvement by broll (2011-01-21 03:07:04)
Some Thoughts possible approach by broll (2011-01-20 17:33:23)
Difficulty: 3 of 5Under Sum and Ratio Sum (in Just Math)
Posted on 2011-01-16 (4 Comments)
re(2): Possible solution by broll (2011-01-18 01:57:24)
Possible solution by broll (2011-01-17 02:08:11)
Difficulty: 3 of 5Under Three Term Trial (in Just Math)
Posted on 2011-01-15 (4 Comments)
Some Thoughts possible solution by broll (2011-01-16 06:07:44)
Difficulty: 3 of 5Under p^7 + q^3 = r^2 (in Numbers)
Posted on 2011-01-09 (3 Comments)
Some Thoughts some thoughts by broll (2011-01-10 04:16:12)
Difficulty: 2 of 5Under Powers of primes (in Numbers)
Posted on 2011-01-06 (5 Comments)
re(4): possible solution.....possible? Yes,but by broll (2011-01-11 04:17:58)
re(2): possible solution.....possible? by broll (2011-01-07 06:46:24)
possible solution by broll (2011-01-07 02:04:43)
Difficulty: 1 of 5Under only one (in Numbers)
Posted on 2010-12-28 (3 Comments)
re: Solution (spoiler) by broll (2010-12-29 05:51:26)
Difficulty: 3 of 5Under Single or double (in Numbers)
Posted on 2010-12-24 (6 Comments)
re(2): Similar approach by broll (2010-12-25 10:57:16)
Similar approach by broll (2010-12-25 01:02:58)
Difficulty: 2 of 5Under Fermat+1 (in Numbers)
Posted on 2010-12-22 (3 Comments)
Some Thoughts Prettier? by broll (2012-12-26 02:52:01)
re: A start by broll (2010-12-27 12:18:22)
Difficulty: 3 of 5Under Around the ring (in Shapes)
Posted on 2010-12-20 (9 Comments)
re(3): part 1 not finished. by broll (2010-12-22 04:14:05)
re: part 1 not finished. by broll (2010-12-21 11:52:12)
re(2): part 1 spoiler -- whoops by broll (2010-12-21 06:44:49)
Difficulty: 3 of 5Under Sum Prime Power (in Just Math)
Posted on 2010-12-14 (1 Comments)
Possible Solution by broll (2010-12-14 15:08:55)
Difficulty: 2 of 5Under Hail to thee, Sofia! (in Just Math)
Posted on 2010-12-13 (10 Comments)
re(2): possible method. by broll (2010-12-14 03:12:24)
possible method. by broll (2010-12-14 00:58:49)
Difficulty: 4 of 5Under The Armies of the Djinn. (in Numbers)
Posted on 2010-12-09 (3 Comments)
Draft solution. by broll (2011-06-06 08:59:56)
Hint(2) by broll (2011-01-01 10:44:26)
Hint by broll (2010-12-14 01:34:00)
Difficulty: 2 of 5Under Mother of nine (in Just Math)
Posted on 2010-12-03 (5 Comments)
re(2): possible solutionS+ Auhor's apology by broll (2010-12-04 04:01:50)
possible solution by broll (2010-12-04 00:38:53)
Difficulty: 3 of 5Under Dozen Divisibility Dilemma (in Just Math)
Posted on 2010-12-02 (4 Comments)
re(2): Possible solution by broll (2010-12-04 00:15:06)
Some Thoughts Possible solution by broll (2010-12-03 04:49:42)
Difficulty: 3 of 5Under Card Tableau in Black and White (in Logic)
Posted on 2010-11-30 (3 Comments)
Possible Solution by broll (2010-11-30 12:56:24)
Difficulty: 3 of 5Under Face book (in Cryptography)
Posted on 2010-11-29 (11 Comments)
re: Applying it by broll (2010-11-30 13:47:26)
Partial solution by broll (2010-11-30 02:27:37)
Difficulty: 4 of 5Under Triangulating a hexagon. (in Just Math)
Posted on 2010-11-24 (7 Comments)
re(4): by my count -- proposed solution -- missed a set by broll (2010-11-24 15:54:06)
re(2): by my count -- proposed solution -- missed a set by broll (2010-11-24 14:10:44)
Difficulty: 3 of 5Under Weights that check themselves. (in Weights and Scales)
Posted on 2010-11-23 (6 Comments)
re: Not quite there yet by broll (2010-11-24 00:53:41)
Difficulty: 4 of 5Under My favorite numbers VI (in Just Math)
Posted on 2010-11-21 (6 Comments)
possible approach by broll (2010-11-23 03:09:48)
Difficulty: 3 of 5Under Duplicate Digit Determination II (in Just Math)
Posted on 2010-11-19 (3 Comments)
possible solution by broll (2010-11-20 11:21:37)
Difficulty: 3 of 5Under Ambiguous PIN Code (in Numbers)
Posted on 2010-11-17 (8 Comments)
Good problem! by broll (2010-11-20 03:30:02)
re: A Pin that works by broll (2010-11-18 17:08:44)
Possible solution by broll (2010-11-17 11:34:53)
Difficulty: 3 of 5Under Angle in a square (in Geometry)
Posted on 2010-11-16 (5 Comments)
re(2): Angle Symbol by broll (2010-11-18 13:15:02)
Possible solution by broll (2010-11-17 03:42:40)
Difficulty: 4 of 5Under Rolling to score (in Probability)
Posted on 2010-11-15 (17 Comments)
re(3): Perhaps.... ) A HINT by broll (2010-11-16 14:10:44)
re(3): analytical attempt at it by broll (2010-11-16 06:59:11)
Difficulty: 3 of 5Under Seven Divisibility Settlement (in Just Math)
Posted on 2010-11-13 (3 Comments)
re(2): Possible Solution by broll (2017-06-24 23:37:45)
Possible Solution by broll (2010-11-13 12:39:18)
Difficulty: 2 of 5Under Odd One Out (in Word Problems)
Posted on 2010-11-10 (10 Comments)
Another possibility by broll (2010-11-11 00:45:00)
Difficulty: 3 of 5Under Find Fifty (in Numbers)
Posted on 2010-11-06 (3 Comments)
posible analytical solution by broll (2010-11-07 06:10:43)
Difficulty: 3 of 5Under Tiled Loop (in Shapes)
Posted on 2010-11-05 (4 Comments)
re(2): Thoughts on notation etc by broll (2010-11-07 03:17:54)
Thoughts on notation etc by broll (2010-11-06 15:15:58)
Difficulty: 4 of 5Under OOO3= one out of three (in Just Math)
Posted on 2010-11-04 (8 Comments)
re(3): solutions by broll (2010-11-05 11:40:46)
re: solutions by broll (2010-11-05 02:53:01)
Difficulty: 4 of 5Under Abracadabra (in Word Problems)
Posted on 2010-10-29 (3 Comments)
re: computer exploration by broll (2010-10-30 05:01:33)
Difficulty: 2 of 5Under Lost package (in Probability)
Posted on 2010-10-28 (7 Comments)
re(3): Posterior thinking (spoiler?) by broll (2010-10-29 08:04:42)
Some Thoughts re: Posterior thinking (spoiler?) by broll (2010-10-28 16:35:26)
Difficulty: 2 of 5Under two2one (in Geometry)
Posted on 2010-10-27 (2 Comments)
Some Thoughts possible solution. by broll (2010-10-28 04:27:42)
Difficulty: 3 of 5Under Equilateral Right Angle Locus (in Geometry)
Posted on 2010-10-25 (2 Comments)
The easy way. by broll (2010-10-25 16:17:35)
Difficulty: 3 of 5Under Incircle Bisector (in Geometry)
Posted on 2010-10-23 (3 Comments)
re: Solution by broll (2010-10-28 04:14:51)
Some Thoughts Possible solution by broll (2010-10-24 08:28:24)
Difficulty: 4 of 5Under Big, super and prime (in Numbers)
Posted on 2010-10-20 (8 Comments)
re(4): Another method. -- solution for that Euler problem 37 by broll (2010-10-21 12:14:59)
Some Thoughts Another method. by broll (2010-10-20 12:34:48)
Difficulty: 3 of 5Under Delicate Divisibility (in Probability)
Posted on 2010-10-19 (7 Comments)
partial analytical solution. by broll (2010-10-21 08:25:14)
Difficulty: 3 of 5Under Primes in Squares (in Numbers)
Posted on 2010-10-19 (4 Comments)
Some Thoughts possible solution by broll (2010-10-19 13:40:02)
Difficulty: 3 of 5Under Tri-Similarity (in Geometry)
Posted on 2010-10-17 (10 Comments)
Some Thoughts possible solution by broll (2010-10-19 06:47:11)
re(7): Question? by broll (2010-10-18 19:32:37)
re(4): Question? by broll (2010-10-18 15:02:39)
re(2): Question? by broll (2010-10-18 03:53:25)
Question Question? by broll (2010-10-17 16:15:11)
Difficulty: 3 of 5Under Sum Squared Digits = Number (in Just Math)
Posted on 2010-10-16 (4 Comments)
re(2): Possible solution by broll (2010-10-17 03:26:26)
Some Thoughts Possible solution by broll (2010-10-16 15:58:39)
Difficulty: 3 of 5Under Homophone Paired Ladders (in Word Problems)
Posted on 2010-10-12 (7 Comments)
Some Thoughts re(3): Trial, or on the Trail by broll (2010-10-15 18:00:47)
re: Trial by broll (2010-10-15 01:23:13)
Difficulty: 3 of 5Under 2008 a fourth power? Baseless! (in Just Math)
Posted on 2010-10-09 (3 Comments)
possible solution by broll (2010-10-10 03:42:26)
Difficulty: 3 of 5Under Prime-Time Ant (in Numbers)
Posted on 2010-10-05 (2 Comments)
re: computer-aided solution by broll (2010-10-06 12:31:48)
Difficulty: 2 of 5Under Increase in number of factors. (in Numbers)
Posted on 2010-10-05 (3 Comments)
Some Thoughts Possible solution by broll (2010-10-05 14:27:58)
Difficulty: 2 of 5Under Cross Product Equality Settlement (in Sequences)
Posted on 2010-10-04 (2 Comments)
Possible Solution by broll (2010-10-04 13:35:44)
Difficulty: 3 of 5Under Equal Tangents (in General)
Posted on 2010-10-03 (11 Comments)
re(2): Does this work? by broll (2010-10-04 12:20:04)
Question Does this work? by broll (2010-10-04 02:53:11)
Difficulty: 3 of 5Under No way to run a railroad. (in Numbers)
Posted on 2010-10-01 (5 Comments)
re(2): extra credit by broll (2010-10-03 04:30:19)
extra credit by broll (2010-10-02 15:32:48)
Difficulty: 3 of 5Under Collinear Feet (in Geometry)
Posted on 2010-09-26 (1 Comments)
Hints/Tips Possible spoiler by broll (2010-09-26 12:07:58)
Difficulty: 3 of 5Under Split an Altitude (in Geometry)
Posted on 2010-09-24 (2 Comments)
Solution by demonstration by broll (2010-09-25 01:13:03)
Difficulty: 3 of 5Under Nineteen triplets (in Just Math)
Posted on 2010-09-23 (10 Comments)
re(2): Largest element ..... by broll (2010-09-24 05:04:19)
Difficulty: 2 of 5Under 3x3 Grid Logic (in Logic)
Posted on 2010-09-23 (5 Comments)
Hints/Tips Possible spoiler by broll (2010-09-23 14:44:32)
Difficulty: 3 of 5Under Two Center Distance (in Geometry)
Posted on 2010-09-18 (3 Comments)
great minds! by broll (2010-09-20 03:40:33)
Guesstimate by broll (2010-09-19 12:25:56)
Difficulty: 1 of 5Under Full Set of Calendars (in General)
Posted on 2010-09-17 (3 Comments)
re: solution by broll (2010-09-17 14:40:58)
Difficulty: 2 of 5Under Foundation Piece (in Cryptography)
Posted on 2010-09-16 (7 Comments)
Great puzzle by broll (2010-09-17 00:39:55)
Difficulty: 3 of 5Under 129 again (in Numbers)
Posted on 2010-09-15 (6 Comments)
re(2): No Subject by broll (2010-09-17 00:37:37)
No Subject by broll (2010-09-15 23:27:00)
Difficulty: 2 of 5Under Sum (Squares) = Prime Number (in Just Math)
Posted on 2010-09-09 (2 Comments)
Solution solution by broll (2010-09-09 16:25:01)
Difficulty: 3 of 5Under Heiro's Wager (in Numbers)
Posted on 2010-09-08 (3 Comments)
re: first four by broll (2010-09-09 01:51:42)
Difficulty: 1 of 5Under Four sevens and one one. (in Numbers)
Posted on 2010-09-06 (7 Comments)
Question (possible spoiler) by broll (2010-09-06 17:21:47)
Difficulty: 4 of 5Under Lamps in a row (in Geometry)
Posted on 2010-09-03 (11 Comments)
Hints/Tips further thoughts by broll (2010-09-05 06:22:34)
some thoughts. by broll (2010-09-04 16:10:54)
Question question by broll (2010-09-03 04:22:37)
Difficulty: 2 of 5Under R&R (in Sequences)
Posted on 2010-08-25 (5 Comments)
re(3): a solution by broll (2010-08-26 11:27:05)
re: a solution by broll (2010-08-26 03:45:47)
Difficulty: 3 of 5Under Composite? Yes. (in Numbers)
Posted on 2010-08-24 (3 Comments)
Hints/Tips another approach by broll (2010-08-25 07:23:41)
Difficulty: 2 of 5Under Spelled Out Settlement (in Sequences)
Posted on 2010-08-24 (6 Comments)
re: computer solution by broll (2010-08-24 14:39:35)
Difficulty: 2 of 5Under Anyway (in Numbers)
Posted on 2010-08-16 (4 Comments)
re: solution by broll (2010-08-16 12:28:12)
Difficulty: 3 of 5Under Square sum with 5-6-7 (in Just Math)
Posted on 2010-08-13 (1 Comments)
Some Thoughts Some bounds by broll (2010-08-13 05:55:56)
Difficulty: 2 of 5Under The Garden of Pythagoras (in Geometry)
Posted on 2010-08-03 (15 Comments)
re(7): Pythagoras (partly) unmasked by broll (2010-08-22 04:16:19)
re(6): Pythagoras (partly) unmasked by broll (2010-08-12 09:07:37)
re(4): Pythagoras (partly) unmasked by broll (2010-08-12 07:26:12)
re(2): Pythagoras (partly) unmasked by broll (2010-08-12 03:54:03)
Pythagoras (partly) unmasked by broll (2010-08-11 08:19:04)
Difficulty: 4 of 5Under POWER CHAIN. (in Sequences)
Posted on 2010-07-22 (6 Comments)
re: Further conditions? by broll (2010-07-22 16:04:54)
Difficulty: 4 of 5Under Fibo composes (in Sequences)
Posted on 2010-07-21 (6 Comments)
re(2): Fibs and primes PRIVATE REMARKS by broll (2010-07-22 13:09:15)
Some Thoughts Fibs and primes by broll (2010-07-22 10:12:40)
Difficulty: 2 of 5Under Triangular Trial (in Just Math)
Posted on 2010-07-20 (2 Comments)
Some Thoughts one possible approach. by broll (2010-07-20 12:46:36)
Difficulty: 3 of 5Under Oddly divisible (in Just Math)
Posted on 2010-07-17 (5 Comments)
Some Thoughts Breaking the ice by broll (2010-07-18 13:59:11)
Difficulty: 3 of 5Under On the Brink Of Elimination (in Probability)
Posted on 2010-07-16 (6 Comments)
re: solution by broll (2010-07-16 14:32:52)
Some Thoughts some thoughts by broll (2010-07-16 12:46:44)
Difficulty: 3 of 5Under Restoring the erased (in Just Math)
Posted on 2010-07-14 (21 Comments)
re: kudos by broll (2010-07-21 06:58:37)
re: Assurance it is ... by broll (2010-07-20 15:17:48)
re(3): Low 300s by broll (2010-07-17 15:57:22)
re: Low 300s ?? by broll (2010-07-17 09:05:23)
re(2): No Subject by broll (2010-07-15 17:16:16)
Some Thoughts No Subject by broll (2010-07-15 04:58:26)
Difficulty: 3 of 5Under x^3 = y^2 15 (in Numbers)
Posted on 2010-07-08 (11 Comments)
re: Catalan Conjecture by broll (2010-07-10 16:12:14)
re(2): Fascinating by broll (2010-07-09 14:20:51)
Fascinating by broll (2010-07-09 10:59:38)
Difficulty: 3 of 5Under Reciprocal Equation #3 (in Just Math)
Posted on 2010-07-02 (5 Comments)
re: Solution by broll (2010-07-03 04:22:46)
Some Thoughts possible solution by broll (2010-07-02 13:36:23)
Difficulty: 3 of 5Under Two Point Distance (in Geometry)
Posted on 2010-06-25 (4 Comments)
re: Looking for the answer by broll (2010-07-06 02:17:19)
Some Thoughts Possible solution by broll (2010-06-26 08:18:26)
Difficulty: 2 of 5Under The coat of many (in Word Problems)
Posted on 2010-06-24 (4 Comments)
Some Thoughts spoiler by broll (2010-06-24 15:28:12)
Difficulty: 3 of 5Under Keys to the World (in Sequences)
Posted on 2010-06-22 (3 Comments)
Solution possible solution(spoiler) by broll (2010-06-22 17:02:51)
Difficulty: 3 of 5Under Problem 23109650321 (in Sequences)
Posted on 2010-06-14 (2 Comments)
Question Punctuation by broll (2010-06-16 10:53:13)
Difficulty: 4 of 5Under Russian Roulette (in Probability)
Posted on 2010-06-08 (12 Comments)
re: Implications? by broll (2010-06-09 14:06:51)
Difficulty: 3 of 5Under Sliced Cube = Square Pyramid (in Shapes)
Posted on 2010-06-02 (6 Comments)
re(2): Laser Glue? by broll (2010-06-03 07:44:21)
Laser Glue? by broll (2010-06-03 03:06:03)
re: instinct tells me.... by broll (2010-06-02 12:19:18)
Difficulty: 4 of 5Under The top nine at Solvemall Classic (in Logic)
Posted on 2010-06-01 (11 Comments)
re: Solution(s) (spoiler) by broll (2010-06-15 14:39:53)
re(7): computer (spoiler) by broll (2010-06-03 02:47:07)
Hints/Tips re(5): computer (spoiler) by broll (2010-06-02 11:52:25)
re(3): computer by broll (2010-06-02 08:32:14)
re: computer by broll (2010-06-02 01:58:47)
Difficulty: 3 of 5Under Cubic and Consecutive Concern II (in Probability)
Posted on 2010-05-31 (10 Comments)
re: Infinite family of solutions by broll (2010-06-02 10:03:22)
analytical solution? by broll (2010-06-01 07:21:59)
Difficulty: 3 of 5Under bob and alan cross the desert (in Logic)
Posted on 2010-05-15 (6 Comments)
re: Solution by broll (2010-07-01 11:07:49)
re: Solution by broll (2010-06-30 08:07:32)
re: solution? by broll (2010-05-21 11:37:23)
Difficulty: 1 of 5Under Fixed Row, Random Draw (in Probability)
Posted on 2010-05-14 (5 Comments)
re(3): 2 easy, we try harder-- who,what,why by broll (2010-05-16 03:02:30)
re: 2 easy, we try harder by broll (2010-05-15 02:58:51)
Difficulty: 4 of 5Under 2*P + 2 = Perfect Square? (in Just Math)
Posted on 2010-05-01 (5 Comments)
Solution Finishing what I started by broll (2013-09-30 02:09:06)
Some Thoughts Some ideas and some guesswork by broll (2010-05-02 12:13:31)
Difficulty: 4 of 5Under Think Spiral (in Cryptography)
Posted on 2010-04-30 (9 Comments)
re(6): think spiral by broll (2010-05-03 13:31:49)
re(4): think spiral by broll (2010-05-03 06:05:00)
re(2): think spiral by broll (2010-05-03 03:14:40)
re(2): think spiral by broll (2010-05-02 14:55:17)
Some Thoughts think spiral by broll (2010-05-02 08:29:44)
Difficulty: 3 of 5Under Positive Integer Choice (in Just Math)
Posted on 2010-04-22 (2 Comments)
Some Thoughts Approach by broll (2010-04-22 15:35:59)
Difficulty: 2 of 5Under Raise Aries (in Numbers)
Posted on 2010-04-16 (3 Comments)
Hints/Tips Possible soluton by broll (2010-04-16 14:36:19)
Difficulty: 2 of 5Under Triangle Divided (in Geometry)
Posted on 2010-04-15 (8 Comments)
re(4): Easy when you know how by broll (2010-04-19 04:32:53)
re(2): Easy when you know how by broll (2010-04-18 02:54:55)
Solution Easy when you know how by broll (2010-04-17 07:39:28)
Some Thoughts Approach by broll (2010-04-16 14:46:46)
Difficulty: 3 of 5Under Indi Games (in Geometry)
Posted on 2010-04-13 (12 Comments)
re(2): My thoughts on solutions and posted solution. by broll (2010-04-16 14:50:32)
re(4): weaving - good thought, but ... by broll (2010-04-15 05:00:12)
re(2): weaving - good thought, but ... by broll (2010-04-14 15:07:12)
Question weaving by broll (2010-04-14 04:20:10)
Difficulty: 2 of 5Under (p+5)/8 and (p+1)/4 = Prime Numbers (in Just Math)
Posted on 2010-04-12 (5 Comments)
Hints/Tips re: Trying by broll (2010-04-13 04:10:41)
Difficulty: 3 of 5Under 4x3 Knight Swap (in Games)
Posted on 2010-04-05 (5 Comments)
Some Thoughts Thoughts by broll (2010-04-06 05:13:45)
Difficulty: 3 of 5Under Try to crack the code. (in Word Problems)
Posted on 2010-04-04 (4 Comments)
Question is this right? by broll (2010-04-06 08:41:56)
Difficulty: 4 of 5Under Perfect Square To Divisibility By 56 (in Just Math)
Posted on 2010-04-01 (14 Comments)
re: my bad by broll (2010-04-06 15:32:36)
Some Thoughts Does this explain why 7 is a factor of n? by broll (2010-04-04 04:09:42)
Difficulty: 2 of 5Under Chemical Relativity (in Science)
Posted on 2010-03-22 (2 Comments)
re: solution by broll (2013-01-31 07:05:16)
Difficulty: 3 of 5Under 3x4 Knight Swap (in Games)
Posted on 2010-02-13 (6 Comments)
re(2): One possible solution by broll (2010-04-09 11:04:48)
Difficulty: 3 of 5Under Square and Consecutive Cubes (in Just Math)
Posted on 2009-12-17 (4 Comments)
Solution Solution by broll (2011-05-09 06:35:48)
Difficulty: 3 of 5Under Consecutive 8-Digit Heron (in Geometry)
Posted on 2009-11-15 (4 Comments)
Solution Solution by broll (2016-12-18 07:00:32)
Difficulty: 3 of 5Under Some Powers Sum Square (in Just Math)
Posted on 2008-07-04 (10 Comments)
Some Thoughts Possible solution by broll (2012-09-15 03:06:34)
Difficulty: 3 of 5Under They do it with mirrors (in Science)
Posted on 2006-04-26 (8 Comments)
The Space Race by broll (2016-01-16 00:32:18)
Difficulty: 3 of 5Under The prisoners and the beans (in Logic)
Posted on 2005-11-27 (38 Comments)
Some Thoughts Very interesting. by broll (2016-06-18 06:22:29)
Difficulty: 2 of 5Under Go for short! (in Numbers)
Posted on 2005-04-19 (8 Comments)
re: my way by broll (2016-06-24 23:39:48)
Difficulty: 3 of 5Under Two to the Three = Three to the Two? (in Numbers)
Posted on 2005-03-22 (8 Comments)
possible approach by broll (2012-01-25 03:05:51)
Difficulty: 4 of 5Under Exponential Difficulties 2 (in Just Math)
Posted on 2004-11-27 (9 Comments)
Solution Solution by broll (2016-09-16 00:43:35)
Difficulty: 3 of 5Under Square Perfection (in Shapes)
Posted on 2004-10-16 (4 Comments)
Attribution Missing by broll (2015-04-13 09:03:33)
Difficulty: 2 of 5Under Two Crescents (in Geometry)
Posted on 2004-08-11 (15 Comments)
Some Thoughts Folding's too hard. by broll (2016-02-03 05:17:04)
Difficulty: 3 of 5Under A Keg of Wine (in Just Math)
Posted on 2004-07-14 (26 Comments)
Solution Solution by broll (2016-03-08 00:07:23)
Difficulty: 2 of 5Under A square (in Numbers)
Posted on 2004-06-25 (15 Comments)
Solution No Subject by broll (2015-06-05 23:25:21)
Difficulty: 3 of 5Under Sum of Cubes (in Numbers)
Posted on 2004-05-25 (11 Comments)
What Gamer perhaps had in mind. by broll (2011-10-10 02:38:30)
Difficulty: 3 of 5Under Strange pyramid (in Geometry)
Posted on 2004-05-03 (10 Comments)
re(4): Short answer to part 1. by broll (2016-03-01 09:30:50)
re(2): Short answer to part 1. by broll (2016-02-29 08:42:12)
Some Thoughts Short answer to part 1. by broll (2016-02-28 22:36:18)
Difficulty: 3 of 5Under Poisonous Dilemma (in Paradoxes)
Posted on 2004-04-19 (82 Comments)
Thoughts by broll (2017-01-15 02:17:13)
Difficulty: 2 of 5Under A flat ball? (in Geometry)
Posted on 2004-04-08 (24 Comments)
Some Thoughts Soccer balls by broll (2016-04-16 02:38:46)
Difficulty: 3 of 5Under Unit Cubes (in Shapes)
Posted on 2004-02-02 (15 Comments)
Solution Solution by broll (2016-07-01 11:22:50)
Difficulty: 3 of 5Under Thirty two barbarians (in General)
Posted on 2004-01-28 (34 Comments)
The solution by broll (2017-01-02 23:05:00)
Difficulty: 2 of 5Under A pronounced day (in Tricks)
Posted on 2003-12-25 (13 Comments)
What she would really say. by broll (2015-05-17 00:21:12)
Difficulty: 3 of 5Under The Highest Grade (in Numbers)
Posted on 2003-12-11 (15 Comments)
Solution Continued fractions by broll (2017-01-04 02:44:59)
Difficulty: 2 of 5Under Squares and Cubes (in Numbers)
Posted on 2003-12-06 (21 Comments)
Some Thoughts Possible solution by broll (2011-05-09 05:59:43)
Difficulty: 4 of 5Under Strike a Chord (..Any Chord) (in Geometry)
Posted on 2003-10-09 (51 Comments)
Herd instinct. by broll (2016-05-29 01:14:59)
Difficulty: 4 of 5Under Box, Locks and Keys (in Logic)
Posted on 2003-07-18 (19 Comments)
Comment on the official solution by broll (2016-04-10 00:06:04)
Difficulty: 5 of 5Under Perfect Squares (in Just Math)
Posted on 2003-04-05 (10 Comments)
Solution Even simpler. by broll (2012-09-17 03:10:19)
Difficulty: 3 of 5Under Composite numbers (in Numbers)
Posted on 2003-03-05 (22 Comments)
re(2): Moore's Law at work by broll (2016-11-17 21:23:12)
Some Thoughts Moore's Law at work by broll (2016-11-17 13:54:45)
Difficulty: 4 of 5Under Big Circle, Little Circle (in Geometry)
Posted on 2002-11-03 (16 Comments)
Solution solution by broll (2016-06-10 05:21:02)
Difficulty: 5 of 5Under Quarter intersection Problem (in Geometry)
Posted on 2002-10-30 (9 Comments)
Some Thoughts An easier method. by broll (2016-12-29 10:33:21)
Difficulty: 2 of 5Under Odd Sum (in Just Math)
Posted on 2002-08-08 (17 Comments)
Some Thoughts re: What, me worry? by broll (2015-04-06 03:56:52)
Difficulty: 2 of 5Under Missing dollar (in General)
Posted on 2002-05-06 (24 Comments)
solution by broll (2016-04-09 11:31:28)
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