Search results for
problems posted by Ady TZIDON :
Partitura (in Numbers) Posted on 2018-04-21 by Ady TZIDON (No Solution Yet, 1 Comments) A primer in Malaga (in Numbers) Posted on 2018-04-19 by Ady TZIDON (No Solution Yet, 1 Comments) Debugging a system (in Just Math) Posted on 2018-04-16 by Ady TZIDON (Solution Posted, 5 Comments) A pandigital set (in Numbers) Posted on 2018-04-14 by Ady TZIDON (No Solution Yet, 4 Comments) Prime stars (in Just Math) Posted on 2018-04-13 by Ady TZIDON (No Solution Yet, 2 Comments) On the road again (in Numbers) Posted on 2018-04-10 by Ady TZIDON (Solution Posted, 5 Comments) The royal sisters (in Just Math) Posted on 2018-04-09 by Ady TZIDON (No Solution Yet, 3 Comments) Simple recursion (in Sequences) Posted on 2018-04-08 by Ady TZIDON (No Solution Yet, 1 Comments) A short list (in Numbers) Posted on 2018-04-07 by Ady TZIDON (Solution Posted, 1 Comments) Squares built from leftovers (in Numbers) Posted on 2018-04-05 by Ady TZIDON (Solution Posted, 4 Comments) Create a magic square (in Numbers) Posted on 2018-04-03 by Ady TZIDON (Solution Posted, 2 Comments) Better late than never ...HNY (in Just Math) Posted on 2018-04-01 by Ady TZIDON (No Solution Yet, 3 Comments) Comb(k,2) (in Numbers) Posted on 2018-03-29 by Ady TZIDON (No Solution Yet, 4 Comments) One square implies many (in Sequences) Posted on 2018-03-28 by Ady TZIDON (No Solution Yet, 6 Comments) Four singers (in Tricks) Posted on 2018-03-26 by Ady TZIDON (No Solution Yet, 3 Comments) Generating triplets of squares (in Just Math) Posted on 2018-03-25 by Ady TZIDON (No Solution Yet, 5 Comments) Colored beads (in Just Math) Posted on 2018-03-21 by Ady TZIDON (No Solution Yet, 2 Comments) All in the USA (in Numbers) Rating: 5.00 Posted on 2018-03-20 by Ady TZIDON (No Solution Yet, 2 Comments) Three squares imply the fourth (in Just Math) Posted on 2018-03-18 by Ady TZIDON (No Solution Yet, 2 Comments) Starting with 1,2,3 (in Sequences) Posted on 2018-03-17 by Ady TZIDON (No Solution Yet, 1 Comments) 3x3 magic square of squares (in Numbers) Posted on 2018-03-16 by Ady TZIDON (No Solution Yet, 1 Comments) Seven given - the eighth TBD (in Sequences) Posted on 2018-03-14 by Ady TZIDON (Solution Posted, 6 Comments) A scrambled acronym (in Word Problems) Posted on 2018-03-13 by Ady TZIDON (Solution Posted, 2 Comments) Q: ?hat letter is missing? (in Numbers) Posted on 2018-03-11 by Ady TZIDON (Solution Posted, 1 Comments) An atom of atom (in Numbers) Posted on 2018-03-10 by Ady TZIDON (Solution Posted, 1 Comments) Another Dudeney problem (in Numbers) Posted on 2018-03-09 by Ady TZIDON (Solution Posted, 2 Comments) Summing the factors (in Numbers) Posted on 2018-03-08 by Ady TZIDON (Solution Posted, 2 Comments) Radius missing (in Geometry) Posted on 2018-03-07 by Ady TZIDON (Solution Posted, 2 Comments) Past and present (in Logic) Posted on 2018-03-05 by Ady TZIDON (Solution Posted, 3 Comments) A palindromic equation (in Numbers) Posted on 2018-03-04 by Ady TZIDON (Solution Posted, 3 Comments) Hill's data (in Numbers) Rating: 5.00 Posted on 2018-03-03 by Ady TZIDON (Solution Posted, 6 Comments) 15=5*3 (in Sequences) Posted on 2018-03-01 by Ady TZIDON (Solution Posted, 1 Comments) Trailing zeros (in Numbers) Posted on 2018-02-28 by Ady TZIDON (Solution Posted, 1 Comments) 4 digit number derived from a single digit (in Numbers) Posted on 2018-02-26 by Ady TZIDON (No Solution Yet, 3 Comments) Sum of subfactorials (in Numbers) Posted on 2018-02-25 by Ady TZIDON (Solution Posted, 2 Comments) Completing a triplet (in Numbers) Posted on 2018-02-24 by Ady TZIDON (Solution Posted, 5 Comments) A sixth power in many ways (in Numbers) Posted on 2018-02-22 by Ady TZIDON (No Solution Yet, 1 Comments) A quote and its source (in Word Problems) Posted on 2018-02-21 by Ady TZIDON (Solution Posted, 1 Comments) A state of a State (in General) Posted on 2018-02-19 by Ady TZIDON (No Solution Yet, 7 Comments) Strictly non-palindromic numbers (in Numbers) Posted on 2018-02-18 by Ady TZIDON (No Solution Yet, 3 Comments) Let's make a deal (in Numbers) Rating: 5.00 Posted on 2018-02-17 by Ady TZIDON (Solution Posted, 1 Comments) 15 letters (in Word Problems) Posted on 2018-02-16 by Ady TZIDON (Solution Posted, 7 Comments) Four fours (in Numbers) Posted on 2018-02-14 by Ady TZIDON (No Solution Yet, 6 Comments) Choosing the right number (in Numbers) Posted on 2018-02-13 by Ady TZIDON (Solution Posted, 6 Comments) Pick-a-book meeting (in Just Math) Posted on 2018-02-12 by Ady TZIDON (Solution Posted, 5 Comments) Using nine positive digits (in Numbers) Posted on 2018-02-11 by Ady TZIDON (Solution Posted, 3 Comments) Only six distinct digits (in Numbers) Posted on 2018-02-10 by Ady TZIDON (Solution Posted, 1 Comments) En francais seulement ! (in Numbers) Posted on 2018-02-09 by Ady TZIDON (Solution Posted, 3 Comments) Square pairs (in Just Math) Rating: 5.00 Posted on 2018-02-07 by Ady TZIDON (Solution Posted, 3 Comments) Not all a's are in (in Numbers) Posted on 2018-02-06 by Ady TZIDON (Solution Posted, 3 Comments) Carpenter's pricing (in Just Math) Posted on 2018-02-05 by Ady TZIDON (No Solution Yet, 5 Comments) A couple of squares (in Numbers) Posted on 2018-02-02 by Ady TZIDON (Solution Posted, 9 Comments) Cute numbers (in Numbers) Posted on 2018-02-01 by Ady TZIDON (No Solution Yet, 4 Comments) A long day of chess (in Just Math) Posted on 2018-01-31 by Ady TZIDON (No Solution Yet, 2 Comments) 113 together (in Just Math) Posted on 2018-01-30 by Ady TZIDON (No Solution Yet, 3 Comments) Evaluate the missing digit (in Just Math) Posted on 2018-01-29 by Ady TZIDON (No Solution Yet, 1 Comments) How many numbers in the end? (in Numbers) Posted on 2018-01-28 by Ady TZIDON (No Solution Yet, 2 Comments) Quite a pair! (in Numbers) Rating: 5.00 Posted on 2018-01-26 by Ady TZIDON (No Solution Yet, 2 Comments) Champagnat numbers (in Just Math) Posted on 2018-01-23 by Ady TZIDON (No Solution Yet, 2 Comments) Try a shortcut (in Just Math) Rating: 3.00 Posted on 2018-01-21 by Ady TZIDON (Solution Posted, 1 Comments) Easy to remember (in Numbers) Posted on 2018-01-20 by Ady TZIDON (No Solution Yet, 1 Comments) Quite a coincidence (in Just Math) Rating: 3.00 Posted on 2018-01-19 by Ady TZIDON (No Solution Yet, 6 Comments) Magic triangles (in Just Math) Posted on 2018-01-18 by Ady TZIDON (No Solution Yet, 2 Comments) A set of subsets (in Just Math) Rating: 5.00 Posted on 2018-01-17 by Ady TZIDON (No Solution Yet, 2 Comments) Get even (in Numbers) Posted on 2018-01-15 by Ady TZIDON (No Solution Yet, 3 Comments) Evaluating a distance (in Geometry) Posted on 2018-01-13 by Ady TZIDON (No Solution Yet, 4 Comments) Funny way to divide by seven (in Numbers) Posted on 2018-01-12 by Ady TZIDON (Solution Posted, 3 Comments) Discounting one (in Numbers) Posted on 2018-01-10 by Ady TZIDON (No Solution Yet, 9 Comments) 3N3 (in Numbers) Posted on 2018-01-08 by Ady TZIDON (No Solution Yet, 3 Comments) A meeting point (in Just Math) Posted on 2018-01-07 by Ady TZIDON (Solution Posted, 2 Comments) Overheard in Manitoba (in Numbers) Posted on 2018-01-06 by Ady TZIDON (No Solution Yet, 6 Comments) A special phenomenon (in Logic) Rating: 5.00 Posted on 2018-01-05 by Ady TZIDON (No Solution Yet, 3 Comments) Three questions plus one challenge (in Numbers) Posted on 2018-01-04 by Ady TZIDON (No Solution Yet, 1 Comments) Simple fractions (in Just Math) Rating: 3.00 Posted on 2018-01-03 by Ady TZIDON (No Solution Yet, 3 Comments) 5-digit number (in Just Math) Posted on 2018-01-02 by Ady TZIDON (No Solution Yet, 2 Comments) Magic magic (in Numbers) Posted on 2018-01-01 by Ady TZIDON (No Solution Yet, 1 Comments) Three triplets (in Numbers) Posted on 2017-12-30 by Ady TZIDON (No Solution Yet, 6 Comments) Pandigital and divisible (in Numbers) Posted on 2017-12-29 by Ady TZIDON (No Solution Yet, 3 Comments) Below 25 (in Numbers) Posted on 2017-12-28 by Ady TZIDON (No Solution Yet, 4 Comments) Expanding the railroad line (in Just Math) Posted on 2017-12-26 by Ady TZIDON (No Solution Yet, 2 Comments) The Young Girl's Age (in Just Math) Posted on 2017-12-25 by Ady TZIDON (No Solution Yet, 2 Comments) Persistence I (in Numbers) Posted on 2017-12-24 by Ady TZIDON (Solution Posted, 2 Comments) Do not say ONE (in Games) Posted on 2017-12-23 by Ady TZIDON (No Solution Yet, 2 Comments) One problem - many ways to solve... (in Numbers) Posted on 2017-12-21 by Ady TZIDON (No Solution Yet, 6 Comments) A true story (in Numbers) Rating: 5.00 Posted on 2017-12-20 by Ady TZIDON (No Solution Yet, 4 Comments) Given one, get the other three (in Numbers) Rating: 3.00 Posted on 2017-12-18 by Ady TZIDON (No Solution Yet, 2 Comments) Fibo was a winner (in Numbers) Posted on 2017-12-17 by Ady TZIDON (No Solution Yet, 4 Comments) Any two out of five (in Numbers) Posted on 2017-12-16 by Ady TZIDON (No Solution Yet, 5 Comments) Squares in a rectangle (in Numbers) Posted on 2017-12-15 by Ady TZIDON (No Solution Yet, 2 Comments) Fibo's zeroes repeated (in Numbers) Posted on 2017-12-14 by Ady TZIDON (No Solution Yet, 1 Comments) Perform and explain (in Tricks) Posted on 2017-12-12 by Ady TZIDON (No Solution Yet, 11 Comments) Enigma (in Logic) Posted on 2017-12-11 by Ady TZIDON (No Solution Yet, 2 Comments) Verify and prove (in Sequences) Posted on 2017-12-10 by Ady TZIDON (No Solution Yet, 5 Comments) All, except two (in Sequences) Posted on 2017-12-09 by Ady TZIDON (No Solution Yet, 4 Comments) Spelling bee results (in Just Math) Rating: 2.00 Posted on 2017-12-08 by Ady TZIDON (No Solution Yet, 1 Comments) A creative contest (in Word Problems) Posted on 2017-12-07 by Ady TZIDON (No Solution Yet, 0 Comments) Three fours (in Numbers) Posted on 2017-12-06 by Ady TZIDON (No Solution Yet, 3 Comments) Just name the date (in General) Posted on 2017-12-05 by Ady TZIDON (No Solution Yet, 2 Comments) No miracles (in Famous Riddles) Posted on 2017-12-04 by Ady TZIDON (No Solution Yet, 1 Comments) Just 4 different digits (in Numbers) Posted on 2017-12-03 by Ady TZIDON (No Solution Yet, 10 Comments) One ninth of a pandigital (in Numbers) Posted on 2017-12-02 by Ady TZIDON (No Solution Yet, 1 Comments) One triplet of digits (in Numbers) Rating: 3.50 Posted on 2017-12-01 by Ady TZIDON (No Solution Yet, 6 Comments) Peace, no war (in General) Posted on 2017-11-30 by Ady TZIDON (No Solution Yet, 3 Comments) A square pairing (in Numbers) Posted on 2017-11-29 by Ady TZIDON (Solution Posted, 1 Comments) Quickie XI (in Numbers) Posted on 2017-11-27 by Ady TZIDON (Solution Posted, 2 Comments) A special pandigital (in Numbers) Posted on 2017-11-26 by Ady TZIDON (Solution Posted, 1 Comments) Unique decimal primes (in Algorithms) Posted on 2017-11-24 by Ady TZIDON (No Solution Yet, 1 Comments) Test #11 (in Numbers) Posted on 2017-11-23 by Ady TZIDON (Solution Posted, 1 Comments) Way to go (in Riddles) Rating: 4.00 Posted on 2017-11-22 by Ady TZIDON (No Solution Yet, 3 Comments) A pandigital sum (in Numbers) Posted on 2017-11-21 by Ady TZIDON (No Solution Yet, 1 Comments) A triple T question (in Famous Riddles) Posted on 2017-11-20 by Ady TZIDON (Solution Posted, 4 Comments) What is .... ...... (in Numbers) Posted on 2017-11-19 by Ady TZIDON (Solution Posted, 1 Comments) Ulam numbers II (in Numbers) Posted on 2017-11-18 by Ady TZIDON (Solution Posted, 1 Comments) Pythagorean areas (in Numbers) Posted on 2017-11-17 by Ady TZIDON (Solution Posted, 7 Comments) Your creativity challenged (in Riddles) Posted on 2017-11-15 by Ady TZIDON (No Solution Yet, 5 Comments) Making a 10 (in Numbers) Rating: 4.00 Posted on 2017-11-13 by Ady TZIDON (No Solution Yet, 4 Comments) No comments (in General) Posted on 2017-11-12 by Ady TZIDON (No Solution Yet, 1 Comments) Beast number as a substring (in Numbers) Posted on 2017-11-11 by Ady TZIDON (No Solution Yet, 2 Comments) From words to equations (in General) Posted on 2017-11-10 by Ady TZIDON (No Solution Yet, 2 Comments) Talking BIG (in Numbers) Posted on 2017-11-10 by Ady TZIDON (No Solution Yet, 3 Comments) Expose ambiguity II (in Sequences) Posted on 2017-11-09 by Ady TZIDON (No Solution Yet, 1 Comments) Reverse Engineering I (in Cryptography) Posted on 2017-11-09 by Ady TZIDON (No Solution Yet, 2 Comments) One digit answer (in Numbers) Rating: 3.00 Posted on 2017-11-08 by Ady TZIDON (No Solution Yet, 3 Comments) Cryptajoke XVIII (in Cryptography) Posted on 2017-11-08 by Ady TZIDON (No Solution Yet, 1 Comments) Attributed to Lewis Carroll (in Probability) Rating: 3.00 Posted on 2017-11-07 by Ady TZIDON (No Solution Yet, 4 Comments) Rectangle in a circle (in Just Math) Posted on 2017-11-07 by Ady TZIDON (No Solution Yet, 3 Comments) No big digits involved (in Numbers) Posted on 2017-11-06 by Ady TZIDON (No Solution Yet, 2 Comments) Searching for the minimal repunit (in Numbers) Posted on 2017-11-06 by Ady TZIDON (No Solution Yet, 1 Comments) Square triplets (in Just Math) Posted on 2017-11-05 by Ady TZIDON (No Solution Yet, 2 Comments) More than 3 cubes (in Just Math) Posted on 2017-11-04 by Ady TZIDON (No Solution Yet, 1 Comments) Recovering the unknown triplet (in Numbers) Posted on 2017-11-03 by Ady TZIDON (No Solution Yet, 0 Comments) X & Y erased (in Numbers) Posted on 2017-11-03 by Ady TZIDON (No Solution Yet, 1 Comments) Truth or consequences (in Just Math) Posted on 2017-11-02 by Ady TZIDON (No Solution Yet, 2 Comments) Only one number qualifies! (in Numbers) Posted on 2017-11-02 by Ady TZIDON (No Solution Yet, 2 Comments) Counting appearances (in Numbers) Posted on 2017-11-01 by Ady TZIDON (No Solution Yet, 1 Comments) Mutual dependence (in Numbers) Rating: 3.00 Posted on 2017-11-01 by Ady TZIDON (Solution Posted, 3 Comments) 2 ways to prove it (in Just Math) Posted on 2017-10-31 by Ady TZIDON (No Solution Yet, 2 Comments) Create 2 congruent triangles (in Geometry) Rating: 3.00 Posted on 2017-10-31 by Ady TZIDON (No Solution Yet, 4 Comments) Online translation (in Tricks) Posted on 2017-10-30 by Ady TZIDON (No Solution Yet, 1 Comments) A common feature (in Numbers) Posted on 2017-10-29 by Ady TZIDON (No Solution Yet, 1 Comments) Two SPECIAL PARTITIONS (in Numbers) Posted on 2017-10-28 by Ady TZIDON (No Solution Yet, 4 Comments) A recursive game (in Sequences) Posted on 2017-10-27 by Ady TZIDON (No Solution Yet, 1 Comments) Leaving the least (the most) (in Numbers) Posted on 2017-10-27 by Ady TZIDON (No Solution Yet, 2 Comments) It is not SIX (in Numbers) Posted on 2017-10-26 by Ady TZIDON (Solution Posted, 4 Comments) Obtuse angle? (in Probability) Posted on 2017-10-25 by Ady TZIDON (No Solution Yet, 2 Comments) One word - created by two others (in Word Problems) Posted on 2017-10-25 by Ady TZIDON (Solution Posted, 3 Comments) Solution's forecast (in Just Math) Posted on 2017-10-24 by Ady TZIDON (Solution Posted, 3 Comments) 3 multiples of cubes (in Numbers) Posted on 2017-10-24 by Ady TZIDON (Solution Posted, 1 Comments) Urban architecture (in Word Problems) Posted on 2017-10-23 by Ady TZIDON (No Solution Yet, 1 Comments) No integer roots (in Just Math) Posted on 2017-10-22 by Ady TZIDON (No Solution Yet, 4 Comments) 31 or more (in Games) Posted on 2017-10-21 by Ady TZIDON (No Solution Yet, 4 Comments) 3 lowest score words (in Word Problems) Rating: 5.00 Posted on 2017-10-20 by Ady TZIDON (No Solution Yet, 3 Comments) The Odds Must Be Crazy (in Probability) Posted on 2017-10-19 by Ady TZIDON (No Solution Yet, 4 Comments) The olog is t anagrammed (in Word Problems) Posted on 2017-10-19 by Ady TZIDON (Solution Posted, 1 Comments) √22 (in Numbers) Posted on 2017-10-18 by Ady TZIDON (Solution Posted, 3 Comments) SUM = PR0DUCT (in Numbers) Posted on 2017-10-18 by Ady TZIDON (Solution Posted, 3 Comments) Alfey revava ... (in General) Posted on 2017-10-17 by Ady TZIDON (No Solution Yet, 3 Comments) 9 cubes (in Numbers) Posted on 2017-10-17 by Ady TZIDON (Solution Posted, 1 Comments) He, me, and you (in Word Problems) Posted on 2017-10-16 by Ady TZIDON (No Solution Yet, 2 Comments) Dimsums LTD (in Numbers) Posted on 2017-10-16 by Ady TZIDON (Solution Posted, 1 Comments) Two-three integers (in Numbers) Posted on 2017-10-15 by Ady TZIDON (No Solution Yet, 6 Comments) What's out? (in Word Problems) Posted on 2017-10-13 by Ady TZIDON (Solution Posted, 3 Comments) Somewhere in the USA (in Word Problems) Rating: 5.00 Posted on 2017-10-10 by Ady TZIDON (No Solution Yet, 6 Comments) Like CABACB (in Word Problems) Posted on 2017-10-08 by Ady TZIDON (No Solution Yet, 2 Comments) Cryptoquip (in Word Problems) Posted on 2017-10-06 by Ady TZIDON (No Solution Yet, 0 Comments) Squeeze in (in Word Problems) Posted on 2017-10-05 by Ady TZIDON (No Solution Yet, 4 Comments) In Europe (in General) Posted on 2017-10-04 by Ady TZIDON (No Solution Yet, 6 Comments) A set of ages (in Just Math) Posted on 2017-10-02 by Ady TZIDON (No Solution Yet, 1 Comments) A scrambled BEDLAM (in Just Math) Posted on 2017-09-29 by Ady TZIDON (No Solution Yet, 2 Comments) Toasting the eternal (in Just Math) Posted on 2017-09-27 by Ady TZIDON (No Solution Yet, 1 Comments) Solve the alpha2etic ! (in Just Math) Posted on 2017-09-23 by Ady TZIDON (No Solution Yet, 1 Comments) 3 by 3 by 5 (in Word Problems) Posted on 2017-09-22 by Ady TZIDON (Solution Posted, 6 Comments) Proving an inequality (in Geometry) Rating: 4.00 Posted on 2017-09-17 by Ady TZIDON (No Solution Yet, 1 Comments) Reverse Engineering (in General) Posted on 2017-09-15 by Ady TZIDON (No Solution Yet, 3 Comments) Cryptaquote I (in Word Problems) Rating: 5.00 Posted on 2017-09-14 by Ady TZIDON (No Solution Yet, 6 Comments) Sans squares (in Sequences) Posted on 2017-09-12 by Ady TZIDON (No Solution Yet, 1 Comments) Lots of lods (in Sequences) Rating: 4.67 Posted on 2017-09-10 by Ady TZIDON (No Solution Yet, 7 Comments) Product of 100 factorials (in Just Math) Rating: 3.50 Posted on 2017-09-07 by Ady TZIDON (No Solution Yet, 8 Comments) The rain in Spain (in Just Math) Posted on 2017-09-05 by Ady TZIDON (No Solution Yet, 3 Comments) Getting closer to your pie (in Numbers) Posted on 2017-09-04 by Ady TZIDON (No Solution Yet, 10 Comments) Solve a generic set of equations (in Just Math) Rating: 3.00 Posted on 2017-09-03 by Ady TZIDON (No Solution Yet, 1 Comments) Two sums of digits (in Just Math) Posted on 2017-09-02 by Ady TZIDON (No Solution Yet, 5 Comments) Tea-time cakes (in Just Math) Posted on 2017-09-01 by Ady TZIDON (No Solution Yet, 2 Comments) Leaving a maximal result (in Algorithms) Posted on 2017-08-25 by Ady TZIDON (No Solution Yet, 1 Comments) Two erased numbers (in Sequences) Posted on 2017-08-24 by Ady TZIDON (No Solution Yet, 5 Comments) Prime ages (in Just Math) Posted on 2017-08-23 by Ady TZIDON (No Solution Yet, 1 Comments) A repunit product (in Word Problems) Posted on 2017-08-19 by Ady TZIDON (No Solution Yet, 4 Comments) Marbles in boxes (in Algorithms) Posted on 2017-08-16 by Ady TZIDON (No Solution Yet, 5 Comments) At the bridge club (in Logic) Rating: 5.00 Posted on 2017-08-15 by Ady TZIDON (No Solution Yet, 2 Comments) The well-defined digit (in Numbers) Rating: 5.00 Posted on 2017-08-14 by Ady TZIDON (No Solution Yet, 5 Comments) Straight or rotated (in Numbers) Rating: 5.00 Posted on 2017-08-10 by Ady TZIDON (No Solution Yet, 3 Comments) Even (related) chances (in Probability) Posted on 2017-08-09 by Ady TZIDON (No Solution Yet, 4 Comments) A text sans (in Word Problems) Posted on 2017-08-07 by Ady TZIDON (No Solution Yet, 1 Comments) Published in the thirties (in Famous Riddles) Rating: 3.00 Posted on 2017-08-03 by Ady TZIDON (No Solution Yet, 3 Comments) Think big (in Numbers) Posted on 2017-08-03 by Ady TZIDON (No Solution Yet, 2 Comments) Two parallelograms (in Geometry) Rating: 3.00 Posted on 2017-08-01 by Ady TZIDON (No Solution Yet, 3 Comments) Find this word (in Word Problems) Posted on 2017-07-31 by Ady TZIDON (No Solution Yet, 7 Comments) Add'em all ! (in Numbers) Posted on 2017-07-27 by Ady TZIDON (Solution Posted, 3 Comments) Not too many (in Just Math) Posted on 2017-07-24 by Ady TZIDON (Solution Posted, 1 Comments) Almost-pandigital sets (in Numbers) Posted on 2017-07-22 by Ady TZIDON (Solution Posted, 1 Comments) 2 bases (in Numbers) Posted on 2017-07-21 by Ady TZIDON (Solution Posted, 2 Comments) Q & A (in General) Posted on 2017-07-20 by Ady TZIDON (Solution Posted, 4 Comments) 3 and 4-digit numbers (in Numbers) Posted on 2017-07-17 by Ady TZIDON (Solution Posted, 6 Comments) Guess who (in Sequences) Posted on 2017-07-16 by Ady TZIDON (No Solution Yet, 2 Comments) Brazilian numbers (in Sequences) Rating: 3.00 Posted on 2017-07-15 by Ady TZIDON (Solution Posted, 4 Comments) Fermat numbers (in Numbers) Rating: 4.00 Posted on 2017-07-13 by Ady TZIDON (No Solution Yet, 2 Comments) Make the proof full-proof (in Word Problems) Posted on 2017-07-11 by Ady TZIDON (No Solution Yet, 1 Comments) 4 options (in Probability) Posted on 2017-07-10 by Ady TZIDON (No Solution Yet, 3 Comments) Just add 2 letters (in Word Problems) Posted on 2017-07-06 by Ady TZIDON (No Solution Yet, 2 Comments) 4 couples make a new word (in Word Problems) Posted on 2017-07-04 by Ady TZIDON (Solution Posted, 3 Comments) 3,7,8 as a start (in Numbers) Posted on 2017-07-02 by Ady TZIDON (No Solution Yet, 0 Comments) 2 kids 3 boxes (in Games) Posted on 2017-07-01 by Ady TZIDON (No Solution Yet, 1 Comments) Words and hints (in General) Posted on 2017-06-27 by Ady TZIDON (Solution Posted, 1 Comments) Lewis Carroll's finding (in Geometry) Posted on 2017-06-25 by Ady TZIDON (No Solution Yet, 1 Comments) 2017 to start with (in Numbers) Posted on 2017-06-23 by Ady TZIDON (No Solution Yet, 7 Comments) Letters to digits to letters (in Numbers) Posted on 2017-06-22 by Ady TZIDON (Solution Posted, 1 Comments) Punchline I (in Word Problems) Rating: 3.00 Posted on 2017-06-19 by Ady TZIDON (No Solution Yet, 3 Comments) Rational number's conversion (in Just Math) Rating: 5.00 Posted on 2017-06-18 by Ady TZIDON (No Solution Yet, 5 Comments) Love story (in General) Posted on 2017-06-17 by Ady TZIDON (No Solution Yet, 1 Comments) a cube = s.o.d . (in Numbers) Rating: 3.00 Posted on 2017-06-15 by Ady TZIDON (No Solution Yet, 3 Comments) Paradox? Not really (in Probability) Posted on 2017-06-13 by Ady TZIDON (No Solution Yet, 1 Comments) Candy lover (in Liars and Knights) Posted on 2017-06-12 by Ady TZIDON (No Solution Yet, 3 Comments) A madness sequence (50 digits) (in Sequences) Posted on 2017-06-11 by Ady TZIDON (No Solution Yet, 1 Comments) Add another line (in General) Posted on 2017-06-10 by Ady TZIDON (No Solution Yet, 6 Comments) A powerful anagram (in Word Problems) Posted on 2017-06-09 by Ady TZIDON (Solution Posted, 2 Comments) Double black (in Probability) Rating: 2.67 Posted on 2017-06-08 by Ady TZIDON (No Solution Yet, 4 Comments) Question and answer (in General) Rating: 5.00 Posted on 2017-06-07 by Ady TZIDON (Solution Posted, 3 Comments) 18 is not enough (in Sequences) Rating: 3.00 Posted on 2017-06-06 by Ady TZIDON (No Solution Yet, 2 Comments) Ulam numbers (in Numbers) Rating: 3.00 Posted on 2017-06-03 by Ady TZIDON (Solution Posted, 5 Comments) His last words (in Word Problems) Posted on 2017-06-02 by Ady TZIDON (Solution Posted, 2 Comments) From right to left (in Weights and Scales) Rating: 4.00 Posted on 2017-06-01 by Ady TZIDON (No Solution Yet, 2 Comments) Unbalanced?- No problem (in Weights and Scales) Rating: 4.00 Posted on 2017-05-30 by Ady TZIDON (No Solution Yet, 7 Comments) Empty the bucket (in Logic) Rating: 4.50 Posted on 2017-05-29 by Ady TZIDON (Solution Posted, 12 Comments) Erase one (in Numbers) Posted on 2017-05-28 by Ady TZIDON (Solution Posted, 1 Comments) Oleg or Erdös? (in Games) Rating: 4.00 Posted on 2017-05-26 by Ady TZIDON (No Solution Yet, 8 Comments) First or second? (in Games) Rating: 3.00 Posted on 2017-05-23 by Ady TZIDON (Solution Posted, 6 Comments) 5 dice (in Probability) Rating: 3.00 Posted on 2017-05-22 by Ady TZIDON (No Solution Yet, 2 Comments) Four balls (in Probability) Rating: 3.50 Posted on 2017-05-19 by Ady TZIDON (Solution Posted, 22 Comments) Hands off! (in Weights and Scales) Rating: 3.00 Posted on 2017-05-16 by Ady TZIDON (No Solution Yet, 3 Comments) Not every prime qualifies! (in Numbers) Posted on 2017-05-15 by Ady TZIDON (No Solution Yet, 2 Comments) Twice blind (in Numbers) Posted on 2017-05-14 by Ady TZIDON (No Solution Yet, 2 Comments) How much is "?" ? (in Numbers) Posted on 2017-05-13 by Ady TZIDON (No Solution Yet, 1 Comments) Dirichlet sends his regards (in Logic) Rating: 3.00 Posted on 2017-05-12 by Ady TZIDON (No Solution Yet, 4 Comments) Inder Taneja's discovery (in Numbers) Posted on 2017-05-11 by Ady TZIDON (No Solution Yet, 4 Comments) One more line (in Logic) Posted on 2017-05-10 by Ady TZIDON (Solution Posted, 4 Comments) The length of the belt (in Geometry) Rating: 3.00 Posted on 2017-05-09 by Ady TZIDON (No Solution Yet, 5 Comments) Heavily wounded (in Probability) Rating: 3.00 Posted on 2017-05-08 by Ady TZIDON (No Solution Yet, 1 Comments) No software allowed ! (in Numbers) Posted on 2017-05-07 by Ady TZIDON (No Solution Yet, 6 Comments) All ten (in Numbers) Posted on 2017-05-06 by Ady TZIDON (No Solution Yet, 1 Comments) Sum and Difference II (in Numbers) Posted on 2017-05-05 by Ady TZIDON (No Solution Yet, 1 Comments) Strange Summation (in Numbers) Posted on 2017-05-04 by Ady TZIDON (No Solution Yet, 1 Comments) Pandigital + (in Probability) Posted on 2017-05-03 by Ady TZIDON (No Solution Yet, 3 Comments) The smallest non-conformist (in Numbers) Posted on 2017-05-02 by Ady TZIDON (No Solution Yet, 3 Comments) A cent or more? (in Probability) Posted on 2017-05-01 by Ady TZIDON (No Solution Yet, 2 Comments) Smallest pandifibo number (in Numbers) Posted on 2017-04-29 by Ady TZIDON (No Solution Yet, 1 Comments) Eat as eat can (in Numbers) Rating: 3.00 Posted on 2017-04-28 by Ady TZIDON (No Solution Yet, 2 Comments) Baker to butcher to baker (in Just Math) Posted on 2017-04-27 by Ady TZIDON (No Solution Yet, 2 Comments) Driven by greed (in General) Posted on 2017-04-26 by Ady TZIDON (No Solution Yet, 1 Comments) Prime with no prime digits (in Numbers) Posted on 2017-04-25 by Ady TZIDON (Solution Posted, 5 Comments) Liars can figure (in Liars and Knights) Rating: 2.00 Posted on 2017-04-24 by Ady TZIDON (Solution Posted, 4 Comments) e as a pandigital expression (in Numbers) Posted on 2017-04-23 by Ady TZIDON (No Solution Yet, 2 Comments) Maxim, Minerva & Kangaroo (in Numbers) Posted on 2017-04-22 by Ady TZIDON (No Solution Yet, 4 Comments) Cryptajoke XVII (in Numbers) Rating: 3.00 Posted on 2017-04-21 by Ady TZIDON (Solution Posted, 6 Comments) The Dot-town Suicides (in Logic) Posted on 2017-04-20 by Ady TZIDON (No Solution Yet, 1 Comments) A factorial in seconds (in Numbers) Rating: 5.00 Posted on 2017-04-18 by Ady TZIDON (Solution Posted, 6 Comments) Pacifist or else? (in Word Problems) Posted on 2017-04-16 by Ady TZIDON (Solution Posted, 3 Comments) Pandigital and square (in Numbers) Posted on 2017-04-15 by Ady TZIDON (No Solution Yet, 6 Comments) Growth Potential (in Algorithms) Posted on 2017-04-13 by Ady TZIDON (No Solution Yet, 4 Comments) Le petit trivia (in Numbers) Posted on 2017-04-12 by Ady TZIDON (Solution Posted, 3 Comments) Pretty primes (in Numbers) Posted on 2017-04-10 by Ady TZIDON (Solution Posted, 2 Comments) Names in Boxes (in Logic) Rating: 3.75 Posted on 2017-04-09 by Ady TZIDON (No Solution Yet, 10 Comments) Excellent numbers (in Numbers) Posted on 2017-04-08 by Ady TZIDON (No Solution Yet, 3 Comments) The magnificent twelve (in Numbers) Posted on 2017-04-07 by Ady TZIDON (No Solution Yet, 2 Comments) What is the value of "?" ? (in General) Posted on 2017-04-06 by Ady TZIDON (No Solution Yet, 3 Comments) Long live the vowels (in Word Problems) Posted on 2017-04-05 by Ady TZIDON (No Solution Yet, 3 Comments) Y ask about Y ? (in Numbers) Rating: 3.00 Posted on 2017-04-04 by Ady TZIDON (Solution Posted, 5 Comments) S.o.S is S (in Numbers) Rating: 2.00 Posted on 2017-04-03 by Ady TZIDON (No Solution Yet, 6 Comments) Three mirrored multiplications (in Numbers) Posted on 2017-04-02 by Ady TZIDON (No Solution Yet, 1 Comments) Inspirational aspiration (in Word Problems) Posted on 2017-03-31 by Ady TZIDON (Solution Posted, 1 Comments) Over 18 (in Sequences) Posted on 2017-03-29 by Ady TZIDON (No Solution Yet, 3 Comments) QUICKIE X (in Just Math) Posted on 2017-03-28 by Ady TZIDON (Solution Posted, 3 Comments) Why is it D2? (in Numbers) Posted on 2017-03-27 by Ady TZIDON (No Solution Yet, 4 Comments) Power partition procedure (in Numbers) Posted on 2017-03-26 by Ady TZIDON (Solution Posted, 5 Comments) 1 is one of them (in Numbers) Posted on 2017-03-25 by Ady TZIDON (No Solution Yet, 2 Comments) True for nine and up (in Numbers) Posted on 2017-03-24 by Ady TZIDON (No Solution Yet, 3 Comments) POPANASIS (in Word Problems) Posted on 2017-03-23 by Ady TZIDON (No Solution Yet, 4 Comments) Up and up (in Numbers) Rating: 5.00 Posted on 2017-03-22 by Ady TZIDON (No Solution Yet, 2 Comments) The sum of 2016 terms (in Sequences) Posted on 2017-03-21 by Ady TZIDON (No Solution Yet, 1 Comments) Elongated Pentagonal Orthocupola's vertices (in Shapes) Posted on 2017-03-20 by Ady TZIDON (No Solution Yet, 3 Comments) Leave no stone unturned (in Logic) Rating: 4.00 Posted on 2017-03-19 by Ady TZIDON (Solution Posted, 5 Comments) A rare palindrome (in Numbers) Posted on 2017-03-18 by Ady TZIDON (No Solution Yet, 1 Comments) Primes and factors (in Numbers) Posted on 2017-03-17 by Ady TZIDON (Solution Posted, 2 Comments) Same side story (in Probability) Posted on 2017-03-16 by Ady TZIDON (No Solution Yet, 5 Comments) It's obvious, but needs proof (in Just Math) Posted on 2017-03-15 by Ady TZIDON (Solution Posted, 2 Comments) Equality? Yes, but not exactly... (in Numbers) Posted on 2017-03-14 by Ady TZIDON (Solution Posted, 1 Comments) Integers and their sums of digits (in Just Math) Posted on 2017-03-13 by Ady TZIDON (No Solution Yet, 3 Comments) Three heights in a triangle (in Geometry) Posted on 2017-03-11 by Ady TZIDON (No Solution Yet, 2 Comments) 1 progression, 2 sums, 3 numbers (in Just Math) Posted on 2017-03-09 by Ady TZIDON (No Solution Yet, 1 Comments) An easy whodunit (in Logic) Rating: 3.50 Posted on 2017-03-08 by Ady TZIDON (Solution Posted, 8 Comments) Facing each other (in Just Math) Posted on 2017-03-07 by Ady TZIDON (No Solution Yet, 2 Comments) At most - equality (in Just Math) Posted on 2017-03-06 by Ady TZIDON (No Solution Yet, 1 Comments) Problem on its own (in Geometry) Posted on 2017-03-05 by Ady TZIDON (No Solution Yet, 1 Comments) Inequality with a constraint (in Just Math) Posted on 2017-03-04 by Ady TZIDON (No Solution Yet, 0 Comments) Only real x counted (in Probability) Posted on 2017-03-01 by Ady TZIDON (No Solution Yet, 3 Comments) a KISS puzzle (in Just Math) Posted on 2017-02-27 by Ady TZIDON (Solution Posted, 2 Comments) Never a square (in Numbers) Posted on 2017-02-26 by Ady TZIDON (No Solution Yet, 5 Comments) Scanning Bard's masterpiece (in Word Problems) Posted on 2017-02-25 by Ady TZIDON (No Solution Yet, 0 Comments) Areas ratio (in Probability) Posted on 2017-02-24 by Ady TZIDON (No Solution Yet, 1 Comments) Italian, English, and both (in General) Posted on 2017-02-22 by Ady TZIDON (No Solution Yet, 0 Comments) Integer triplets (in Just Math) Posted on 2017-02-21 by Ady TZIDON (Solution Posted, 4 Comments) The toll of two cities (in Geometry) Posted on 2017-02-20 by Ady TZIDON (Solution Posted, 1 Comments) Square expressions (in Numbers) Posted on 2017-02-18 by Ady TZIDON (No Solution Yet, 3 Comments) Placing 4 integers within a set interval (in Just Math) Posted on 2017-02-17 by Ady TZIDON (No Solution Yet, 4 Comments) Sets' intersection (in Just Math) Posted on 2017-02-16 by Ady TZIDON (No Solution Yet, 2 Comments) S.O.S. is not a prime (in Numbers) Posted on 2017-02-15 by Ady TZIDON (No Solution Yet, 0 Comments) Odds are ... (in Probability) Rating: 3.00 Posted on 2017-02-14 by Ady TZIDON (No Solution Yet, 8 Comments) Trying to reach a Pythagorean triplet (in Just Math) Posted on 2017-02-12 by Ady TZIDON (No Solution Yet, 1 Comments) No crossing (in General) Posted on 2017-02-11 by Ady TZIDON (No Solution Yet, 0 Comments) Most words from your word (in Word Problems) Posted on 2017-02-10 by Ady TZIDON (No Solution Yet, 10 Comments) Lies, truth, and logic (in Liars and Knights) Rating: 1.00 Posted on 2017-02-09 by Ady TZIDON (No Solution Yet, 2 Comments) Integer couples (in Numbers) Posted on 2017-02-06 by Ady TZIDON (No Solution Yet, 1 Comments) A table 4 4 (in Just Math) Posted on 2017-02-05 by Ady TZIDON (No Solution Yet, 2 Comments) 4 is five and 5 is four (in Word Problems) Posted on 2017-02-04 by Ady TZIDON (Solution Posted, 2 Comments) T better than S (in Famous Riddles) Posted on 2017-02-02 by Ady TZIDON (No Solution Yet, 2 Comments) Given VI, evaluate VII (in Sequences) Posted on 2017-02-01 by Ady TZIDON (No Solution Yet, 1 Comments) The kiss (in Word Problems) Posted on 2017-01-30 by Ady TZIDON (No Solution Yet, 1 Comments) Opening your eyes (in Famous Riddles) Posted on 2017-01-28 by Ady TZIDON (No Solution Yet, 2 Comments) A false conjecture (in Numbers) Posted on 2017-01-27 by Ady TZIDON (Solution Posted, 7 Comments) 1,3,8 ...extend! (in Numbers) Rating: 5.00 Posted on 2017-01-26 by Ady TZIDON (No Solution Yet, 4 Comments) Ain't she clever? (in Just Math) Posted on 2017-01-24 by Ady TZIDON (No Solution Yet, 1 Comments) Non-zero solutions only (in Just Math) Posted on 2017-01-23 by Ady TZIDON (No Solution Yet, 0 Comments) Additional values (in Just Math) Posted on 2017-01-22 by Ady TZIDON (No Solution Yet, 1 Comments) Powers of x and y (in Just Math) Rating: 4.00 Posted on 2017-01-21 by Ady TZIDON (No Solution Yet, 3 Comments) Six (or more) sextuples (in Numbers) Posted on 2017-01-20 by Ady TZIDON (No Solution Yet, 1 Comments) 777-111 (in General) Posted on 2017-01-19 by Ady TZIDON (Solution Posted, 1 Comments) When is it a square? (in Just Math) Posted on 2017-01-15 by Ady TZIDON (Solution Posted, 1 Comments) Square OR 2*square (in Numbers) Posted on 2017-01-14 by Ady TZIDON (No Solution Yet, 2 Comments) Squares sum up to a prime (in Just Math) Posted on 2017-01-13 by Ady TZIDON (Solution Posted, 4 Comments) Proving divisibility (in Just Math) Posted on 2017-01-08 by Ady TZIDON (No Solution Yet, 2 Comments) (x−y)^ n = xy (in Just Math) Posted on 2017-01-07 by Ady TZIDON (No Solution Yet, 2 Comments) Counting brackets (in Just Math) Posted on 2017-01-03 by Ady TZIDON (No Solution Yet, 1 Comments) Which is the biggest? (in Numbers) Posted on 2017-01-02 by Ady TZIDON (No Solution Yet, 2 Comments) A set of 3 equations (in Just Math) Rating: 3.50 Posted on 2016-12-31 by Ady TZIDON (No Solution Yet, 1 Comments) Skill or food? (in Numbers) Posted on 2016-12-28 by Ady TZIDON (No Solution Yet, 5 Comments) As EZ as UC it (in Numbers) Rating: 4.00 Posted on 2016-12-26 by Ady TZIDON (No Solution Yet, 3 Comments) No change in its value (in Numbers) Posted on 2016-12-23 by Ady TZIDON (No Solution Yet, 1 Comments) A chain of powers (in Sequences) Posted on 2016-12-22 by Ady TZIDON (No Solution Yet, 1 Comments) Prime candidates (in Just Math) Posted on 2016-12-20 by Ady TZIDON (Solution Posted, 5 Comments) It's all in the stars (in Just Math) Posted on 2016-12-14 by Ady TZIDON (No Solution Yet, 2 Comments) A ragman from 3 to 10 (in Word Problems) Posted on 2016-12-07 by Ady TZIDON (No Solution Yet, 2 Comments) Four integers (in Numbers) Posted on 2016-12-04 by Ady TZIDON (No Solution Yet, 8 Comments) A biased random walk (in Probability) Posted on 2016-12-01 by Ady TZIDON (No Solution Yet, 1 Comments) 7+8=12 ?? (in Just Math) Rating: 3.00 Posted on 2016-11-30 by Ady TZIDON (No Solution Yet, 3 Comments) 26 out of 50 (in Just Math) Rating: 4.00 Posted on 2016-11-25 by Ady TZIDON (No Solution Yet, 10 Comments) Prime repunits (in Numbers) Rating: 3.50 Posted on 2016-11-24 by Ady TZIDON (No Solution Yet, 4 Comments) On the same floor (in Just Math) Posted on 2016-11-22 by Ady TZIDON (No Solution Yet, 13 Comments) At least twice (in Numbers) Posted on 2016-11-17 by Ady TZIDON (Solution Posted, 5 Comments) Maximizing the sum (in Numbers) Posted on 2016-11-16 by Ady TZIDON (No Solution Yet, 4 Comments) A radical problem (in Just Math) Posted on 2016-11-15 by Ady TZIDON (No Solution Yet, 2 Comments) In terzo luogo (in Sequences) Posted on 2016-11-13 by Ady TZIDON (No Solution Yet, 4 Comments) 6 given, 2 wanted (in Sequences) Posted on 2016-11-11 by Ady TZIDON (Solution Posted, 5 Comments) Your conclusion requested (in Logic) Rating: 3.67 Posted on 2016-11-03 by Ady TZIDON (No Solution Yet, 9 Comments) A peculiar triplet (in Just Math) Posted on 2016-11-01 by Ady TZIDON (Solution Posted, 7 Comments) Rationality certification (in Just Math) Posted on 2016-10-27 by Ady TZIDON (No Solution Yet, 2 Comments) Symmetry helps! (in Just Math) Posted on 2016-10-26 by Ady TZIDON (Solution Posted, 7 Comments) Inequality challenge (in Just Math) Posted on 2016-10-25 by Ady TZIDON (No Solution Yet, 4 Comments) List of triplets (in Just Math) Posted on 2016-10-21 by Ady TZIDON (No Solution Yet, 4 Comments) Why not marry? (in Logic) Posted on 2016-10-19 by Ady TZIDON (Solution Posted, 6 Comments) Prove Phi's Peculiar Property (in Numbers) Posted on 2016-10-17 by Ady TZIDON (No Solution Yet, 3 Comments) Phibobrick's dimensions (in Numbers) Posted on 2016-10-14 by Ady TZIDON (No Solution Yet, 1 Comments) Adding consecutive primes (in Just Math) Posted on 2016-10-11 by Ady TZIDON (No Solution Yet, 1 Comments) 2 sums modulo 7 (in Probability) Posted on 2016-10-05 by Ady TZIDON (No Solution Yet, 3 Comments) Additional solutions, please (in Just Math) Posted on 2016-10-03 by Ady TZIDON (No Solution Yet, 3 Comments) Prime problem (in Just Math) Posted on 2016-10-03 by Ady TZIDON (No Solution Yet, 1 Comments) Collinearity proof (in Geometry) Posted on 2016-10-01 by Ady TZIDON (No Solution Yet, 1 Comments) Carfax (in General) Posted on 2016-09-29 by Ady TZIDON (No Solution Yet, 2 Comments) Cryptajoke XVI (in Word Problems) Posted on 2016-09-28 by Ady TZIDON (No Solution Yet, 2 Comments) No data - just a weighing problem (in General) Posted on 2016-09-27 by Ady TZIDON (No Solution Yet, 2 Comments) Cryptajoke XV (in Cryptography) Posted on 2016-09-26 by Ady TZIDON (No Solution Yet, 1 Comments) Numbers' quantifiers (in Logic) Posted on 2016-09-23 by Ady TZIDON (No Solution Yet, 4 Comments) A cyclic path (in Geometry) Posted on 2016-09-21 by Ady TZIDON (No Solution Yet, 1 Comments) Area search (in Geometry) Posted on 2016-09-19 by Ady TZIDON (Solution Posted, 2 Comments) Provide the next number (in Sequences) Posted on 2016-09-18 by Ady TZIDON (No Solution Yet, 2 Comments) Anamonics (in Word Problems) Posted on 2016-09-16 by Ady TZIDON (No Solution Yet, 1 Comments) The triple threat (in Tricks) Posted on 2016-09-13 by Ady TZIDON (No Solution Yet, 2 Comments) 4 rebuses (in Word Problems) Posted on 2016-09-12 by Ady TZIDON (No Solution Yet, 0 Comments) Think twice (in Just Math) Rating: 5.00 Posted on 2016-09-12 by Ady TZIDON (Solution Posted, 4 Comments) Finding the hidden digit (in Tricks) Posted on 2016-09-09 by Ady TZIDON (No Solution Yet, 1 Comments) Four weddings (in Word Problems) Posted on 2016-09-08 by Ady TZIDON (No Solution Yet, 1 Comments) Counting ARATs (in Numbers) Posted on 2016-09-07 by Ady TZIDON (No Solution Yet, 4 Comments) 1248 must be included (in Sequences) Posted on 2016-09-06 by Ady TZIDON (No Solution Yet, 3 Comments) Getting 189 (in Numbers) Posted on 2016-09-05 by Ady TZIDON (No Solution Yet, 1 Comments) Bonne chance (in Logic) Posted on 2016-09-02 by Ady TZIDON (Solution Posted, 2 Comments) Empty or fool ?? (in Logic) Posted on 2016-09-01 by Ady TZIDON (No Solution Yet, 1 Comments) Divisibility Property (in Numbers) Posted on 2016-08-31 by Ady TZIDON (No Solution Yet, 2 Comments) Add missing letters (in Word Problems) Rating: 3.00 Posted on 2016-08-30 by Ady TZIDON (No Solution Yet, 3 Comments) Moving a rook (in Games) Posted on 2016-08-29 by Ady TZIDON (Solution Posted, 1 Comments) All rational numbers in (in Sequences) Posted on 2016-08-26 by Ady TZIDON (No Solution Yet, 10 Comments) Powers of 3 (in Numbers) Posted on 2016-08-25 by Ady TZIDON (No Solution Yet, 5 Comments) Business is business (in Word Problems) Rating: 4.00 Posted on 2016-08-24 by Ady TZIDON (No Solution Yet, 6 Comments) Almost disjoint union (in Just Math) Posted on 2016-08-23 by Ady TZIDON (No Solution Yet, 0 Comments) Estimate a percentage (in Numbers) Posted on 2016-08-22 by Ady TZIDON (No Solution Yet, 6 Comments) Bananas travel (in General) Posted on 2016-08-19 by Ady TZIDON (No Solution Yet, 3 Comments) Guessing your birthdate (in Just Math) Posted on 2016-08-18 by Ady TZIDON (No Solution Yet, 4 Comments) Summing up (in Sequences) Posted on 2016-08-17 by Ady TZIDON (Solution Posted, 2 Comments) 4 groups of 4 (in Word Problems) Rating: 2.00 Posted on 2016-08-16 by Ady TZIDON (No Solution Yet, 8 Comments) 240 divisors (in Just Math) Posted on 2016-08-15 by Ady TZIDON (No Solution Yet, 1 Comments) Translate a ledger entry (in Word Problems) Rating: 4.00 Posted on 2016-08-12 by Ady TZIDON (Solution Posted, 4 Comments) Find additional pairs (in Just Math) Posted on 2016-08-08 by Ady TZIDON (Solution Posted, 5 Comments) Visiting Toronto (in Numbers) Posted on 2016-08-05 by Ady TZIDON (No Solution Yet, 1 Comments) A spiral word (in Word Problems) Rating: 3.50 Posted on 2016-08-04 by Ady TZIDON (No Solution Yet, 7 Comments) Square angles (in Shapes) Posted on 2016-08-02 by Ady TZIDON (No Solution Yet, 1 Comments) Ending by 3 or 7 (in Numbers) Posted on 2016-08-01 by Ady TZIDON (Solution Posted, 1 Comments) Mirror multiplication (in Numbers) Posted on 2016-07-31 by Ady TZIDON (No Solution Yet, 8 Comments) Hat #11 (in Logic) Posted on 2016-07-27 by Ady TZIDON (Solution Posted, 3 Comments) A chain of command (in Just Math) Posted on 2016-07-26 by Ady TZIDON (No Solution Yet, 2 Comments) Cute numbers (in Numbers) Posted on 2016-07-21 by Ady TZIDON (No Solution Yet, 5 Comments) A square within a triangle (in Just Math) Posted on 2016-07-20 by Ady TZIDON (No Solution Yet, 1 Comments) Two items to get sqrt of 2 (in Science) Posted on 2016-07-19 by Ady TZIDON (Solution Posted, 5 Comments) Denver is not the issue (in Word Problems) Posted on 2016-07-18 by Ady TZIDON (No Solution Yet, 5 Comments) Divisible by 19? (in Numbers) Posted on 2016-07-15 by Ady TZIDON (No Solution Yet, 1 Comments) Prove SG's theorem (in Just Math) Posted on 2016-07-12 by Ady TZIDON (No Solution Yet, 3 Comments) Two out of seven (in Numbers) Posted on 2016-07-07 by Ady TZIDON (Solution Posted, 2 Comments) Not too high, not too low (in Just Math) Posted on 2016-07-06 by Ady TZIDON (No Solution Yet, 3 Comments) Who said it? (in Cryptography) Posted on 2016-07-04 by Ady TZIDON (No Solution Yet, 1 Comments) Three vowels (in Word Problems) Posted on 2016-06-21 by Ady TZIDON (No Solution Yet, 4 Comments) Find the killer (in Liars and Knights) Rating: 5.00 Posted on 2016-06-20 by Ady TZIDON (Solution Posted, 5 Comments) Go for the midpoint (in Geometry) Rating: 2.00 Posted on 2016-06-18 by Ady TZIDON (No Solution Yet, 3 Comments) A transpogram (in Word Problems) Posted on 2016-06-16 by Ady TZIDON (No Solution Yet, 1 Comments) Comparing two events (in Probability) Posted on 2016-06-15 by Ady TZIDON (No Solution Yet, 3 Comments) Cryptajoke XIII (in Cryptography) Posted on 2016-06-13 by Ady TZIDON (Solution Posted, 1 Comments) Squared halves (in Numbers) Posted on 2016-06-10 by Ady TZIDON (No Solution Yet, 1 Comments) Is the sum odd? (in Numbers) Posted on 2016-06-08 by Ady TZIDON (No Solution Yet, 1 Comments) Matching pegs (in Probability) Posted on 2016-06-08 by Ady TZIDON (No Solution Yet, 2 Comments) Twice 2 products (in Numbers) Posted on 2016-06-07 by Ady TZIDON (No Solution Yet, 2 Comments) A recursive sequence (in Sequences) Posted on 2016-06-06 by Ady TZIDON (No Solution Yet, 0 Comments) Save our souls (in Games) Rating: 4.00 Posted on 2016-06-03 by Ady TZIDON (No Solution Yet, 2 Comments) Three expressions - same value (in Just Math) Posted on 2016-06-02 by Ady TZIDON (No Solution Yet, 3 Comments) No fours on my odometer (in Just Math) Posted on 2016-06-02 by Ady TZIDON (No Solution Yet, 2 Comments) King on the run (in Just Math) Posted on 2016-06-01 by Ady TZIDON (No Solution Yet, 5 Comments) Edge problem (in Geometry) Posted on 2016-05-31 by Ady TZIDON (No Solution Yet, 3 Comments) Latin verse (in Word Problems) Posted on 2016-05-31 by Ady TZIDON (No Solution Yet, 5 Comments) List the expressionist numbers (in Numbers) Posted on 2016-05-30 by Ady TZIDON (No Solution Yet, 10 Comments) Finding the fixes (in Numbers) Posted on 2016-05-29 by Ady TZIDON (No Solution Yet, 4 Comments) Power of 2 (in Numbers) Rating: 5.00 Posted on 2016-05-27 by Ady TZIDON (No Solution Yet, 6 Comments) Mark's itinerary (in Probability) Posted on 2016-05-26 by Ady TZIDON (No Solution Yet, 5 Comments) Wanted: gifted numbers (in Numbers) Posted on 2016-05-24 by Ady TZIDON (No Solution Yet, 1 Comments) Laugh, USA (in General) Posted on 2016-05-24 by Ady TZIDON (No Solution Yet, 2 Comments) 3 integers (in Just Math) Posted on 2016-05-23 by Ady TZIDON (No Solution Yet, 2 Comments) Gambler's policy (in Probability) Posted on 2016-05-20 by Ady TZIDON (No Solution Yet, 2 Comments) A comprehensive list (in Word Problems) Posted on 2016-05-19 by Ady TZIDON (No Solution Yet, 4 Comments) A direct count (in Famous Riddles) Posted on 2016-05-19 by Ady TZIDON (No Solution Yet, 4 Comments) Grid exercise (in Just Math) Rating: 5.00 Posted on 2016-05-18 by Ady TZIDON (No Solution Yet, 2 Comments) Rocking moves (in Logic) Rating: 5.00 Posted on 2016-05-17 by Ady TZIDON (Solution Posted, 3 Comments) A square problem (in Just Math) Posted on 2016-05-17 by Ady TZIDON (No Solution Yet, 1 Comments) A cube with missing row (in Numbers) Posted on 2016-05-16 by Ady TZIDON (No Solution Yet, 1 Comments) Two distinct questions (in Just Math) Posted on 2016-05-13 by Ady TZIDON (No Solution Yet, 1 Comments) Easy Victory (in Numbers) Posted on 2016-05-13 by Ady TZIDON (Solution Posted, 1 Comments) From challenge to change (in Word Problems) Posted on 2016-05-12 by Ady TZIDON (Solution Posted, 4 Comments) Icosahedron addressed (in Geometry) Posted on 2016-05-11 by Ady TZIDON (No Solution Yet, 2 Comments) Tanya's puzzle (in Logic) Rating: 4.00 Posted on 2016-05-10 by Ady TZIDON (No Solution Yet, 10 Comments) Make it true (in Numbers) Posted on 2016-05-09 by Ady TZIDON (Solution Posted, 5 Comments) Cryptajoke XIV (in Cryptography) Posted on 2016-05-06 by Ady TZIDON (Solution Posted, 2 Comments) Crazy or Sane (in Numbers) Posted on 2016-05-05 by Ady TZIDON (No Solution Yet, 3 Comments) Visiting each other (in Just Math) Posted on 2016-05-05 by Ady TZIDON (No Solution Yet, 1 Comments) Create this string (in Numbers) Posted on 2016-05-04 by Ady TZIDON (Solution Posted, 6 Comments) You'll be surprised (in Numbers) Posted on 2016-05-03 by Ady TZIDON (No Solution Yet, 5 Comments) Is it true? (in Just Math) Rating: 3.00 Posted on 2016-05-02 by Ady TZIDON (No Solution Yet, 2 Comments) Much of few is many (in Numbers) Posted on 2016-04-28 by Ady TZIDON (No Solution Yet, 2 Comments) One and only (in Numbers) Posted on 2016-04-28 by Ady TZIDON (No Solution Yet, 4 Comments) M.G.'s wit (in Just Math) Posted on 2016-04-27 by Ady TZIDON (Solution Posted, 3 Comments) Think it over (in Logic) Posted on 2016-04-27 by Ady TZIDON (No Solution Yet, 6 Comments) 2 diagonal sums (in Just Math) Posted on 2016-04-26 by Ady TZIDON (No Solution Yet, 1 Comments) TO and FRO (in Just Math) Rating: 3.00 Posted on 2016-04-25 by Ady TZIDON (No Solution Yet, 4 Comments) The heavy couple (in Weights and Scales) Posted on 2016-04-22 by Ady TZIDON (Solution Posted, 5 Comments) A clever promotion (in Cryptography) Posted on 2016-04-21 by Ady TZIDON (No Solution Yet, 2 Comments) Never on Sunday (in Liars and Knights) Posted on 2016-04-21 by Ady TZIDON (Solution Posted, 1 Comments) An educated guess (in Probability) Posted on 2016-04-18 by Ady TZIDON (No Solution Yet, 7 Comments) Proof requested (in Geometry) Posted on 2016-04-14 by Ady TZIDON (No Solution Yet, 3 Comments) Three ways - same sum (in Numbers) Posted on 2016-04-14 by Ady TZIDON (No Solution Yet, 3 Comments) 1 to 9 concatenation (in Numbers) Posted on 2016-04-12 by Ady TZIDON (No Solution Yet, 7 Comments) The only odd untouchable (in Numbers) Posted on 2016-04-12 by Ady TZIDON (No Solution Yet, 1 Comments) 2 equal sums (in Just Math) Posted on 2016-04-11 by Ady TZIDON (No Solution Yet, 3 Comments) A Pythagorean triangle (in Numbers) Rating: 5.00 Posted on 2016-04-08 by Ady TZIDON (No Solution Yet, 4 Comments) Worth trying (in Numbers) Posted on 2016-04-06 by Ady TZIDON (Solution Posted, 1 Comments) 36 forever (in Numbers) Posted on 2016-04-05 by Ady TZIDON (No Solution Yet, 4 Comments) Find this number (in Numbers) Posted on 2016-04-04 by Ady TZIDON (No Solution Yet, 1 Comments) Not a common alphametic (in Just Math) Posted on 2016-04-01 by Ady TZIDON (No Solution Yet, 2 Comments) Look for 3 sevens (in Numbers) Posted on 2016-04-01 by Ady TZIDON (No Solution Yet, 2 Comments) 4 partitions, same product (in Numbers) Posted on 2016-03-31 by Ady TZIDON (No Solution Yet, 1 Comments) What's our problem? (in Numbers) Posted on 2016-03-30 by Ady TZIDON (Solution Posted, 1 Comments) 1+4=5 (in Just Math) Posted on 2016-03-28 by Ady TZIDON (Solution Posted, 2 Comments) A scrabblematic problem (in General) Posted on 2016-03-25 by Ady TZIDON (Solution Posted, 13 Comments) Minimizing n (in Numbers) Posted on 2016-03-23 by Ady TZIDON (Solution Posted, 2 Comments) Neighbors or not? (in Probability) Posted on 2016-03-22 by Ady TZIDON (No Solution Yet, 3 Comments) Not so trivial (in Numbers) Posted on 2016-03-18 by Ady TZIDON (No Solution Yet, 6 Comments) 2 coins (in Probability) Posted on 2016-03-18 by Ady TZIDON (No Solution Yet, 2 Comments) Never 0 mod 3 (in Probability) Posted on 2016-03-17 by Ady TZIDON (No Solution Yet, 7 Comments) Minimal cardinality (in Numbers) Posted on 2016-03-16 by Ady TZIDON (Solution Posted, 3 Comments) Same area (in Shapes) Posted on 2016-03-15 by Ady TZIDON (Solution Posted, 2 Comments) Percentage quickie (in Numbers) Rating: 3.00 Posted on 2016-03-14 by Ady TZIDON (Solution Posted, 1 Comments) To-day is Monday & a PIday (in Numbers) Posted on 2016-03-14 by Ady TZIDON (No Solution Yet, 13 Comments) Only one below 5000 (in Numbers) Posted on 2016-03-11 by Ady TZIDON (Solution Posted, 4 Comments) Love is blind (in Numbers) Posted on 2016-03-10 by Ady TZIDON (No Solution Yet, 2 Comments) d1 or more ? (in Numbers) Posted on 2016-03-07 by Ady TZIDON (Solution Posted, 4 Comments) The sum is a square (in Numbers) Posted on 2016-03-04 by Ady TZIDON (No Solution Yet, 2 Comments) Matryoshka Nesting Primes (in Numbers) Posted on 2016-03-03 by Ady TZIDON (No Solution Yet, 11 Comments) 13 and 2 (in Numbers) Posted on 2016-03-01 by Ady TZIDON (No Solution Yet, 6 Comments) Find the sum (in Just Math) Posted on 2016-02-29 by Ady TZIDON (Solution Posted, 2 Comments) Within the Galaxy (in Just Math) Rating: 3.00 Posted on 2016-02-28 by Ady TZIDON (Solution Posted, 2 Comments) What's this (in Word Problems) Posted on 2016-02-25 by Ady TZIDON (Solution Posted, 1 Comments) My four numbers (in Just Math) Rating: 4.33 Posted on 2016-02-24 by Ady TZIDON (Solution Posted, 12 Comments) In a bar (in Probability) Posted on 2016-02-23 by Ady TZIDON (No Solution Yet, 6 Comments) The hundreds' digit (in Just Math) Posted on 2016-02-22 by Ady TZIDON (No Solution Yet, 1 Comments) Fifty-fifty? (in Probability) Posted on 2016-02-18 by Ady TZIDON (Solution Posted, 2 Comments) 25 * 1 (in Just Math) Posted on 2016-02-18 by Ady TZIDON (No Solution Yet, 3 Comments) Equal products and sums (in Just Math) Posted on 2016-02-17 by Ady TZIDON (No Solution Yet, 4 Comments) 4 labeled coins (in Weights and Scales) Rating: 3.00 Posted on 2016-02-16 by Ady TZIDON (No Solution Yet, 1 Comments) Big difference (in Numbers) Posted on 2016-02-14 by Ady TZIDON (No Solution Yet, 4 Comments) Proving a theorem (in Geometry) Posted on 2016-02-12 by Ady TZIDON (No Solution Yet, 1 Comments) Prove or disprove (in Numbers) Posted on 2016-02-11 by Ady TZIDON (No Solution Yet, 1 Comments) Boxes galore (in Numbers) Posted on 2016-02-11 by Ady TZIDON (No Solution Yet, 2 Comments) How high the moon tonight (in Numbers) Posted on 2016-02-10 by Ady TZIDON (No Solution Yet, 1 Comments) Three in a row (in Numbers) Rating: 2.50 Posted on 2016-02-08 by Ady TZIDON (No Solution Yet, 3 Comments) Interesting representation (in Numbers) Rating: 5.00 Posted on 2016-02-08 by Ady TZIDON (No Solution Yet, 6 Comments) Fifty-fifty (in Just Math) Rating: 3.00 Posted on 2016-02-05 by Ady TZIDON (No Solution Yet, 2 Comments) a version of NIM (in Games) Rating: 3.00 Posted on 2016-02-04 by Ady TZIDON (No Solution Yet, 3 Comments) Square in Pascal's triangle (in Just Math) Posted on 2016-02-03 by Ady TZIDON (No Solution Yet, 0 Comments) Dascal triangle (in Numbers) Posted on 2016-02-02 by Ady TZIDON (No Solution Yet, 8 Comments) Maybe soon (in Numbers) Posted on 2016-02-01 by Ady TZIDON (No Solution Yet, 1 Comments) The real McCoy (in Weights and Scales) Posted on 2016-01-29 by Ady TZIDON (No Solution Yet, 1 Comments) Erase the right 90 (in Numbers) Rating: 4.00 Posted on 2016-01-28 by Ady TZIDON (No Solution Yet, 5 Comments) L, like in like (in Numbers) Posted on 2016-01-27 by Ady TZIDON (No Solution Yet, 1 Comments) 5 cubes (in Numbers) Posted on 2016-01-26 by Ady TZIDON (No Solution Yet, 1 Comments) Evaluate probabilities (in Probability) Posted on 2016-01-26 by Ady TZIDON (No Solution Yet, 3 Comments) 82 in 82 (in Numbers) Posted on 2016-01-24 by Ady TZIDON (No Solution Yet, 1 Comments) Find the next two numbers (in Sequences) Posted on 2016-01-21 by Ady TZIDON (Solution Posted, 4 Comments) You may name it (in Word Problems) Posted on 2016-01-20 by Ady TZIDON (No Solution Yet, 1 Comments) Detect my chosen coin (in Games) Posted on 2016-01-19 by Ady TZIDON (No Solution Yet, 19 Comments) 9 coins prob (in Weights and Scales) Posted on 2016-01-18 by Ady TZIDON (No Solution Yet, 6 Comments) Product equals sum (in Just Math) Rating: 2.00 Posted on 2016-01-17 by Ady TZIDON (No Solution Yet, 6 Comments) Family tree (in Logic) Rating: 5.00 Posted on 2016-01-15 by Ady TZIDON (No Solution Yet, 2 Comments) 70 6570 (in General) Rating: 4.00 Posted on 2016-01-14 by Ady TZIDON (Solution Posted, 2 Comments) 6 coins (in Weights and Scales) Rating: 4.25 Posted on 2016-01-13 by Ady TZIDON (Solution Posted, 10 Comments) Expose ambiguity (in Logic) Rating: 3.00 Posted on 2016-01-13 by Ady TZIDON (No Solution Yet, 5 Comments) Four balloons (in Just Math) Posted on 2016-01-12 by Ady TZIDON (No Solution Yet, 4 Comments) A math symbol (in Numbers) Rating: 2.00 Posted on 2016-01-08 by Ady TZIDON (No Solution Yet, 10 Comments) Two hexagons (in Just Math) Posted on 2016-01-07 by Ady TZIDON (No Solution Yet, 3 Comments) Test #10 (in General) Posted on 2016-01-07 by Ady TZIDON (Solution Posted, 4 Comments) Test #9 (in Word Problems) Posted on 2016-01-05 by Ady TZIDON (No Solution Yet, 3 Comments) Twenty deposits (in Just Math) Rating: 3.00 Posted on 2016-01-04 by Ady TZIDON (No Solution Yet, 4 Comments) Peaceful superqueens (in General) Posted on 2015-12-31 by Ady TZIDON (No Solution Yet, 2 Comments) A five letter word (in Word Problems) Posted on 2015-12-28 by Ady TZIDON (No Solution Yet, 6 Comments) From pie to numbers (in Numbers) Posted on 2015-12-27 by Ady TZIDON (No Solution Yet, 14 Comments) Ten cities (in Cryptography) Posted on 2015-12-24 by Ady TZIDON (Solution Posted, 1 Comments) Run away (in Games) Rating: 3.00 Posted on 2015-12-22 by Ady TZIDON (No Solution Yet, 3 Comments) 5-2=1 (in Word Problems) Posted on 2015-12-21 by Ady TZIDON (No Solution Yet, 5 Comments) 80 (in Numbers) Posted on 2015-12-19 by Ady TZIDON (No Solution Yet, 3 Comments) Who said it? (in General) Posted on 2015-12-18 by Ady TZIDON (No Solution Yet, 2 Comments) Some sequences! (in Sequences) Posted on 2015-12-18 by Ady TZIDON (Solution Posted, 1 Comments) The three words (in Word Problems) Posted on 2015-12-17 by Ady TZIDON (Solution Posted, 1 Comments) Who's next (in Sequences) Posted on 2015-12-15 by Ady TZIDON (No Solution Yet, 0 Comments) A peculiar pandigital (in Numbers) Posted on 2015-12-14 by Ady TZIDON (No Solution Yet, 2 Comments) 9-letter word III (in Just Math) Rating: 2.00 Posted on 2015-12-11 by Ady TZIDON (Solution Posted, 8 Comments) Using a standard deck (in Numbers) Posted on 2015-12-11 by Ady TZIDON (No Solution Yet, 2 Comments) A peculiar triangular number (in Numbers) Posted on 2015-12-10 by Ady TZIDON (No Solution Yet, 2 Comments) Hold your horses (in General) Rating: 5.00 Posted on 2015-12-09 by Ady TZIDON (No Solution Yet, 3 Comments) Show me the moNey (in Numbers) Rating: 3.00 Posted on 2015-12-08 by Ady TZIDON (No Solution Yet, 3 Comments) A special short-list (in Numbers) Posted on 2015-12-08 by Ady TZIDON (No Solution Yet, 3 Comments) Reversible hours (in Shapes) Rating: 3.00 Posted on 2015-12-07 by Ady TZIDON (No Solution Yet, 4 Comments) List of pairs (in Just Math) Posted on 2015-12-04 by Ady TZIDON (No Solution Yet, 2 Comments) Variety of divisors (in Numbers) Posted on 2015-12-03 by Ady TZIDON (No Solution Yet, 3 Comments) Simple conclusion (in Just Math) Posted on 2015-12-02 by Ady TZIDON (No Solution Yet, 1 Comments) Get the right product (in Just Math) Posted on 2015-12-01 by Ady TZIDON (No Solution Yet, 5 Comments) Daylight Saving (in Cryptography) Posted on 2015-12-01 by Ady TZIDON (No Solution Yet, 4 Comments) Increasing sequences (in Just Math) Posted on 2015-11-30 by Ady TZIDON (No Solution Yet, 3 Comments) No primes here (in Sequences) Rating: 5.00 Posted on 2015-11-30 by Ady TZIDON (No Solution Yet, 2 Comments) Table's peculiarity (in Just Math) Posted on 2015-11-29 by Ady TZIDON (No Solution Yet, 6 Comments) Coin contest (in Games) Rating: 5.00 Posted on 2015-11-27 by Ady TZIDON (No Solution Yet, 5 Comments) Straightedge only (in Geometry) Posted on 2015-11-26 by Ady TZIDON (No Solution Yet, 1 Comments) Wise Russell (in Tricks) Rating: 5.00 Posted on 2015-11-24 by Ady TZIDON (No Solution Yet, 1 Comments) Biggest and smallest (in Just Math) Posted on 2015-11-24 by Ady TZIDON (No Solution Yet, 2 Comments) AINS (in Word Problems) Posted on 2015-11-23 by Ady TZIDON (Solution Posted, 3 Comments) Generalizing II (in Sequences) Rating: 4.00 Posted on 2015-11-20 by Ady TZIDON (No Solution Yet, 2 Comments) Counting correctly (in Numbers) Posted on 2015-11-19 by Ady TZIDON (No Solution Yet, 3 Comments) If you go (in Numbers) Posted on 2015-11-18 by Ady TZIDON (No Solution Yet, 2 Comments) Sum of powers (in Numbers) Posted on 2015-11-18 by Ady TZIDON (No Solution Yet, 3 Comments) Upgrading procedure (in Just Math) Posted on 2015-11-17 by Ady TZIDON (No Solution Yet, 1 Comments) Italiano vero (in Just Math) Rating: 3.00 Posted on 2015-11-16 by Ady TZIDON (Solution Posted, 3 Comments) Cryptajoke XII (in Cryptography) Rating: 4.50 Posted on 2015-11-16 by Ady TZIDON (No Solution Yet, 2 Comments) 9-letter word II (in Sequences) Posted on 2015-11-13 by Ady TZIDON (No Solution Yet, 1 Comments) 6 or less liars (in Liars and Knights) Rating: 2.00 Posted on 2015-11-13 by Ady TZIDON (Solution Posted, 16 Comments) 3c+2v (in Word Problems) Posted on 2015-11-12 by Ady TZIDON (No Solution Yet, 3 Comments) Two sisters (in Famous Riddles) Posted on 2015-11-12 by Ady TZIDON (Solution Posted, 2 Comments) Count the palindromes (in Just Math) Posted on 2015-11-11 by Ady TZIDON (No Solution Yet, 7 Comments) Wise saw (in General) Posted on 2015-11-10 by Ady TZIDON (Solution Posted, 3 Comments) Tiling and counting (in Numbers) Posted on 2015-11-10 by Ady TZIDON (Solution Posted, 2 Comments) ….to skin a cat (in Logic) Posted on 2015-11-09 by Ady TZIDON (No Solution Yet, 5 Comments) Cryptajoke XI (in Cryptography) Posted on 2015-11-09 by Ady TZIDON (No Solution Yet, 1 Comments) Triangle's bisector theorem (in Geometry) Posted on 2015-11-07 by Ady TZIDON (No Solution Yet, 2 Comments) Cons and vows (in Word Problems) Posted on 2015-11-06 by Ady TZIDON (No Solution Yet, 6 Comments) Four factors (in Just Math) Posted on 2015-11-06 by Ady TZIDON (No Solution Yet, 2 Comments) Matching pairs II (in Word Problems) Rating: 2.00 Posted on 2015-11-05 by Ady TZIDON (No Solution Yet, 3 Comments) Zero mod 3 (in Just Math) Posted on 2015-11-04 by Ady TZIDON (No Solution Yet, 1 Comments) 10 4 7 10 (in Just Math) Posted on 2015-11-03 by Ady TZIDON (No Solution Yet, 2 Comments) Seven numbers for seven words (in Cryptography) Posted on 2015-11-02 by Ady TZIDON (Solution Posted, 1 Comments) Prediction (in Tricks) Posted on 2015-11-02 by Ady TZIDON (No Solution Yet, 2 Comments) Incredible, but solvable (in Just Math) Posted on 2015-10-30 by Ady TZIDON (No Solution Yet, 11 Comments) A plural of a plural (in Word Problems) Rating: 5.00 Posted on 2015-10-30 by Ady TZIDON (Solution Posted, 5 Comments) No peace (in Word Problems) Posted on 2015-10-29 by Ady TZIDON (No Solution Yet, 4 Comments) Make up your mind (in Word Problems) Posted on 2015-10-28 by Ady TZIDON (No Solution Yet, 1 Comments) A canonical representation (in Just Math) Posted on 2015-10-27 by Ady TZIDON (No Solution Yet, 0 Comments) Magic matrix (in Just Math) Posted on 2015-10-26 by Ady TZIDON (No Solution Yet, 1 Comments) Tacit series (in Sequences) Posted on 2015-10-23 by Ady TZIDON (Solution Posted, 2 Comments) Must differ by 3 (in Just Math) Posted on 2015-10-23 by Ady TZIDON (No Solution Yet, 3 Comments) Extend the list (in Word Problems) Posted on 2015-10-22 by Ady TZIDON (No Solution Yet, 2 Comments) n-digit ... n-th power (in Numbers) Posted on 2015-10-20 by Ady TZIDON (No Solution Yet, 2 Comments) Factorials & factorions (in Numbers) Rating: 5.00 Posted on 2015-10-19 by Ady TZIDON (No Solution Yet, 2 Comments) Will you find it? (in Cryptography) Posted on 2015-10-19 by Ady TZIDON (Solution Posted, 2 Comments) Generalizing (in Geometry) Posted on 2015-10-16 by Ady TZIDON (No Solution Yet, 2 Comments) Fly's schedule (in Just Math) Posted on 2015-10-15 by Ady TZIDON (No Solution Yet, 1 Comments) Same digits - 3 cubes (in Numbers) Posted on 2015-10-14 by Ady TZIDON (No Solution Yet, 1 Comments) Count them correctly (in Numbers) Posted on 2015-10-12 by Ady TZIDON (No Solution Yet, 2 Comments) 8 digit rhyme (in Cryptography) Posted on 2015-10-08 by Ady TZIDON (No Solution Yet, 1 Comments) Cryptajoke X (in Just Math) Posted on 2015-10-06 by Ady TZIDON (Solution Posted, 0 Comments) Probability of constant leading (in Probability) Posted on 2015-10-05 by Ady TZIDON (Solution Posted, 5 Comments) Wise and nice (in Word Problems) Posted on 2015-10-05 by Ady TZIDON (No Solution Yet, 3 Comments) All are... (in Word Problems) Rating: 1.00 Posted on 2015-10-02 by Ady TZIDON (No Solution Yet, 4 Comments) Permutations count (in Numbers) Rating: 3.00 Posted on 2015-10-01 by Ady TZIDON (Solution Posted, 10 Comments) Nine forever (in Just Math) Rating: 4.00 Posted on 2015-09-30 by Ady TZIDON (No Solution Yet, 2 Comments) Get 010101 (in Logic) Rating: 3.00 Posted on 2015-09-30 by Ady TZIDON (No Solution Yet, 2 Comments) Missing members (in Sequences) Posted on 2015-09-29 by Ady TZIDON (No Solution Yet, 0 Comments) Black and white socks (in Probability) Posted on 2015-09-29 by Ady TZIDON (No Solution Yet, 8 Comments) Cryptajoke IX (in Cryptography) Posted on 2015-09-28 by Ady TZIDON (Solution Posted, 2 Comments) 9-letter word (in Numbers) Posted on 2015-09-25 by Ady TZIDON (Solution Posted, 6 Comments) Families (in General) Rating: 3.00 Posted on 2015-09-25 by Ady TZIDON (No Solution Yet, 4 Comments) Quit as a winner (in Games) Rating: 5.00 Posted on 2015-09-24 by Ady TZIDON (No Solution Yet, 8 Comments) Cheryl's b-day (in Logic) Posted on 2015-09-24 by Ady TZIDON (Solution Posted, 2 Comments) Three brothers (in Just Math) Posted on 2015-09-23 by Ady TZIDON (Solution Posted, 1 Comments) Hexakosioihexekontahexaphobia (in General) Posted on 2015-09-22 by Ady TZIDON (Solution Posted, 3 Comments) a KISS question (in Probability) Posted on 2015-09-21 by Ady TZIDON (Solution Posted, 1 Comments) 2 easy cryptajokes (VIII) (in Cryptography) Posted on 2015-09-18 by Ady TZIDON (Solution Posted, 3 Comments) Some definite results (in Numbers) Posted on 2015-09-17 by Ady TZIDON (Solution Posted, 5 Comments) Check divisibility (in Numbers) Posted on 2015-09-16 by Ady TZIDON (Solution Posted, 5 Comments) The golden ratio (in Just Math) Rating: 4.00 Posted on 2015-09-16 by Ady TZIDON (Solution Posted, 6 Comments) Three clever monsters (in Numbers) Posted on 2015-09-15 by Ady TZIDON (Solution Posted, 1 Comments) Coordinating arrival (in Just Math) Posted on 2015-09-15 by Ady TZIDON (Solution Posted, 2 Comments) C reverses into F (in Numbers) Rating: 1.00 Posted on 2015-09-14 by Ady TZIDON (No Solution Yet, 10 Comments) Alphamagic square (in Numbers) Posted on 2015-09-11 by Ady TZIDON (Solution Posted, 0 Comments) Fair? (in Games) Rating: 4.50 Posted on 2015-09-10 by Ady TZIDON (No Solution Yet, 10 Comments) Talk to me (in Just Math) Posted on 2015-09-10 by Ady TZIDON (No Solution Yet, 1 Comments) One-liners (in General) Posted on 2015-09-09 by Ady TZIDON (Solution Posted, 4 Comments) Believe it or not (in Word Problems) Rating: 3.00 Posted on 2015-09-08 by Ady TZIDON (Solution Posted, 1 Comments) Three-syllable word (in Tricks) Posted on 2015-09-07 by Ady TZIDON (No Solution Yet, 3 Comments) Surprising answer II (in Numbers) Rating: 4.00 Posted on 2015-09-04 by Ady TZIDON (No Solution Yet, 1 Comments) Six countries (in General) Posted on 2015-09-04 by Ady TZIDON (No Solution Yet, 8 Comments) Surprising answer (in Probability) Posted on 2015-09-02 by Ady TZIDON (No Solution Yet, 6 Comments) Muchos idiomas (in Word Problems) Posted on 2015-09-01 by Ady TZIDON (No Solution Yet, 1 Comments) Cryptajoke VII (in Word Problems) Posted on 2015-08-31 by Ady TZIDON (Solution Posted, 2 Comments) A Fibo quadruplet (in Numbers) Posted on 2015-08-28 by Ady TZIDON (No Solution Yet, 1 Comments) Be fruitful and multiply. (in Numbers) Rating: 3.00 Posted on 2015-08-27 by Ady TZIDON (No Solution Yet, 1 Comments) What am I ? (in Riddles) Posted on 2015-08-27 by Ady TZIDON (No Solution Yet, 1 Comments) Only 2 answers (in Numbers) Posted on 2015-08-26 by Ady TZIDON (No Solution Yet, 3 Comments) Hockey pucks (in Logic) Posted on 2015-08-25 by Ady TZIDON (No Solution Yet, 1 Comments) Explain it (in Word Problems) Rating: 3.00 Posted on 2015-08-25 by Ady TZIDON (Solution Posted, 1 Comments) British wit (in General) Posted on 2015-08-24 by Ady TZIDON (Solution Posted, 1 Comments) Equal differences (in Numbers) Posted on 2015-08-23 by Ady TZIDON (No Solution Yet, 1 Comments) Three coins (in Probability) Rating: 2.00 Posted on 2015-08-20 by Ady TZIDON (Solution Posted, 10 Comments) Visit USA (in General) Posted on 2015-08-20 by Ady TZIDON (No Solution Yet, 9 Comments) A self-working card trick (in Tricks) Posted on 2015-08-19 by Ady TZIDON (No Solution Yet, 1 Comments) This or that? (in Probability) Rating: 4.00 Posted on 2015-08-19 by Ady TZIDON (Solution Posted, 4 Comments) Divide et impera (in Numbers) Posted on 2015-08-18 by Ady TZIDON (Solution Posted, 2 Comments) Ez & true (in Riddles) Posted on 2015-08-17 by Ady TZIDON (Solution Posted, 1 Comments) Eight efficient blacksmiths (in Just Math) Posted on 2015-08-13 by Ady TZIDON (Solution Posted, 4 Comments) Wisecracks (in Word Problems) Posted on 2015-08-12 by Ady TZIDON (No Solution Yet, 0 Comments) Oddday (in Numbers) Rating: 5.00 Posted on 2015-08-10 by Ady TZIDON (No Solution Yet, 4 Comments) Clever counting (in Numbers) Posted on 2015-08-07 by Ady TZIDON (No Solution Yet, 6 Comments) Largest pandigital prime. (in Numbers) Posted on 2015-08-07 by Ady TZIDON (No Solution Yet, 1 Comments) A ruler (in Word Problems) Posted on 2015-08-05 by Ady TZIDON (Solution Posted, 2 Comments) Consonants galore (in Word Problems) Posted on 2015-08-04 by Ady TZIDON (Solution Posted, 3 Comments) Around chicken (in Word Problems) Posted on 2015-08-03 by Ady TZIDON (Solution Posted, 1 Comments) 26 letters needed (in Word Problems) Posted on 2015-07-31 by Ady TZIDON (No Solution Yet, 1 Comments) You make me laugh (in Numbers) Posted on 2015-07-28 by Ady TZIDON (Solution Posted, 2 Comments) Pythagorean triplet generator (in Numbers) Rating: 5.00 Posted on 2015-07-28 by Ady TZIDON (No Solution Yet, 1 Comments) No letters (in Cryptography) Posted on 2015-07-27 by Ady TZIDON (Solution Posted, 2 Comments) Matching pairs (in Numbers) Rating: 5.00 Posted on 2015-07-24 by Ady TZIDON (Solution Posted, 1 Comments) What's in a name? (in Word Problems) Posted on 2015-07-23 by Ady TZIDON (Solution Posted, 3 Comments) Nine trolls (in Just Math) Rating: 4.00 Posted on 2015-07-23 by Ady TZIDON (No Solution Yet, 9 Comments) One of the countries (in Word Problems) Posted on 2015-07-22 by Ady TZIDON (No Solution Yet, 2 Comments) My travel II.....CIAO! (in General) Posted on 2015-07-20 by Ady TZIDON (No Solution Yet, 1 Comments) Guessing suit (in Probability) Rating: 4.00 Posted on 2015-07-20 by Ady TZIDON (No Solution Yet, 13 Comments) Picking numbers (in Probability) Posted on 2015-07-17 by Ady TZIDON (Solution Posted, 7 Comments) Pasta wrestling (in Word Problems) Posted on 2015-07-17 by Ady TZIDON (No Solution Yet, 1 Comments) What is perplexus? (in Numbers) Posted on 2015-07-16 by Ady TZIDON (Solution Posted, 3 Comments) Pieces of eight (in Just Math) Posted on 2015-07-15 by Ady TZIDON (No Solution Yet, 2 Comments) Getting the right count (in Numbers) Rating: 3.00 Posted on 2015-07-14 by Ady TZIDON (No Solution Yet, 1 Comments) Something is "some night" (in Word Problems) Posted on 2015-07-13 by Ady TZIDON (No Solution Yet, 1 Comments) A radical question (in General) Posted on 2015-07-08 by Ady TZIDON (No Solution Yet, 4 Comments) 8 (or more) states (in General) Posted on 2015-07-07 by Ady TZIDON (No Solution Yet, 1 Comments) From ab to yz (in Word Problems) Posted on 2015-07-06 by Ady TZIDON (No Solution Yet, 5 Comments) Past persons (in Word Problems) Posted on 2015-07-06 by Ady TZIDON (Solution Posted, 3 Comments) Primary problem III (in Numbers) Rating: 5.00 Posted on 2015-07-03 by Ady TZIDON (No Solution Yet, 2 Comments) Quite a triplet (in Numbers) Posted on 2015-07-02 by Ady TZIDON (No Solution Yet, 10 Comments) Chinatown's problem (in Numbers) Posted on 2015-07-02 by Ady TZIDON (No Solution Yet, 3 Comments) The enigmatic one (in Sequences) Posted on 2015-06-30 by Ady TZIDON (Solution Posted, 1 Comments) Just give it a trial (in General) Rating: 3.00 Posted on 2015-06-26 by Ady TZIDON (Solution Posted, 3 Comments) Factorial creates prime (in Numbers) Posted on 2015-06-26 by Ady TZIDON (No Solution Yet, 4 Comments) It is not 8^5 (in Numbers) Rating: 5.00 Posted on 2015-06-24 by Ady TZIDON (Solution Posted, 3 Comments) Put up or shut up (in Word Problems) Posted on 2015-06-23 by Ady TZIDON (No Solution Yet, 5 Comments) Find the lowest n (in Numbers) Posted on 2015-06-22 by Ady TZIDON (No Solution Yet, 4 Comments) 3 primes (in Numbers) Posted on 2015-06-22 by Ady TZIDON (No Solution Yet, 2 Comments) Taxation (in Numbers) Rating: 4.00 Posted on 2015-06-19 by Ady TZIDON (No Solution Yet, 1 Comments) 7 idiomatic phrases (in Word Problems) Posted on 2015-06-17 by Ady TZIDON (Solution Posted, 2 Comments) One triplet out (in Numbers) Posted on 2015-06-16 by Ady TZIDON (No Solution Yet, 3 Comments) On his way to fitness (in Just Math) Posted on 2015-06-15 by Ady TZIDON (No Solution Yet, 10 Comments) p^10 is special (in Numbers) Posted on 2015-06-12 by Ady TZIDON (No Solution Yet, 1 Comments) It sounds Greek to me (in General) Rating: 5.00 Posted on 2015-06-11 by Ady TZIDON (No Solution Yet, 3 Comments) No direct evaluation (in Numbers) Posted on 2015-06-09 by Ady TZIDON (No Solution Yet, 4 Comments) A chain of five (in Word Problems) Posted on 2015-06-08 by Ady TZIDON (No Solution Yet, 2 Comments) 5 76993 408621 (in Numbers) Rating: 5.00 Posted on 2015-06-04 by Ady TZIDON (Solution Posted, 3 Comments) 1270 *899 (in General) Posted on 2015-06-02 by Ady TZIDON (No Solution Yet, 0 Comments) All that glitters (in Numbers) Posted on 2015-05-31 by Ady TZIDON (No Solution Yet, 1 Comments) Just vowels (in General) Posted on 2015-05-29 by Ady TZIDON (Solution Posted, 9 Comments) What property? (in Shapes) Posted on 2015-05-28 by Ady TZIDON (Solution Posted, 4 Comments) Chacun pense à soi (in Just Math) Posted on 2015-05-26 by Ady TZIDON (Solution Posted, 3 Comments) Tax Collector (in Games) Posted on 2015-05-26 by Ady TZIDON (Solution Posted, 6 Comments) No neighbors allowed (in Numbers) Posted on 2015-05-22 by Ady TZIDON (Solution Posted, 2 Comments) One, two, eight etc (in Numbers) Posted on 2015-05-22 by Ady TZIDON (Solution Posted, 2 Comments) Back to throne (in Probability) Posted on 2015-05-21 by Ady TZIDON (Solution Posted, 3 Comments) Powered s.o.d. (in Numbers) Rating: 3.00 Posted on 2015-05-20 by Ady TZIDON (No Solution Yet, 2 Comments) In a bar (in Logic) Posted on 2015-05-19 by Ady TZIDON (No Solution Yet, 2 Comments) 7G vs 7B (in General) Posted on 2015-05-18 by Ady TZIDON (No Solution Yet, 2 Comments) A sequence or not a sequence? (in Logic) Posted on 2015-05-18 by Ady TZIDON (Solution Posted, 3 Comments) Euler on trial (in Numbers) Posted on 2015-05-14 by Ady TZIDON (No Solution Yet, 4 Comments) BOW, WRENCH (in Word Problems) Posted on 2015-05-14 by Ady TZIDON (No Solution Yet, 2 Comments) 112233....99 scrambled (in Numbers) Posted on 2015-05-13 by Ady TZIDON (No Solution Yet, 2 Comments) How far can you go? (in Numbers) Posted on 2015-05-12 by Ady TZIDON (No Solution Yet, 6 Comments) A Quickie, not tricky (in Numbers) Posted on 2015-05-11 by Ady TZIDON (No Solution Yet, 6 Comments) Short advice (in Cryptography) Posted on 2015-05-08 by Ady TZIDON (No Solution Yet, 6 Comments) Cabbagehead’s neighbors (in Word Problems) Posted on 2015-05-08 by Ady TZIDON (No Solution Yet, 3 Comments) Rhyme time (in Word Problems) Rating: 5.00 Posted on 2015-05-07 by Ady TZIDON (Solution Posted, 6 Comments) 4 primes (in Numbers) Posted on 2015-05-06 by Ady TZIDON (Solution Posted, 3 Comments) Printer's glitch (in Just Math) Posted on 2015-05-05 by Ady TZIDON (No Solution Yet, 4 Comments) My friend (in Cryptography) Posted on 2015-05-05 by Ady TZIDON (No Solution Yet, 2 Comments) Poor primes (in Numbers) Posted on 2015-05-04 by Ady TZIDON (No Solution Yet, 1 Comments) Equality in pentagon (in Geometry) Rating: 3.00 Posted on 2015-05-03 by Ady TZIDON (No Solution Yet, 1 Comments) Catch as you catch can (in Numbers) Posted on 2015-05-01 by Ady TZIDON (No Solution Yet, 2 Comments) Words with tripled letters (in Word Problems) Posted on 2015-04-30 by Ady TZIDON (Solution Posted, 1 Comments) Cryptajoke V (in Cryptography) Rating: 3.00 Posted on 2015-04-30 by Ady TZIDON (Solution Posted, 2 Comments) Odd men out (in Logic) Posted on 2015-04-29 by Ady TZIDON (No Solution Yet, 6 Comments) From E to D (in Logic) Posted on 2015-04-28 by Ady TZIDON (Solution Posted, 4 Comments) Largest palindrome (in Numbers) Posted on 2015-04-27 by Ady TZIDON (No Solution Yet, 4 Comments) Is it possible? (in Famous Riddles) Rating: 4.00 Posted on 2015-04-27 by Ady TZIDON (No Solution Yet, 1 Comments) Not solvable by computer (?) (in Word Problems) Posted on 2015-04-24 by Ady TZIDON (No Solution Yet, 5 Comments) Three's a company (in General) Posted on 2015-04-23 by Ady TZIDON (Solution Posted, 7 Comments) XX=? (in General) Posted on 2015-04-22 by Ady TZIDON (No Solution Yet, 2 Comments) Geographic entities (in General) Posted on 2015-04-20 by Ady TZIDON (No Solution Yet, 3 Comments) N as a sum of factorials (in Just Math) Posted on 2015-04-20 by Ady TZIDON (No Solution Yet, 1 Comments) Some powers decomposed (in Numbers) Posted on 2015-04-16 by Ady TZIDON (No Solution Yet, 5 Comments) Name the location (in Word Problems) Posted on 2015-04-16 by Ady TZIDON (Solution Posted, 1 Comments) Famous movie quotations (in General) Posted on 2015-04-14 by Ady TZIDON (No Solution Yet, 4 Comments) So what? (in General) Posted on 2015-04-13 by Ady TZIDON (No Solution Yet, 5 Comments) Long chain (in Numbers) Posted on 2015-04-10 by Ady TZIDON (Solution Posted, 7 Comments) From product to town (in Word Problems) Posted on 2015-04-10 by Ady TZIDON (Solution Posted, 2 Comments) Some sums (in Numbers) Posted on 2015-04-07 by Ady TZIDON (Solution Posted, 3 Comments) Roman palindrome (in Numbers) Posted on 2015-04-07 by Ady TZIDON (Solution Posted, 3 Comments) Long-life recipe (in Logic) Posted on 2015-04-06 by Ady TZIDON (Solution Posted, 1 Comments) Vive la petite différence! (in Paradoxes) Posted on 2015-04-06 by Ady TZIDON (No Solution Yet, 3 Comments) General advice (in Cryptography) Posted on 2015-04-03 by Ady TZIDON (Solution Posted, 3 Comments) Buddy, can you spare a buck? (in Numbers) Posted on 2015-04-03 by Ady TZIDON (No Solution Yet, 3 Comments) 27-8=19 (in Just Math) Posted on 2015-03-31 by Ady TZIDON (Solution Posted, 2 Comments) How many solutions? (in Just Math) Posted on 2015-03-30 by Ady TZIDON (No Solution Yet, 1 Comments) Oxymora galore (in Word Problems) Rating: 5.00 Posted on 2015-03-27 by Ady TZIDON (Solution Posted, 1 Comments) Animal to animal (in Word Problems) Posted on 2015-03-27 by Ady TZIDON (Solution Posted, 2 Comments) Neighboring tickets (in Numbers) Posted on 2015-03-26 by Ady TZIDON (No Solution Yet, 2 Comments) Win some, lose some II (in Just Math) Posted on 2015-03-25 by Ady TZIDON (No Solution Yet, 1 Comments) Long list (in Word Problems) Posted on 2015-03-24 by Ady TZIDON (No Solution Yet, 2 Comments) A State of Contradictions (in Word Problems) Posted on 2015-03-24 by Ady TZIDON (No Solution Yet, 2 Comments) Growing fast (in Numbers) Posted on 2015-03-23 by Ady TZIDON (No Solution Yet, 4 Comments) Phrase a question III (in Word Problems) Posted on 2015-03-23 by Ady TZIDON (No Solution Yet, 1 Comments) A walking contradiction (in Word Problems) Posted on 2015-03-20 by Ady TZIDON (Solution Posted, 1 Comments) 123456789 scrambled (in Numbers) Posted on 2015-03-19 by Ady TZIDON (No Solution Yet, 6 Comments) +Q-U : Quite Unusual (in Word Problems) Posted on 2015-03-17 by Ady TZIDON (No Solution Yet, 2 Comments) A Quickie (in Numbers) Posted on 2015-03-13 by Ady TZIDON (No Solution Yet, 1 Comments) Location, location, location (in Geometry) Posted on 2015-03-12 by Ady TZIDON (No Solution Yet, 8 Comments) Squeeze between neighbors (in Numbers) Posted on 2015-03-11 by Ady TZIDON (No Solution Yet, 1 Comments) 3 sets of primes (in Numbers) Posted on 2015-03-08 by Ady TZIDON (Solution Posted, 1 Comments) Cryptajoke IV (in Logic) Posted on 2015-03-06 by Ady TZIDON (Solution Posted, 1 Comments) Find the last member (in Sequences) Posted on 2015-03-05 by Ady TZIDON (No Solution Yet, 1 Comments) Contradict Goldbach (in Numbers) Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 2 Comments) Phrase a question II (in Numbers) Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 2 Comments) Back to the Bard (in Cryptography) Posted on 2015-02-27 by Ady TZIDON (No Solution Yet, 2 Comments) Academia, defeated, yesterday (in Word Problems) Posted on 2015-02-26 by Ady TZIDON (Solution Posted, 6 Comments) Next year vs the current year (in Numbers) Posted on 2015-02-25 by Ady TZIDON (No Solution Yet, 5 Comments) No other case (in Just Math) Posted on 2015-02-24 by Ady TZIDON (No Solution Yet, 2 Comments) Cryptajoke III (in Logic) Rating: 4.00 Posted on 2015-02-23 by Ady TZIDON (Solution Posted, 3 Comments) Be consistent (in Numbers) Rating: 5.00 Posted on 2015-02-20 by Ady TZIDON (No Solution Yet, 3 Comments) Not too much (in Numbers) Posted on 2015-02-20 by Ady TZIDON (No Solution Yet, 8 Comments) A modified die (in Numbers) Posted on 2015-02-18 by Ady TZIDON (No Solution Yet, 3 Comments) The final quantity (in Numbers) Posted on 2015-02-18 by Ady TZIDON (No Solution Yet, 4 Comments) z is a word (in Word Problems) Posted on 2015-02-17 by Ady TZIDON (No Solution Yet, 1 Comments) Phrase a question I (in Numbers) Posted on 2015-02-16 by Ady TZIDON (No Solution Yet, 2 Comments) An ancient Egyptian problem (in Just Math) Posted on 2015-02-13 by Ady TZIDON (No Solution Yet, 5 Comments) Bound the product (in Numbers) Posted on 2015-02-13 by Ady TZIDON (No Solution Yet, 4 Comments) Is it easy? (in Cryptography) Posted on 2015-02-12 by Ady TZIDON (Solution Posted, 2 Comments) Possibility of restoring (in Just Math) Rating: 3.00 Posted on 2015-02-10 by Ady TZIDON (No Solution Yet, 1 Comments) A simple gematria (in Numbers) Rating: 5.00 Posted on 2015-02-09 by Ady TZIDON (No Solution Yet, 3 Comments) Minding mines. (in Just Math) Posted on 2015-02-07 by Ady TZIDON (No Solution Yet, 1 Comments) Some special sums (in Numbers) Posted on 2015-02-05 by Ady TZIDON (No Solution Yet, 4 Comments) Mr Mar & Mrs Bles (in Numbers) Posted on 2015-02-04 by Ady TZIDON (No Solution Yet, 1 Comments) Quite a normal question (in Riddles) Rating: 5.00 Posted on 2015-02-02 by Ady TZIDON (No Solution Yet, 2 Comments) Hat #10 (in Word Problems) Posted on 2015-01-27 by Ady TZIDON (Solution Posted, 4 Comments) Observe and prove (in Just Math) Posted on 2015-01-26 by Ady TZIDON (No Solution Yet, 1 Comments) Eliot Ness meets Paul ErdÅ‘s (in Numbers) Posted on 2015-01-23 by Ady TZIDON (No Solution Yet, 3 Comments) What price glory? (in Games) Posted on 2015-01-22 by Ady TZIDON (No Solution Yet, 5 Comments) Not hehe (in Word Problems) Posted on 2015-01-21 by Ady TZIDON (No Solution Yet, 5 Comments) Occam's Razor (in Logic) Posted on 2015-01-19 by Ady TZIDON (No Solution Yet, 0 Comments) 4 clues (in Numbers) Posted on 2015-01-19 by Ady TZIDON (No Solution Yet, 3 Comments) Possible or not? (in Just Math) Rating: 4.00 Posted on 2015-01-17 by Ady TZIDON (No Solution Yet, 6 Comments) Three conditions define a triplet (in Just Math) Posted on 2015-01-14 by Ady TZIDON (No Solution Yet, 2 Comments) T times T creates another T?? (in Just Math) Rating: 4.00 Posted on 2015-01-11 by Ady TZIDON (Solution Posted, 8 Comments) A Cryptajoke III (in Cryptography) Posted on 2015-01-09 by Ady TZIDON (Solution Posted, 1 Comments) Next one(s), please (in Sequences) Rating: 4.00 Posted on 2015-01-08 by Ady TZIDON (No Solution Yet, 2 Comments) Cows and buffaloes. (in Just Math) Rating: 3.00 Posted on 2015-01-07 by Ady TZIDON (Solution Posted, 2 Comments) More than a million, less than ten (in Just Math) Posted on 2015-01-06 by Ady TZIDON (No Solution Yet, 4 Comments) Dates data distribution (in Just Math) Posted on 2015-01-05 by Ady TZIDON (No Solution Yet, 3 Comments) R.I.P., J.C. (in Logic) Posted on 2015-01-02 by Ady TZIDON (Solution Posted, 4 Comments) 25k if beheaded (in Just Math) Rating: 3.00 Posted on 2015-01-01 by Ady TZIDON (Solution Posted, 3 Comments) A simple inequality (in Just Math) Posted on 2014-12-31 by Ady TZIDON (No Solution Yet, 4 Comments) Neither is prime (in Just Math) Rating: 3.00 Posted on 2014-12-30 by Ady TZIDON (No Solution Yet, 2 Comments) Pentagon's constant (in Geometry) Rating: 4.00 Posted on 2014-12-27 by Ady TZIDON (No Solution Yet, 1 Comments) 4d divides 5d (in Just Math) Rating: 5.00 Posted on 2014-12-26 by Ady TZIDON (Solution Posted, 2 Comments) Marked squares (in Just Math) Posted on 2014-12-24 by Ady TZIDON (Solution Posted, 1 Comments) Count the Liars (in Liars and Knights) Rating: 3.00 Posted on 2014-12-23 by Ady TZIDON (Solution Posted, 6 Comments) The medians of medians (in Just Math) Rating: 4.00 Posted on 2014-12-20 by Ady TZIDON (Solution Posted, 6 Comments) Compare sizes (in Just Math) Posted on 2014-12-18 by Ady TZIDON (Solution Posted, 3 Comments) m & n (in Just Math) Posted on 2014-12-18 by Ady TZIDON (No Solution Yet, 2 Comments) Solve in integers (in Just Math) Posted on 2014-12-17 by Ady TZIDON (No Solution Yet, 3 Comments) Cash and chit (in General) Posted on 2014-12-15 by Ady TZIDON (No Solution Yet, 1 Comments) Tic-tac-toe related (in Logic) Rating: 2.00 Posted on 2014-12-12 by Ady TZIDON (No Solution Yet, 2 Comments) Which is which (in Cryptography) Rating: 4.00 Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 9 Comments) Eight distances (in Just Math) Rating: 4.00 Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 4 Comments) Out of this word (in Word Problems) Posted on 2014-12-08 by Ady TZIDON (No Solution Yet, 9 Comments) Going North-East (in Just Math) Posted on 2014-12-05 by Ady TZIDON (No Solution Yet, 4 Comments) Test #7 (in Word Problems) Posted on 2014-12-03 by Ady TZIDON (Solution Posted, 7 Comments) What not? (in General) Posted on 2014-12-01 by Ady TZIDON (No Solution Yet, 4 Comments) Extraordinaire (in General) Rating: 2.33 Posted on 2014-11-25 by Ady TZIDON (No Solution Yet, 8 Comments) A cryptic toast (in Cryptography) Posted on 2014-11-24 by Ady TZIDON (Solution Posted, 1 Comments) Two cities + (in Cryptography) Posted on 2014-11-21 by Ady TZIDON (No Solution Yet, 8 Comments) A symmetric relation (in Just Math) Posted on 2014-11-19 by Ady TZIDON (Solution Posted, 5 Comments) Just a tiny addition (in Just Math) Posted on 2014-11-18 by Ady TZIDON (Solution Posted, 5 Comments) Missions impossible (in Just Math) Posted on 2014-11-17 by Ady TZIDON (No Solution Yet, 3 Comments) Well said (in General) Posted on 2014-11-17 by Ady TZIDON (Solution Posted, 2 Comments) An aSCending SCale (in Word Problems) Posted on 2014-11-14 by Ady TZIDON (Solution Posted, 7 Comments) My numbers (in Numbers) Rating: 3.00 Posted on 2014-11-14 by Ady TZIDON (Solution Posted, 3 Comments) Austria or Italy ? (in Just Math) Posted on 2014-11-11 by Ady TZIDON (No Solution Yet, 1 Comments) Balancing weights (in Weights and Scales) Rating: 3.00 Posted on 2014-11-06 by Ady TZIDON (No Solution Yet, 2 Comments) Win some, lose some (in Logic) Rating: 1.00 Posted on 2014-11-03 by Ady TZIDON (Solution Posted, 1 Comments) Fridays (in Numbers) Posted on 2014-11-03 by Ady TZIDON (Solution Posted, 1 Comments) Friendship paradox (in Paradoxes) Rating: 4.00 Posted on 2014-10-31 by Ady TZIDON (No Solution Yet, 4 Comments) Chairs galore (in Just Math) Posted on 2014-10-31 by Ady TZIDON (No Solution Yet, 4 Comments) Angle evaluating (in Geometry) Posted on 2014-10-28 by Ady TZIDON (No Solution Yet, 1 Comments) Analyzing change (in Just Math) Rating: 3.00 Posted on 2014-10-28 by Ady TZIDON (No Solution Yet, 4 Comments) Hat #9 (in Word Problems) Posted on 2014-10-27 by Ady TZIDON (No Solution Yet, 2 Comments) Curious concatenations (in Numbers) Posted on 2014-10-23 by Ady TZIDON (No Solution Yet, 1 Comments) Extending tic-tac-toe (in Just Math) Posted on 2014-10-23 by Ady TZIDON (No Solution Yet, 6 Comments) Beaujolais Nouveau Day (in Probability) Rating: 4.00 Posted on 2014-10-22 by Ady TZIDON (No Solution Yet, 7 Comments) One by two (in Numbers) Rating: 5.00 Posted on 2014-10-22 by Ady TZIDON (Solution Posted, 6 Comments) Distinct Decimal Digits (in Numbers) Posted on 2014-10-21 by Ady TZIDON (No Solution Yet, 1 Comments) Farmer Giles (in Just Math) Posted on 2014-10-21 by Ady TZIDON (No Solution Yet, 4 Comments) What is missing? (in Sequences) Posted on 2014-10-17 by Ady TZIDON (No Solution Yet, 1 Comments) Half odd, half even (in Numbers) Posted on 2014-10-16 by Ady TZIDON (No Solution Yet, 3 Comments) My products (in General) Posted on 2014-10-15 by Ady TZIDON (No Solution Yet, 2 Comments) Open, Sesame! (in Probability) Posted on 2014-10-14 by Ady TZIDON (No Solution Yet, 3 Comments) A versatile number (in Numbers) Rating: 5.00 Posted on 2014-10-13 by Ady TZIDON (No Solution Yet, 6 Comments) Cryptajoke II (in Cryptography) Posted on 2014-10-11 by Ady TZIDON (Solution Posted, 3 Comments) A happy trio (in Probability) Posted on 2014-10-09 by Ady TZIDON (No Solution Yet, 3 Comments) Draw and go (in Probability) Posted on 2014-10-08 by Ady TZIDON (No Solution Yet, 14 Comments) Zeroless or not? (in Probability) Posted on 2014-10-07 by Ady TZIDON (Solution Posted, 1 Comments) Why and when (in General) Posted on 2014-10-01 by Ady TZIDON (No Solution Yet, 1 Comments) Get them up (in Just Math) Rating: 4.00 Posted on 2014-10-01 by Ady TZIDON (No Solution Yet, 5 Comments) Determine divisibility (in Just Math) Posted on 2014-09-29 by Ady TZIDON (Solution Posted, 1 Comments) Only one basic solution II (in General) Posted on 2014-09-26 by Ady TZIDON (Solution Posted, 1 Comments) Fill in (in Sequences) Rating: 5.00 Posted on 2014-09-24 by Ady TZIDON (Solution Posted, 6 Comments) Twelve (!) tribes (?) II (in Word Problems) Posted on 2014-09-23 by Ady TZIDON (Solution Posted, 4 Comments) Max and Min (in Just Math) Posted on 2014-09-22 by Ady TZIDON (Solution Posted, 3 Comments) A Monotonous Menu (in General) Rating: 3.00 Posted on 2014-09-19 by Ady TZIDON (No Solution Yet, 1 Comments) Pick a letter (in Logic) Posted on 2014-09-18 by Ady TZIDON (Solution Posted, 4 Comments) 1 to 8 in 5*5 grid (in Word Problems) Posted on 2014-09-16 by Ady TZIDON (No Solution Yet, 1 Comments) Test #6 (in General) Posted on 2014-09-11 by Ady TZIDON (No Solution Yet, 3 Comments) Comparing weights (in Weights and Scales) Posted on 2014-09-09 by Ady TZIDON (No Solution Yet, 3 Comments) 2 pandigital equations (in Numbers) Posted on 2014-09-05 by Ady TZIDON (No Solution Yet, 4 Comments) Fibo's quickie (in Logic) Rating: 4.00 Posted on 2014-09-03 by Ady TZIDON (Solution Posted, 4 Comments) Hi there, Pascal (in Numbers) Posted on 2014-09-01 by Ady TZIDON (Solution Posted, 2 Comments) Test #5 (in Word Problems) Posted on 2014-08-31 by Ady TZIDON (Solution Posted, 1 Comments) Three tasks (in Just Math) Posted on 2014-08-21 by Ady TZIDON (No Solution Yet, 3 Comments) Crazy clues (in General) Posted on 2014-08-21 by Ady TZIDON (No Solution Yet, 1 Comments) Grandma's age (in Just Math) Rating: 2.00 Posted on 2014-08-20 by Ady TZIDON (No Solution Yet, 8 Comments) Test #4 (in General) Posted on 2014-08-19 by Ady TZIDON (No Solution Yet, 1 Comments) Known to you? (in General) Posted on 2014-08-16 by Ady TZIDON (Solution Posted, 1 Comments) Three subsets (in Just Math) Rating: 5.00 Posted on 2014-08-15 by Ady TZIDON (No Solution Yet, 13 Comments) Test #3 (in General) Posted on 2014-08-13 by Ady TZIDON (No Solution Yet, 0 Comments) Guessing ages (in Tricks) Posted on 2014-08-08 by Ady TZIDON (Solution Posted, 2 Comments) Members' quorum (in Numbers) Posted on 2014-08-07 by Ady TZIDON (No Solution Yet, 1 Comments) Find a Frenzy Fibo (in Numbers) Posted on 2014-08-06 by Ady TZIDON (Solution Posted, 2 Comments) Done? No need? ...UNDO! (in Word Problems) Posted on 2014-08-05 by Ady TZIDON (No Solution Yet, 4 Comments) Test #2 (in General) Posted on 2014-08-04 by Ady TZIDON (No Solution Yet, 1 Comments) Mnemonics (in General) Posted on 2014-08-01 by Ady TZIDON (No Solution Yet, 4 Comments) Easy count (in Just Math) Posted on 2014-07-29 by Ady TZIDON (Solution Posted, 5 Comments) Test #1 (in Numbers) Posted on 2014-07-29 by Ady TZIDON (Solution Posted, 2 Comments) One of a kind (in Just Math) Posted on 2014-07-27 by Ady TZIDON (Solution Posted, 3 Comments) The decisive straw (in Probability) Posted on 2014-07-25 by Ady TZIDON (No Solution Yet, 6 Comments) 3 out of 7 (in Word Problems) Posted on 2014-07-24 by Ady TZIDON (Solution Posted, 1 Comments) Last digit counts (in Numbers) Posted on 2014-07-23 by Ady TZIDON (Solution Posted, 1 Comments) Getting 13 (in Just Math) Rating: 4.00 Posted on 2014-07-21 by Ady TZIDON (Solution Posted, 5 Comments) P,Sq,P (in Numbers) Posted on 2014-07-21 by Ady TZIDON (Solution Posted, 2 Comments) The twelve(!) tribes(?) (in General) Rating: 5.00 Posted on 2014-07-20 by Ady TZIDON (Solution Posted, 3 Comments) Not true (in Numbers) Posted on 2014-07-17 by Ady TZIDON (Solution Posted, 1 Comments) n2m or m2n ? (in Just Math) Posted on 2014-07-16 by Ady TZIDON (No Solution Yet, 6 Comments) Two sensors (in Just Math) Posted on 2014-07-15 by Ady TZIDON (Solution Posted, 2 Comments) Confucius advises (in Word Problems) Posted on 2014-07-14 by Ady TZIDON (Solution Posted, 2 Comments) A periodical fraction (in Numbers) Rating: 1.50 Posted on 2014-07-11 by Ady TZIDON (Solution Posted, 3 Comments) To anagram segments is important,but... (in Cryptography) Posted on 2014-07-10 by Ady TZIDON (Solution Posted, 1 Comments) 3 features (in Numbers) Posted on 2014-07-08 by Ady TZIDON (Solution Posted, 1 Comments) Generating a square (in Just Math) Posted on 2014-07-08 by Ady TZIDON (No Solution Yet, 1 Comments) Cryptajoke I (in Cryptography) Posted on 2014-07-07 by Ady TZIDON (Solution Posted, 1 Comments) Go on, it is easy (in General) Posted on 2014-07-05 by Ady TZIDON (Solution Posted, 1 Comments) Only one basic solution (in Just Math) Posted on 2014-07-02 by Ady TZIDON (Solution Posted, 2 Comments) Neither a borrower nor a lender be, (in Just Math) Posted on 2014-07-01 by Ady TZIDON (Solution Posted, 2 Comments) Next word, please (in Sequences) Posted on 2014-06-30 by Ady TZIDON (Solution Posted, 0 Comments) Some dinner! (in Cryptography) Posted on 2014-06-29 by Ady TZIDON (No Solution Yet, 2 Comments) Leonardo's game (in Games) Posted on 2014-06-27 by Ady TZIDON (No Solution Yet, 3 Comments) Fibo again (in Numbers) Posted on 2014-06-26 by Ady TZIDON (No Solution Yet, 1 Comments) F. to P. generator (in Numbers) Rating: 5.00 Posted on 2014-06-25 by Ady TZIDON (No Solution Yet, 4 Comments) scitemahpla II (in Word Problems) Rating: 2.00 Posted on 2014-06-25 by Ady TZIDON (No Solution Yet, 5 Comments) An enchanted coin (in Probability) Posted on 2014-06-24 by Ady TZIDON (No Solution Yet, 3 Comments) 2+2=4 is true (in Just Math) Posted on 2014-06-22 by Ady TZIDON (No Solution Yet, 2 Comments) 3 more hats II (in General) Posted on 2014-06-20 by Ady TZIDON (No Solution Yet, 2 Comments) Date cubes ENUMERATION (in Sequences) Posted on 2014-06-19 by Ady TZIDON (No Solution Yet, 0 Comments) Three Digit Trial revisited (in Numbers) Rating: 3.50 Posted on 2014-06-17 by Ady TZIDON (Solution Posted, 2 Comments) A simple power (in Just Math) Posted on 2014-06-13 by Ady TZIDON (Solution Posted, 2 Comments) The mad hatter (in Word Problems) Posted on 2014-06-09 by Ady TZIDON (No Solution Yet, 5 Comments) Yankee dollar (in Just Math) Posted on 2014-06-06 by Ady TZIDON (No Solution Yet, 9 Comments) Ways and means (in Tricks) Rating: 1.75 Posted on 2014-06-05 by Ady TZIDON (Solution Posted, 11 Comments) 4 ways (in Sequences) Rating: 4.00 Posted on 2014-06-04 by Ady TZIDON (Solution Posted, 6 Comments) Elementary is easy (in Sequences) Posted on 2014-06-04 by Ady TZIDON (No Solution Yet, 5 Comments) 3 more hats (in General) Posted on 2014-06-02 by Ady TZIDON (Solution Posted, 1 Comments) Ninety nine coins plus one catch (in Weights and Scales) Posted on 2014-06-01 by Ady TZIDON (No Solution Yet, 7 Comments) The pandigital student (in Cryptography) Posted on 2014-05-29 by Ady TZIDON (Solution Posted, 3 Comments) M.A.R. observed: (in Word Problems) Posted on 2014-05-28 by Ady TZIDON (Solution Posted, 3 Comments) Why Haydn ? (in Numbers) Posted on 2014-05-21 by Ady TZIDON (Solution Posted, 2 Comments) The first two hats (in General) Posted on 2014-05-20 by Ady TZIDON (Solution Posted, 1 Comments) A progressive addition (in Numbers) Posted on 2014-05-19 by Ady TZIDON (Solution Posted, 3 Comments) The highest prime (in Numbers) Posted on 2014-05-16 by Ady TZIDON (Solution Posted, 8 Comments) Hard times (in Cryptography) Posted on 2014-05-15 by Ady TZIDON (Solution Posted, 1 Comments) 5 unknown digits (in Numbers) Posted on 2014-05-13 by Ady TZIDON (Solution Posted, 5 Comments) Pandigital concatenations (in Numbers) Posted on 2014-05-10 by Ady TZIDON (Solution Posted, 1 Comments) Not in every dictionary (in Cryptography) Posted on 2014-05-09 by Ady TZIDON (Solution Posted, 3 Comments) NEWS (in Word Problems) Posted on 2014-05-09 by Ady TZIDON (Solution Posted, 3 Comments) Big spenders (in Cryptography) Posted on 2014-05-07 by Ady TZIDON (Solution Posted, 3 Comments) Scitemahpla (in General) Posted on 2014-05-03 by Ady TZIDON (Solution Posted, 16 Comments) Without you (in Numbers) Posted on 2014-04-30 by Ady TZIDON (Solution Posted, 2 Comments) The end of the line (in Cryptography) Posted on 2014-04-29 by Ady TZIDON (Solution Posted, 5 Comments) I / O resolved (in Logic) Rating: 5.00 Posted on 2014-04-28 by Ady TZIDON (Solution Posted, 4 Comments) Whachamacallit? (in Word Problems) Posted on 2014-04-25 by Ady TZIDON (Solution Posted, 1 Comments) Half of 4X4 (in Numbers) Posted on 2014-04-24 by Ady TZIDON (Solution Posted, 5 Comments) Increase or decrease by one (in Numbers) Posted on 2014-04-22 by Ady TZIDON (Solution Posted, 2 Comments) Trivia (in Numbers) Posted on 2014-04-21 by Ady TZIDON (Solution Posted, 7 Comments) Odd numbers (in Numbers) Posted on 2014-04-20 by Ady TZIDON (No Solution Yet, 1 Comments) Neighbors (in Numbers) Posted on 2014-04-18 by Ady TZIDON (Solution Posted, 8 Comments) No way to win (in General) Posted on 2014-04-17 by Ady TZIDON (No Solution Yet, 4 Comments) Mod 3 alphametics (in Just Math) Posted on 2014-04-15 by Ady TZIDON (No Solution Yet, 2 Comments) My phone is 2543663 (in Probability) Rating: 4.00 Posted on 2014-04-15 by Ady TZIDON (No Solution Yet, 5 Comments) Pseudo-FIBO (in Sequences) Posted on 2014-04-14 by Ady TZIDON (No Solution Yet, 5 Comments) The right subset (in Word Problems) Posted on 2014-04-13 by Ady TZIDON (No Solution Yet, 1 Comments) Upside down (OEIS A045573) (in Numbers) Posted on 2014-04-11 by Ady TZIDON (Solution Posted, 6 Comments) A Quicky III (in Numbers) Rating: 5.00 Posted on 2014-04-09 by Ady TZIDON (No Solution Yet, 9 Comments) What digit? (in Numbers) Posted on 2014-04-08 by Ady TZIDON (Solution Posted, 1 Comments) No-primes sequence (in Numbers) Posted on 2014-04-07 by Ady TZIDON (No Solution Yet, 1 Comments) Directly from Lucas (in Sequences) Posted on 2014-04-04 by Ady TZIDON (No Solution Yet, 1 Comments) A Quicky II (in Numbers) Posted on 2014-04-03 by Ady TZIDON (No Solution Yet, 7 Comments) Years & numbers (in Numbers) Posted on 2014-04-02 by Ady TZIDON (Solution Posted, 2 Comments) Integers only (in Sequences) Posted on 2014-03-31 by Ady TZIDON (Solution Posted, 7 Comments) Ternary train (in Just Math) Posted on 2014-03-28 by Ady TZIDON (No Solution Yet, 3 Comments) In or out? (in Probability) Posted on 2014-03-28 by Ady TZIDON (No Solution Yet, 2 Comments) Primes vs ones (in Numbers) Posted on 2014-03-27 by Ady TZIDON (No Solution Yet, 2 Comments) Harmless? (in General) Posted on 2014-03-26 by Ady TZIDON (No Solution Yet, 2 Comments) Words count (in Numbers) Posted on 2014-03-25 by Ady TZIDON (No Solution Yet, 8 Comments) How high? (in Numbers) Rating: 4.00 Posted on 2014-03-25 by Ady TZIDON (No Solution Yet, 4 Comments) A coded phrase (in General) Posted on 2014-03-24 by Ady TZIDON (No Solution Yet, 2 Comments) Solution or solutions (in Sequences) Posted on 2014-03-20 by Ady TZIDON (No Solution Yet, 6 Comments) About two and seven (in Numbers) Posted on 2014-03-19 by Ady TZIDON (No Solution Yet, 1 Comments) Seven come eleven II (in Numbers) Posted on 2014-03-16 by Ady TZIDON (Solution Posted, 1 Comments) Summing the factorials (in Numbers) Posted on 2014-03-15 by Ady TZIDON (No Solution Yet, 3 Comments) The famous card players (in General) Posted on 2014-03-14 by Ady TZIDON (No Solution Yet, 1 Comments) Ady's RH problem (in Logic) Posted on 2014-03-11 by Ady TZIDON (Solution Posted, 6 Comments) A permuted multiplication (in Numbers) Posted on 2014-03-11 by Ady TZIDON (No Solution Yet, 9 Comments) Pythagorean triangle (in Just Math) Posted on 2014-03-10 by Ady TZIDON (Solution Posted, 2 Comments) A partial deck (in Numbers) Posted on 2014-03-05 by Ady TZIDON (No Solution Yet, 3 Comments) Prime+reversal= prime (in Numbers) Posted on 2014-03-04 by Ady TZIDON (Solution Posted, 4 Comments) Reverso (in Numbers) Posted on 2014-02-27 by Ady TZIDON (No Solution Yet, 2 Comments) Riding the time machine (in General) Posted on 2014-02-24 by Ady TZIDON (No Solution Yet, 2 Comments) Six sets (in Numbers) Posted on 2014-02-17 by Ady TZIDON (No Solution Yet, 7 Comments) What did I miss? (in Just Math) Posted on 2014-02-14 by Ady TZIDON (No Solution Yet, 1 Comments) Do you like mushrooms? (in General) Posted on 2014-02-10 by Ady TZIDON (No Solution Yet, 3 Comments) An after-dinner enigma (in Just Math) Posted on 2014-02-05 by Ady TZIDON (No Solution Yet, 1 Comments) 3 after 4 (in Sequences) Posted on 2014-02-04 by Ady TZIDON (No Solution Yet, 1 Comments) My crazy die (in Probability) Posted on 2014-02-03 by Ady TZIDON (No Solution Yet, 3 Comments) Four special squares (in Numbers) Posted on 2014-01-30 by Ady TZIDON (No Solution Yet, 5 Comments) N & n (in Just Math) Posted on 2014-01-27 by Ady TZIDON (No Solution Yet, 7 Comments) Geography? Spelling? Logic? (in Tricks) Posted on 2014-01-24 by Ady TZIDON (Solution Posted, 4 Comments) An economic reality (in General) Posted on 2014-01-23 by Ady TZIDON (Solution Posted, 1 Comments) Maximizing Matches Model (in Numbers) Posted on 2014-01-22 by Ady TZIDON (Solution Posted, 16 Comments) Probing the prob. (in Probability) Posted on 2014-01-21 by Ady TZIDON (Solution Posted, 5 Comments) Created after midnight (in General) Posted on 2014-01-20 by Ady TZIDON (Solution Posted, 2 Comments) Advanced alphametics (in Numbers) Posted on 2014-01-17 by Ady TZIDON (Solution Posted, 8 Comments) Summing up the dividers' dividers (in Numbers) Posted on 2014-01-15 by Ady TZIDON (No Solution Yet, 1 Comments) U * I = $$$ (in General) Posted on 2014-01-14 by Ady TZIDON (Solution Posted, 1 Comments) Coin flips (in Numbers) Rating: 4.00 Posted on 2014-01-10 by Ady TZIDON (Solution Posted, 1 Comments) A missing proverb (in General) Posted on 2014-01-09 by Ady TZIDON (Solution Posted, 2 Comments) A missing symbol (in Word Problems) Posted on 2014-01-08 by Ady TZIDON (Solution Posted, 2 Comments) A quotation (in Numbers) Posted on 2014-01-07 by Ady TZIDON (Solution Posted, 2 Comments) A hidden message (in Cryptography) Posted on 2014-01-06 by Ady TZIDON (Solution Posted, 5 Comments) Pairagrams (in Word Problems) Posted on 2013-12-31 by Ady TZIDON (No Solution Yet, 1 Comments) Palindromic and prime (in Numbers) Posted on 2013-12-30 by Ady TZIDON (Solution Posted, 1 Comments) A sum of 3 (in Numbers) Posted on 2013-12-27 by Ady TZIDON (Solution Posted, 2 Comments) A neat trick (in Tricks) Rating: 4.00 Posted on 2013-12-26 by Ady TZIDON (Solution Posted, 5 Comments) Madam Marathon (in Just Math) Rating: 2.00 Posted on 2013-12-23 by Ady TZIDON (Solution Posted, 1 Comments) On the same line (in Geometry) Posted on 2013-12-22 by Ady TZIDON (Solution Posted, 3 Comments) Hats revisited (in Probability) Posted on 2013-12-19 by Ady TZIDON (No Solution Yet, 6 Comments) Algorithm requested (in Algorithms) Posted on 2013-12-18 by Ady TZIDON (Solution Posted, 3 Comments) One out of ninety (in Weights and Scales) Rating: 4.00 Posted on 2013-12-17 by Ady TZIDON (Solution Posted, 7 Comments) The unhappy end(= 58623L* ) (in General) Rating: 4.00 Posted on 2013-12-13 by Ady TZIDON (Solution Posted, 4 Comments) Last but not the least (in Numbers) Posted on 2013-12-12 by Ady TZIDON (Solution Posted, 8 Comments) Who's asking? (in Word Problems) Posted on 2013-12-11 by Ady TZIDON (Solution Posted, 6 Comments) A 6-digit answer (in Numbers) Posted on 2013-11-24 by Ady TZIDON (No Solution Yet, 2 Comments) Eve & Odd (in Numbers) Posted on 2013-11-22 by Ady TZIDON (Solution Posted, 5 Comments) LCM equation (in Numbers) Rating: 4.00 Posted on 2013-11-19 by Ady TZIDON (No Solution Yet, 5 Comments) 8 dice, 3 questions (in Numbers) Posted on 2013-11-18 by Ady TZIDON (No Solution Yet, 1 Comments) Define winning strategy (in Games) Posted on 2013-11-14 by Ady TZIDON (No Solution Yet, 6 Comments) Covert Quantity IV (in Numbers) Posted on 2013-11-11 by Ady TZIDON (No Solution Yet, 1 Comments) Two possible sums (in Numbers) Posted on 2013-11-08 by Ady TZIDON (No Solution Yet, 1 Comments) 5*90 90 5*6 1605 2##6X (in General) Rating: 5.00 Posted on 2013-11-07 by Ady TZIDON (Solution Posted, 1 Comments) Two ways (in Just Math) Rating: 3.67 Posted on 2013-10-31 by Ady TZIDON (Solution Posted, 2 Comments) As easy as 123 (in Numbers) Posted on 2013-10-25 by Ady TZIDON (Solution Posted, 1 Comments) Drinking Dwarfs (in Just Math) Posted on 2013-10-23 by Ady TZIDON (No Solution Yet, 6 Comments) Just prove it (in Just Math) Posted on 2013-10-20 by Ady TZIDON (No Solution Yet, 4 Comments) Take the right one (in Weights and Scales) Rating: 3.00 Posted on 2013-10-18 by Ady TZIDON (No Solution Yet, 18 Comments) No multiplication allowed (in Numbers) Posted on 2013-10-17 by Ady TZIDON (Solution Posted, 8 Comments) Geo-alphametic (in General) Posted on 2013-10-16 by Ady TZIDON (Solution Posted, 2 Comments) Hobsons choice(?) (in Numbers) Rating: 4.00 Posted on 2013-10-10 by Ady TZIDON (No Solution Yet, 9 Comments) Restore from scratches (in Numbers) Rating: 4.00 Posted on 2013-10-08 by Ady TZIDON (No Solution Yet, 2 Comments) Two cars, three towns (in Just Math) Rating: 2.00 Posted on 2013-10-07 by Ady TZIDON (No Solution Yet, 3 Comments) First Floobles Factorization (in General) Rating: 4.00 Posted on 2013-10-04 by Ady TZIDON (No Solution Yet, 2 Comments) Listing cubes (in Numbers) Rating: 4.50 Posted on 2013-10-01 by Ady TZIDON (No Solution Yet, 3 Comments) Eleven is a factor (in Numbers) Posted on 2013-09-26 by Ady TZIDON (No Solution Yet, 1 Comments) Maximizing product (in Geometry) Posted on 2013-09-19 by Ady TZIDON (No Solution Yet, 4 Comments) Prime with distinct digits (in Numbers) Posted on 2013-09-18 by Ady TZIDON (Solution Posted, 2 Comments) Big areas (in Numbers) Posted on 2013-09-17 by Ady TZIDON (No Solution Yet, 16 Comments) Staggered divisibility (in Numbers) Posted on 2013-09-16 by Ady TZIDON (No Solution Yet, 3 Comments) From hints to a missing digit (in Numbers) Posted on 2013-09-13 by Ady TZIDON (No Solution Yet, 0 Comments) Divisibility wanted (in Numbers) Posted on 2013-09-12 by Ady TZIDON (No Solution Yet, 1 Comments) Prime candidates (in Numbers) Posted on 2013-09-11 by Ady TZIDON (No Solution Yet, 1 Comments) Two top targets (in Numbers) Posted on 2013-09-06 by Ady TZIDON (No Solution Yet, 2 Comments) Next year (in Numbers) Rating: 4.00 Posted on 2013-09-03 by Ady TZIDON (No Solution Yet, 1 Comments) All zeroes solution (in Numbers) Posted on 2013-09-01 by Ady TZIDON (No Solution Yet, 3 Comments) NegaFibo series (in Numbers) Posted on 2013-08-29 by Ady TZIDON (No Solution Yet, 2 Comments) Mission impossible II (in Numbers) Posted on 2013-08-26 by Ady TZIDON (No Solution Yet, 7 Comments) FOUR SQUARES (in Numbers) Posted on 2013-08-23 by Ady TZIDON (No Solution Yet, 1 Comments) Z for Zero, X for siX (in Just Math) Posted on 2013-08-22 by Ady TZIDON (No Solution Yet, 4 Comments) Habeas corpus (in Word Problems) Posted on 2013-08-14 by Ady TZIDON (No Solution Yet, 1 Comments) Seven - with and without (in Numbers) Rating: 3.67 Posted on 2013-08-09 by Ady TZIDON (No Solution Yet, 6 Comments) Not applicable to driving (in Riddles) Posted on 2013-08-08 by Ady TZIDON (Solution Posted, 2 Comments) Round Results (in Numbers) Posted on 2013-08-05 by Ady TZIDON (No Solution Yet, 4 Comments) Au vs Pb (in General) Posted on 2013-08-01 by Ady TZIDON (Solution Posted, 3 Comments) Remember that (in Numbers) Rating: 3.67 Posted on 2013-07-30 by Ady TZIDON (Solution Posted, 4 Comments) Maximizing sum (in Numbers) Posted on 2013-07-29 by Ady TZIDON (No Solution Yet, 1 Comments) Dominoes and checkerboard (in General) Posted on 2013-07-23 by Ady TZIDON (No Solution Yet, 3 Comments) Only one untrue statement (in Logic) Rating: 3.00 Posted on 2013-07-18 by Ady TZIDON (Solution Posted, 10 Comments) 4b4N & after (in Numbers) Rating: 3.00 Posted on 2013-07-17 by Ady TZIDON (No Solution Yet, 3 Comments) S.o.d. classification (in Just Math) Posted on 2013-07-15 by Ady TZIDON (No Solution Yet, 1 Comments) It's now out! (in Numbers) Posted on 2013-07-10 by Ady TZIDON (Solution Posted, 1 Comments) One is a sum (in Numbers) Posted on 2013-07-05 by Ady TZIDON (No Solution Yet, 1 Comments) Just asking (in Just Math) Posted on 2013-07-03 by Ady TZIDON (No Solution Yet, 1 Comments) Changing form (in Just Math) Posted on 2013-06-29 by Ady TZIDON (No Solution Yet, 1 Comments) My uncle's habits (in Probability) Rating: 5.00 Posted on 2013-06-28 by Ady TZIDON (No Solution Yet, 4 Comments) Euler erred (in Just Math) Posted on 2013-06-25 by Ady TZIDON (No Solution Yet, 1 Comments) Misleading data (in Just Math) Posted on 2013-06-23 by Ady TZIDON (No Solution Yet, 2 Comments) Words, words, numbers (in Word Problems) Posted on 2013-06-21 by Ady TZIDON (No Solution Yet, 2 Comments) Any others? (in Numbers) Posted on 2013-06-18 by Ady TZIDON (No Solution Yet, 9 Comments) All bases comply (in Numbers) Rating: 2.00 Posted on 2013-06-17 by Ady TZIDON (No Solution Yet, 1 Comments) A G E S III (in Just Math) Rating: 2.50 Posted on 2013-06-11 by Ady TZIDON (No Solution Yet, 1 Comments) Sail & beware (in Word Problems) Posted on 2013-06-06 by Ady TZIDON (No Solution Yet, 2 Comments) I loved (in General) Rating: 2.50 Posted on 2013-06-05 by Ady TZIDON (No Solution Yet, 3 Comments) B & G (in Logic) Rating: 1.00 Posted on 2013-06-03 by Ady TZIDON (No Solution Yet, 1 Comments) Q: What is this sum? (in Numbers) Posted on 2013-05-31 by Ady TZIDON (Solution Posted, 4 Comments) You & you (in Word Problems) Rating: 4.00 Posted on 2013-05-30 by Ady TZIDON (Solution Posted, 6 Comments) Play or Pass (in Probability) Posted on 2013-05-28 by Ady TZIDON (No Solution Yet, 4 Comments) Get the facts (in Word Problems) Posted on 2013-05-23 by Ady TZIDON (Solution Posted, 1 Comments) Compare two problems (in Just Math) Posted on 2013-05-20 by Ady TZIDON (Solution Posted, 3 Comments) Wet Rain (in Just Math) Posted on 2013-05-19 by Ady TZIDON (No Solution Yet, 1 Comments) It is simpler than you think (in Just Math) Posted on 2013-05-18 by Ady TZIDON (No Solution Yet, 1 Comments) What's wrong with him? (in Tricks) Posted on 2013-05-16 by Ady TZIDON (Solution Posted, 6 Comments) Odd steps (in Numbers) Posted on 2013-05-08 by Ady TZIDON (No Solution Yet, 1 Comments) No comments (in Numbers) Rating: 3.50 Posted on 2013-05-07 by Ady TZIDON (No Solution Yet, 2 Comments) Hatu ,Utah?? (in Word Problems) Posted on 2013-05-06 by Ady TZIDON (No Solution Yet, 1 Comments) Fibo and GCD (in Numbers) Posted on 2013-05-02 by Ady TZIDON (No Solution Yet, 2 Comments) Generalize (in Numbers) Posted on 2013-05-01 by Ady TZIDON (No Solution Yet, 5 Comments) Three in, one out (in Just Math) Rating: 3.50 Posted on 2013-04-29 by Ady TZIDON (No Solution Yet, 5 Comments) How much and why ? (in Logic) Posted on 2013-04-22 by Ady TZIDON (No Solution Yet, 2 Comments) Overheard in a London eatery's kitchen (in General) Rating: 3.00 Posted on 2013-04-19 by Ady TZIDON (No Solution Yet, 8 Comments) Maximizing the ratio (in Just Math) Rating: 2.00 Posted on 2013-04-18 by Ady TZIDON (No Solution Yet, 1 Comments) Close neighbours (in Just Math) Posted on 2013-04-15 by Ady TZIDON (No Solution Yet, 1 Comments) As low as possible (in Numbers) Posted on 2013-04-12 by Ady TZIDON (No Solution Yet, 6 Comments) Bonjour, Pascal ! (in Just Math) Rating: 4.00 Posted on 2013-04-10 by Ady TZIDON (No Solution Yet, 2 Comments) Pass the beer (in Probability) Posted on 2013-04-09 by Ady TZIDON (No Solution Yet, 8 Comments) The sum = the product (in Just Math) Posted on 2013-04-04 by Ady TZIDON (No Solution Yet, 2 Comments) Mission impossible (in Just Math) Rating: 4.00 Posted on 2013-04-03 by Ady TZIDON (Solution Posted, 5 Comments) D is harder than C (in Just Math) Rating: 4.67 Posted on 2013-03-29 by Ady TZIDON (Solution Posted, 11 Comments) irreducible? (in Just Math) Posted on 2013-03-29 by Ady TZIDON (No Solution Yet, 6 Comments) Analyzing LOTTO (in Numbers) Posted on 2013-03-28 by Ady TZIDON (No Solution Yet, 6 Comments) Ten items to classify (in General) Posted on 2013-03-27 by Ady TZIDON (Solution Posted, 8 Comments) Bartender to his apprentice: (in Numbers) Posted on 2013-03-26 by Ady TZIDON (Solution Posted, 5 Comments) So many ways.... (in Numbers) Posted on 2013-03-21 by Ady TZIDON (Solution Posted, 3 Comments) Inequality challenged (in Just Math) Posted on 2013-03-19 by Ady TZIDON (No Solution Yet, 1 Comments) Ecin reversal! (in Numbers) Posted on 2013-03-18 by Ady TZIDON (No Solution Yet, 1 Comments) Goldbach revisited (in Numbers) Posted on 2013-03-15 by Ady TZIDON (No Solution Yet, 2 Comments) UN cargo (in Numbers) Rating: 4.50 Posted on 2013-03-13 by Ady TZIDON (No Solution Yet, 9 Comments) Two ladders (in Geometry) Posted on 2013-03-12 by Ady TZIDON (No Solution Yet, 1 Comments) Three neighbours (in Numbers) Posted on 2013-03-08 by Ady TZIDON (No Solution Yet, 3 Comments) 4 sixes (in Numbers) Posted on 2013-03-05 by Ady TZIDON (No Solution Yet, 2 Comments) Math spelling (in Word Problems) Rating: 5.00 Posted on 2013-03-04 by Ady TZIDON (Solution Posted, 9 Comments) Trespassing (in Cryptography) Rating: 5.00 Posted on 2013-03-01 by Ady TZIDON (No Solution Yet, 1 Comments) Underground occupation (in Cryptography) Rating: 5.00 Posted on 2013-02-26 by Ady TZIDON (No Solution Yet, 4 Comments) Prime source (in Numbers) Posted on 2013-02-25 by Ady TZIDON (No Solution Yet, 1 Comments) On congruent numbers (in Numbers) Posted on 2013-02-24 by Ady TZIDON (No Solution Yet, 2 Comments) Not represented (in Numbers) Rating: 4.00 Posted on 2013-02-20 by Ady TZIDON (No Solution Yet, 4 Comments) From proverbs to alphametics (in General) Posted on 2013-02-15 by Ady TZIDON (No Solution Yet, 8 Comments) A false claim (in Numbers) Posted on 2013-02-05 by Ady TZIDON (No Solution Yet, 2 Comments) Confused? (in Riddles) Posted on 2013-02-04 by Ady TZIDON (Solution Posted, 3 Comments) Arrangements count (in Just Math) Posted on 2013-01-31 by Ady TZIDON (No Solution Yet, 2 Comments) Below 5K (in Just Math) Posted on 2013-01-28 by Ady TZIDON (No Solution Yet, 2 Comments) Pandigital? (in Numbers) Posted on 2013-01-25 by Ady TZIDON (No Solution Yet, 4 Comments) Greetings from P (in Sequences) Posted on 2013-01-24 by Ady TZIDON (No Solution Yet, 5 Comments) 9 distinct digits in 3 products (in Numbers) Posted on 2013-01-23 by Ady TZIDON (No Solution Yet, 2 Comments) Prime only as it is (in Numbers) Posted on 2013-01-22 by Ady TZIDON (No Solution Yet, 2 Comments) A cancellation fallacy (in Just Math) Posted on 2013-01-18 by Ady TZIDON (No Solution Yet, 3 Comments) Off by one (in Numbers) Rating: 4.00 Posted on 2013-01-18 by Ady TZIDON (No Solution Yet, 7 Comments) Prime it remains (in Numbers) Rating: 4.00 Posted on 2013-01-15 by Ady TZIDON (No Solution Yet, 4 Comments) A crowd of knights (in Numbers) Posted on 2013-01-14 by Ady TZIDON (Solution Posted, 3 Comments) A chain of odds (in Numbers) Posted on 2013-01-11 by Ady TZIDON (No Solution Yet, 2 Comments) Two urns (in Probability) Posted on 2013-01-10 by Ady TZIDON (No Solution Yet, 5 Comments) Told by an integer (in Numbers) Rating: 4.00 Posted on 2013-01-04 by Ady TZIDON (Solution Posted, 2 Comments) The Seven Romans (in Logic) Rating: 5.00 Posted on 2013-01-02 by Ady TZIDON (Solution Posted, 7 Comments) Just arithmetic signs (in Numbers) Rating: 2.33 Posted on 2012-12-28 by Ady TZIDON (Solution Posted, 10 Comments) 11 does not divide any of them (in Numbers) Posted on 2012-12-26 by Ady TZIDON (No Solution Yet, 3 Comments) One digit is missing (in General) Posted on 2012-12-21 by Ady TZIDON (Solution Posted, 3 Comments) All(?) about SEQ (in Numbers) Rating: 5.00 Posted on 2012-12-19 by Ady TZIDON (No Solution Yet, 1 Comments) Surprised? (in Sequences) Posted on 2012-12-15 by Ady TZIDON (Solution Posted, 2 Comments) From Poland with love (in Just Math) Posted on 2012-12-13 by Ady TZIDON (No Solution Yet, 2 Comments) Go count (in Numbers) Rating: 5.00 Posted on 2012-12-11 by Ady TZIDON (No Solution Yet, 6 Comments) No integer solutions (in Just Math) Rating: 3.00 Posted on 2012-12-10 by Ady TZIDON (No Solution Yet, 4 Comments) Two Dominoes (in Probability) Posted on 2012-12-04 by Ady TZIDON (Solution Posted, 1 Comments) Why prime remainder? (in Just Math) Posted on 2012-12-03 by Ady TZIDON (No Solution Yet, 1 Comments) A square is a cube (in Numbers) Rating: 3.00 Posted on 2012-11-29 by Ady TZIDON (No Solution Yet, 2 Comments) 3 cubes? - not always (in Just Math) Posted on 2012-11-26 by Ady TZIDON (No Solution Yet, 1 Comments) Getting closer (in Just Math) Rating: 4.50 Posted on 2012-11-25 by Ady TZIDON (No Solution Yet, 6 Comments) 3402 02 N1 509 873 (in General) Posted on 2012-11-23 by Ady TZIDON (No Solution Yet, 3 Comments) 5 partitions (in Just Math) Rating: 3.00 Posted on 2012-11-21 by Ady TZIDON (No Solution Yet, 3 Comments) Yes we can (in Numbers) Rating: 2.50 Posted on 2012-11-20 by Ady TZIDON (No Solution Yet, 2 Comments) Not a clear cut (in Logic) Posted on 2012-11-18 by Ady TZIDON (No Solution Yet, 4 Comments) 2-way traffic (in Word Problems) Rating: 4.00 Posted on 2012-11-14 by Ady TZIDON (No Solution Yet, 7 Comments) The Bard as a source (in General) Posted on 2012-11-09 by Ady TZIDON (No Solution Yet, 3 Comments) Long(infinite?) way to create a palindrome (in Numbers) Posted on 2012-11-04 by Ady TZIDON (Solution Posted, 2 Comments) Baking the best pie (in Numbers) Rating: 4.00 Posted on 2012-11-02 by Ady TZIDON (No Solution Yet, 2 Comments) Quips et al (in Word Problems) Rating: 3.00 Posted on 2012-10-30 by Ady TZIDON (No Solution Yet, 8 Comments) Exploring HCNs (in Numbers) Posted on 2012-10-26 by Ady TZIDON (No Solution Yet, 5 Comments) Away from home (in Just Math) Rating: 5.00 Posted on 2012-10-23 by Ady TZIDON (No Solution Yet, 2 Comments) White vs red (in Probability) Posted on 2012-10-17 by Ady TZIDON (No Solution Yet, 1 Comments) Big B's theorem (in Geometry) Rating: 2.00 Posted on 2012-10-14 by Ady TZIDON (No Solution Yet, 2 Comments) P/Q (in Just Math) Rating: 4.00 Posted on 2012-10-12 by Ady TZIDON (No Solution Yet, 5 Comments) Center to center (in Geometry) Rating: 4.00 Posted on 2012-10-10 by Ady TZIDON (No Solution Yet, 3 Comments) A tricky ricky quicky (in Sequences) Posted on 2012-10-08 by Ady TZIDON (No Solution Yet, 2 Comments) Prove it, please (in Just Math) Rating: 5.00 Posted on 2012-10-06 by Ady TZIDON (No Solution Yet, 3 Comments) Four Four-letter words (in General) Posted on 2012-10-03 by Ady TZIDON (Solution Posted, 3 Comments) My Age (in Just Math) Rating: 5.00 Posted on 2012-09-29 by Ady TZIDON (No Solution Yet, 3 Comments) Very disappointed (in Cryptography) Posted on 2012-09-26 by Ady TZIDON (No Solution Yet, 2 Comments) Neighboring strangers (in Just Math) Posted on 2012-09-24 by Ady TZIDON (Solution Posted, 1 Comments) Though this be madness, yet there is method in it... (in Numbers) Rating: 4.33 Posted on 2012-09-20 by Ady TZIDON (Solution Posted, 6 Comments) US or NOT (in Cryptography) Rating: 4.50 Posted on 2012-09-18 by Ady TZIDON (No Solution Yet, 2 Comments) A frugal sequence (in Numbers) Rating: 5.00 Posted on 2012-09-14 by Ady TZIDON (Solution Posted, 13 Comments) A silly opinion (in General) Posted on 2012-09-11 by Ady TZIDON (No Solution Yet, 3 Comments) by L. Euler (in General) Rating: 5.00 Posted on 2012-09-08 by Ady TZIDON (No Solution Yet, 7 Comments) A palindrome product (in Numbers) Rating: 5.00 Posted on 2012-09-05 by Ady TZIDON (Solution Posted, 4 Comments) Pandoprime (in Numbers) Posted on 2012-09-01 by Ady TZIDON (No Solution Yet, 2 Comments) 5th powers (in Numbers) Rating: 3.50 Posted on 2012-08-30 by Ady TZIDON (No Solution Yet, 4 Comments) A Pythagorean triplet (in Numbers) Rating: 5.00 Posted on 2012-08-28 by Ady TZIDON (Solution Posted, 4 Comments) Less than ten thou (in Numbers) Rating: 5.00 Posted on 2012-08-25 by Ady TZIDON (No Solution Yet, 1 Comments) 1707 (in Numbers) Rating: 3.00 Posted on 2012-08-23 by Ady TZIDON (No Solution Yet, 4 Comments) Who am I? (in Riddles) Posted on 2012-08-21 by Ady TZIDON (Solution Posted, 3 Comments) 86 at most (in Numbers) Posted on 2012-08-18 by Ady TZIDON (Solution Posted, 2 Comments) Name it correctly (in Logic) Rating: 5.00 Posted on 2012-08-16 by Ady TZIDON (No Solution Yet, 8 Comments) A powerful s.o.d. (in Numbers) Posted on 2012-08-14 by Ady TZIDON (No Solution Yet, 5 Comments) From Russia with love (in Weights and Scales) Posted on 2012-08-11 by Ady TZIDON (No Solution Yet, 3 Comments) Some cubes! (in Numbers) Posted on 2012-08-10 by Ady TZIDON (No Solution Yet, 8 Comments) Wilson the 3rd (in Numbers) Posted on 2012-08-07 by Ady TZIDON (No Solution Yet, 5 Comments) The lowest sums (in Just Math) Posted on 2012-08-04 by Ady TZIDON (No Solution Yet, 3 Comments) A quicky (in Numbers) Rating: 5.00 Posted on 2012-07-31 by Ady TZIDON (Solution Posted, 6 Comments) Equality for all (in Just Math) Rating: 3.67 Posted on 2012-07-29 by Ady TZIDON (No Solution Yet, 3 Comments) Gossip (in Just Math) Rating: 4.50 Posted on 2012-07-26 by Ady TZIDON (No Solution Yet, 12 Comments) Pigeons again (in Sequences) Rating: 5.00 Posted on 2012-07-22 by Ady TZIDON (No Solution Yet, 2 Comments) 1232 is HERE (in Numbers) Rating: 3.00 Posted on 2012-07-18 by Ady TZIDON (No Solution Yet, 2 Comments) 99 for odd powers (in Numbers) Rating: 3.67 Posted on 2012-07-14 by Ady TZIDON (No Solution Yet, 3 Comments) GIPSY ROAD: (in General) Rating: 5.00 Posted on 2012-07-12 by Ady TZIDON (No Solution Yet, 20 Comments) Angles missing (in Geometry) Rating: 4.00 Posted on 2012-07-09 by Ady TZIDON (Solution Posted, 1 Comments) The Magnificent Eleven (in Numbers) Rating: 4.00 Posted on 2012-07-07 by Ady TZIDON (No Solution Yet, 3 Comments) Getting closer to three targets (in Numbers) Rating: 5.00 Posted on 2012-07-01 by Ady TZIDON (No Solution Yet, 2 Comments) Sum of primes is a square (in Numbers) Rating: 5.00 Posted on 2012-06-29 by Ady TZIDON (Solution Posted, 2 Comments) One is k times the other (in Numbers) Posted on 2012-06-25 by Ady TZIDON (No Solution Yet, 7 Comments) Complementary, my dear Watson (in Numbers) Rating: 5.00 Posted on 2012-06-22 by Ady TZIDON (No Solution Yet, 6 Comments) Prime, anyway (in Numbers) Rating: 3.00 Posted on 2012-06-17 by Ady TZIDON (Solution Posted, 2 Comments) Find this cube! (in Numbers) Rating: 4.20 Posted on 2012-06-16 by Ady TZIDON (Solution Posted, 4 Comments) Equal digits (in Numbers) Rating: 4.00 Posted on 2012-06-11 by Ady TZIDON (Solution Posted, 7 Comments) Use all nine (in Numbers) Rating: 5.00 Posted on 2012-06-08 by Ady TZIDON (No Solution Yet, 3 Comments) The smallest sum (in Numbers) Rating: 4.67 Posted on 2012-06-02 by Ady TZIDON (No Solution Yet, 8 Comments) Twice nine (in Numbers) Posted on 2012-05-28 by Ady TZIDON (No Solution Yet, 2 Comments) A number pyramid (in Numbers) Posted on 2012-05-18 by Ady TZIDON (Solution Posted, 3 Comments) Ready, action…,CUT! (in Geometry) Rating: 3.00 Posted on 2012-05-16 by Ady TZIDON (Solution Posted, 19 Comments) A beast in a pie (in Numbers) Posted on 2012-05-13 by Ady TZIDON (No Solution Yet, 1 Comments) Special palindromes (in Numbers) Posted on 2012-05-11 by Ady TZIDON (Solution Posted, 2 Comments) Words of warning (in Cryptography) Rating: 4.00 Posted on 2012-05-08 by Ady TZIDON (No Solution Yet, 2 Comments) Mirror, mirror (in Numbers) Rating: 5.00 Posted on 2012-05-04 by Ady TZIDON (No Solution Yet, 4 Comments) A red herring marble (in Logic) Posted on 2012-05-01 by Ady TZIDON (Solution Posted, 1 Comments) SUMUS (in Just Math) Posted on 2012-04-21 by Ady TZIDON (No Solution Yet, 1 Comments) Why did she do it? (in General) Rating: 5.00 Posted on 2012-04-19 by Ady TZIDON (No Solution Yet, 5 Comments) Loops in PI (in Logic) Rating: 4.50 Posted on 2012-04-15 by Ady TZIDON (Solution Posted, 5 Comments) No comments (in General) Rating: 4.50 Posted on 2012-04-12 by Ady TZIDON (Solution Posted, 3 Comments) The wine is so-so, but... (in Numbers) Rating: 3.75 Posted on 2012-04-06 by Ady TZIDON (Solution Posted, 8 Comments) Proof needed (in Just Math) Rating: 4.00 Posted on 2012-03-30 by Ady TZIDON (No Solution Yet, 2 Comments) Some sums (in Sequences) Posted on 2012-03-26 by Ady TZIDON (Solution Posted, 3 Comments) From primes to palindrome (in Numbers) Rating: 5.00 Posted on 2012-03-24 by Ady TZIDON (Solution Posted, 7 Comments) Math. competition, (in Just Math) Rating: 4.00 Posted on 2012-03-21 by Ady TZIDON (No Solution Yet, 9 Comments) Build a triangle. (in Geometry) Posted on 2012-03-15 by Ady TZIDON (Solution Posted, 1 Comments) 3 causes 7 (in Numbers) Rating: 4.00 Posted on 2012-03-10 by Ady TZIDON (Solution Posted, 2 Comments) Equality of ends (in Numbers) Posted on 2012-03-04 by Ady TZIDON (Solution Posted, 1 Comments) Letter code (in Sequences) Rating: 4.50 Posted on 2012-02-27 by Ady TZIDON (Solution Posted, 5 Comments) S.o.d . of s.o.d ,,, (in Just Math) Rating: 4.00 Posted on 2012-02-21 by Ady TZIDON (Solution Posted, 4 Comments) 39 does it (in Just Math) Rating: 5.00 Posted on 2012-02-19 by Ady TZIDON (Solution Posted, 4 Comments) Find Formula (in Sequences) Posted on 2012-02-17 by Ady TZIDON (Solution Posted, 4 Comments) Decimal base? Of course... (in Tricks) Rating: 4.50 Posted on 2012-02-13 by Ady TZIDON (Solution Posted, 15 Comments) Special primes (in Numbers) Rating: 5.00 Posted on 2012-02-12 by Ady TZIDON (Solution Posted, 3 Comments) Prime-go-round (in Numbers) Posted on 2012-02-06 by Ady TZIDON (Solution Posted, 2 Comments) Three digits - all prime! (in Numbers) Rating: 3.67 Posted on 2012-02-01 by Ady TZIDON (Solution Posted, 4 Comments) Covering a rectangle by circles (in Shapes) Rating: 4.50 Posted on 2012-01-30 by Ady TZIDON (Solution Posted, 6 Comments) Sum of squares (in Just Math) Posted on 2012-01-28 by Ady TZIDON (No Solution Yet, 2 Comments) Yes and no (in Just Math) Posted on 2012-01-21 by Ady TZIDON (No Solution Yet, 1 Comments) Maybe? (in Just Math) Rating: 3.00 Posted on 2012-01-15 by Ady TZIDON (No Solution Yet, 3 Comments) DIY prime magic (in Numbers) Posted on 2012-01-13 by Ady TZIDON (Solution Posted, 10 Comments) 18 digits (in Just Math) Rating: 3.00 Posted on 2012-01-12 by Ady TZIDON (No Solution Yet, 5 Comments) Produce a product (in Just Math) Rating: 3.67 Posted on 2012-01-09 by Ady TZIDON (No Solution Yet, 4 Comments) Find out (in Numbers) Posted on 2012-01-08 by Ady TZIDON (No Solution Yet, 2 Comments) More about 1729 (in Numbers) Rating: 5.00 Posted on 2012-01-04 by Ady TZIDON (Solution Posted, 8 Comments) It is not that easy (in General) Rating: 3.67 Posted on 2012-01-01 by Ady TZIDON (Solution Posted, 3 Comments) Fair play (in Probability) Rating: 3.00 Posted on 2011-12-30 by Ady TZIDON (Solution Posted, 3 Comments) A repunit number (in Numbers) Rating: 4.00 Posted on 2011-12-26 by Ady TZIDON (No Solution Yet, 5 Comments) Two expressions (in Numbers) Posted on 2011-12-22 by Ady TZIDON (No Solution Yet, 1 Comments) Find my number (in Numbers) Rating: 4.00 Posted on 2011-12-19 by Ady TZIDON (No Solution Yet, 10 Comments) 5-digit period (in Just Math) Rating: 4.00 Posted on 2011-12-16 by Ady TZIDON (No Solution Yet, 3 Comments) Getting gadgets galore (in Just Math) Rating: 5.00 Posted on 2011-12-12 by Ady TZIDON (No Solution Yet, 3 Comments) Ones or twos (in Just Math) Posted on 2011-12-07 by Ady TZIDON (No Solution Yet, 4 Comments) Not all are equal (in Just Math) Rating: 5.00 Posted on 2011-12-03 by Ady TZIDON (No Solution Yet, 8 Comments) Over fourteen (in Sequences) Rating: 3.67 Posted on 2011-12-02 by Ady TZIDON (No Solution Yet, 4 Comments) Prime Order (in Just Math) Posted on 2011-11-27 by Ady TZIDON (No Solution Yet, 1 Comments) To and fro (in Calculus) Posted on 2011-11-23 by Ady TZIDON (No Solution Yet, 2 Comments) All in the family (in Just Math) Rating: 4.50 Posted on 2011-11-20 by Ady TZIDON (No Solution Yet, 17 Comments) Twins, triplets and more (in Just Math) Rating: 4.00 Posted on 2011-11-17 by Ady TZIDON (No Solution Yet, 5 Comments) Some relation! (in Just Math) Rating: 3.00 Posted on 2011-11-11 by Ady TZIDON (No Solution Yet, 10 Comments) A quicky: (in Numbers) Rating: 5.00 Posted on 2011-11-07 by Ady TZIDON (No Solution Yet, 1 Comments) An extended harmony (in Just Math) Posted on 2011-11-01 by Ady TZIDON (No Solution Yet, 5 Comments) Special dice (in Just Math) Rating: 4.00 Posted on 2011-10-30 by Ady TZIDON (No Solution Yet, 18 Comments) Angle of view (in Just Math) Posted on 2011-10-28 by Ady TZIDON (No Solution Yet, 2 Comments) Lasts a year (in Just Math) Rating: 3.67 Posted on 2011-10-24 by Ady TZIDON (No Solution Yet, 5 Comments) Three customers (in Logic) Rating: 3.40 Posted on 2011-10-17 by Ady TZIDON (Solution Posted, 9 Comments) Avoid ambiguity (in General) Rating: 4.00 Posted on 2011-10-12 by Ady TZIDON (No Solution Yet, 2 Comments) Build one – get two free (in Numbers) Rating: 4.50 Posted on 2011-10-08 by Ady TZIDON (No Solution Yet, 5 Comments) Seconds, anyone? (in Just Math) Rating: 5.00 Posted on 2011-10-03 by Ady TZIDON (Solution Posted, 2 Comments) RARE SURE QUORA (in Just Math) Rating: 5.00 Posted on 2011-10-02 by Ady TZIDON (Solution Posted, 7 Comments) Some pedigree! (in Logic) Rating: 5.00 Posted on 2011-09-26 by Ady TZIDON (No Solution Yet, 4 Comments) Q: What time is it now, dear R.? (in Just Math) Rating: 4.67 Posted on 2011-09-19 by Ady TZIDON (Solution Posted, 9 Comments) 1st+2nd=3rd (in Numbers) Rating: 5.00 Posted on 2011-09-14 by Ady TZIDON (Solution Posted, 3 Comments) A sound advice (in Word Problems) Posted on 2011-09-12 by Ady TZIDON (Solution Posted, 1 Comments) 12 ways (in Numbers) Posted on 2011-09-08 by Ady TZIDON (No Solution Yet, 4 Comments) Five out of one (in Geometry) Posted on 2011-09-06 by Ady TZIDON (No Solution Yet, 3 Comments) Catering to sportsmen's whims (in Numbers) Rating: 5.00 Posted on 2011-09-04 by Ady TZIDON (No Solution Yet, 4 Comments) Melting the ice (in General) Rating: 5.00 Posted on 2011-09-01 by Ady TZIDON (No Solution Yet, 12 Comments) It is not hard (in Word Problems) Rating: 5.00 Posted on 2011-08-29 by Ady TZIDON (No Solution Yet, 8 Comments) Romanumerals (in Just Math) Posted on 2011-08-26 by Ady TZIDON (No Solution Yet, 1 Comments) Icy winter shifting (in Just Math) Rating: 5.00 Posted on 2011-08-24 by Ady TZIDON (Solution Posted, 4 Comments) Math pyramid (in Just Math) Posted on 2011-08-20 by Ady TZIDON (No Solution Yet, 1 Comments) Mine & thine (in Just Math) Rating: 5.00 Posted on 2011-08-19 by Ady TZIDON (No Solution Yet, 6 Comments) As easy as... ABC? ...123? (in General) Rating: 4.00 Posted on 2011-08-18 by Ady TZIDON (Solution Posted, 12 Comments) Divisible? Yes and No. (in Just Math) Posted on 2011-08-15 by Ady TZIDON (No Solution Yet, 3 Comments) Wherefrom thou comest, mylady? (in Logic) Rating: 4.67 Posted on 2011-08-11 by Ady TZIDON (Solution Posted, 4 Comments) Rating our neighbours (in Geometry) Posted on 2011-08-08 by Ady TZIDON (No Solution Yet, 2 Comments) Prove irrationality (in Just Math) Rating: 5.00 Posted on 2011-08-07 by Ady TZIDON (Solution Posted, 2 Comments) Get out of here... (in General) Rating: 5.00 Posted on 2011-08-05 by Ady TZIDON (Solution Posted, 1 Comments) How many roots? (in Just Math) Posted on 2011-07-31 by Ady TZIDON (No Solution Yet, 6 Comments) Compare (in Just Math) Posted on 2011-07-26 by Ady TZIDON (No Solution Yet, 3 Comments) Inflation or deflation? (in General) Rating: 5.00 Posted on 2011-07-25 by Ady TZIDON (No Solution Yet, 3 Comments) At the party (in Logic) Rating: 4.00 Posted on 2011-07-22 by Ady TZIDON (No Solution Yet, 2 Comments) S-olve T-his (in Word Problems) Rating: 3.67 Posted on 2011-07-17 by Ady TZIDON (No Solution Yet, 4 Comments) Close neighbors (in Just Math) Rating: 5.00 Posted on 2011-07-13 by Ady TZIDON (No Solution Yet, 4 Comments) Antimagic square (in Probability) Rating: 5.00 Posted on 2011-07-12 by Ady TZIDON (No Solution Yet, 7 Comments) Brevity is the soul of wit (in Word Problems) Posted on 2011-07-09 by Ady TZIDON (No Solution Yet, 4 Comments) 2B or B2? (in Word Problems) Rating: 4.00 Posted on 2011-07-06 by Ady TZIDON (Solution Posted, 4 Comments) Yosi will be 13 years old (in General) Rating: 5.00 Posted on 2011-07-04 by Ady TZIDON (No Solution Yet, 11 Comments) As easy as abc (in Just Math) Rating: 5.00 Posted on 2011-06-28 by Ady TZIDON (No Solution Yet, 10 Comments) A skilfull erasure (in Just Math) Posted on 2011-06-27 by Ady TZIDON (No Solution Yet, 2 Comments) Cover-up (in Shapes) Rating: 4.50 Posted on 2011-06-23 by Ady TZIDON (Solution Posted, 4 Comments) Fermat simplified (in Just Math) Posted on 2011-06-21 by Ady TZIDON (No Solution Yet, 2 Comments) By all means (in Just Math) Posted on 2011-06-16 by Ady TZIDON (Solution Posted, 5 Comments) Who said to whom and when? (in Cryptography) Posted on 2011-06-13 by Ady TZIDON (No Solution Yet, 3 Comments) Decode the double code (in Just Math) Rating: 4.00 Posted on 2011-06-09 by Ady TZIDON (No Solution Yet, 7 Comments) Missing digits (in Just Math) Rating: 3.67 Posted on 2011-06-06 by Ady TZIDON (No Solution Yet, 8 Comments) Lies all around (in Liars and Knights) Rating: 4.67 Posted on 2011-06-04 by Ady TZIDON (Solution Posted, 10 Comments) Tzidon's enigma (in Numbers) Rating: 4.00 Posted on 2011-06-01 by Ady TZIDON (Solution Posted, 1 Comments) A well-defined age (in Just Math) Posted on 2011-05-23 by Ady TZIDON (Solution Posted, 2 Comments) Take five (in Just Math) Rating: 3.67 Posted on 2011-05-22 by Ady TZIDON (Solution Posted, 2 Comments) How young is he? (in Just Math) Rating: 3.00 Posted on 2011-05-16 by Ady TZIDON (Solution Posted, 2 Comments) Sloane will not help you (in Sequences) Rating: 4.33 Posted on 2011-05-15 by Ady TZIDON (Solution Posted, 4 Comments) A Royal Question (in Word Problems) Rating: 4.50 Posted on 2011-05-13 by Ady TZIDON (Solution Posted, 2 Comments) Any Guesses? (in Sequences) Posted on 2011-05-05 by Ady TZIDON (Solution Posted, 4 Comments) An old one (in Just Math) Posted on 2011-05-02 by Ady TZIDON (Solution Posted, 1 Comments) 0 9357254 (in General) Rating: 5.00 Posted on 2011-04-29 by Ady TZIDON (Solution Posted, 5 Comments) S.O.S. partition needed!! (in Just Math) Posted on 2011-04-23 by Ady TZIDON (Solution Posted, 1 Comments) Mission impossible (in Just Math) Posted on 2011-04-18 by Ady TZIDON (Solution Posted, 2 Comments) Makes a difference (in Just Math) Posted on 2011-04-14 by Ady TZIDON (Solution Posted, 1 Comments) Not a fraction (in Just Math) Rating: 4.00 Posted on 2011-04-11 by Ady TZIDON (Solution Posted, 3 Comments) Find the area (in Numbers) Rating: 4.00 Posted on 2011-04-08 by Ady TZIDON (Solution Posted, 5 Comments) The median is shorter (in Geometry) Posted on 2011-04-04 by Ady TZIDON (Solution Posted, 1 Comments) Almost equal (in Just Math) Rating: 3.75 Posted on 2011-04-01 by Ady TZIDON (Solution Posted, 10 Comments) Back to the base (in Numbers) Rating: 3.00 Posted on 2011-03-30 by Ady TZIDON (Solution Posted, 3 Comments) Twice true (in Numbers) Rating: 4.50 Posted on 2011-03-24 by Ady TZIDON (Solution Posted, 3 Comments) My stock (in Numbers) Rating: 4.33 Posted on 2011-03-19 by Ady TZIDON (Solution Posted, 5 Comments) So many quintuplets... (in Just Math) Rating: 4.00 Posted on 2011-03-17 by Ady TZIDON (Solution Posted, 3 Comments) Neither 3 nor 6 (in Just Math) Posted on 2011-03-11 by Ady TZIDON (Solution Posted, 6 Comments) Two happy ends (in Just Math) Posted on 2011-03-07 by Ady TZIDON (Solution Posted, 11 Comments) How far can you go? (in Numbers) Rating: 4.00 Posted on 2011-03-04 by Ady TZIDON (No Solution Yet, 11 Comments) Who`s on the right base? (in Numbers) Posted on 2011-03-03 by Ady TZIDON (No Solution Yet, 1 Comments) Three W answers (in Numbers) Rating: 4.00 Posted on 2011-02-27 by Ady TZIDON (No Solution Yet, 6 Comments) Get the last digit II (in Numbers) Rating: 4.00 Posted on 2011-02-23 by Ady TZIDON (No Solution Yet, 4 Comments) EVEN remains even (in Numbers) Rating: 4.00 Posted on 2011-02-20 by Ady TZIDON (Solution Posted, 2 Comments) a) is easy, b) is not (in Just Math) Rating: 3.00 Posted on 2011-02-18 by Ady TZIDON (No Solution Yet, 8 Comments) Upgrade to 13 (in Weights and Scales) Rating: 3.00 Posted on 2011-02-16 by Ady TZIDON (No Solution Yet, 4 Comments) How would you bet? (in Probability) Posted on 2011-02-13 by Ady TZIDON (Solution Posted, 2 Comments) Find the area (in Geometry) Rating: 3.67 Posted on 2011-02-09 by Ady TZIDON (Solution Posted, 4 Comments) A small difference (in Just Math) Posted on 2011-02-07 by Ady TZIDON (No Solution Yet, 2 Comments) 241 (in Just Math) Posted on 2011-02-02 by Ady TZIDON (No Solution Yet, 4 Comments) Forty- niners (in Numbers) Rating: 4.00 Posted on 2011-02-01 by Ady TZIDON (No Solution Yet, 5 Comments) Start as you wish (in Numbers) Posted on 2011-01-29 by Ady TZIDON (No Solution Yet, 3 Comments) Forecasting dates (in Numbers) Posted on 2011-01-27 by Ady TZIDON (Solution Posted, 1 Comments) Rook vs Bishop (in Games) Posted on 2011-01-25 by Ady TZIDON (No Solution Yet, 4 Comments) Just P&P (in Numbers) Rating: 4.00 Posted on 2011-01-23 by Ady TZIDON (No Solution Yet, 6 Comments) A binary enigma (in Games) Posted on 2011-01-21 by Ady TZIDON (No Solution Yet, 5 Comments) Get the last digit (in Numbers) Rating: 4.00 Posted on 2011-01-17 by Ady TZIDON (Solution Posted, 2 Comments) I WONDER (in Logic) Rating: 4.00 Posted on 2011-01-13 by Ady TZIDON (Solution Posted, 10 Comments) Scarce primes (in Numbers) Rating: 3.67 Posted on 2011-01-10 by Ady TZIDON (No Solution Yet, 10 Comments) Powers of primes (in Numbers) Posted on 2011-01-06 by Ady TZIDON (No Solution Yet, 5 Comments) Happy New Year (in Numbers) Posted on 2011-01-01 by Ady TZIDON (No Solution Yet, 9 Comments) only one (in Numbers) Rating: 4.50 Posted on 2010-12-28 by Ady TZIDON (Solution Posted, 3 Comments) Pandigital and divisible (in Probability) Posted on 2010-12-26 by Ady TZIDON (Solution Posted, 4 Comments) Single or double (in Numbers) Rating: 4.00 Posted on 2010-12-24 by Ady TZIDON (No Solution Yet, 6 Comments) Ambiguous dice (in Just Math) Posted on 2010-12-21 by Ady TZIDON (No Solution Yet, 3 Comments) Some strings attached (in Just Math) Posted on 2010-12-19 by Ady TZIDON (No Solution Yet, 2 Comments) Nine nine-digits results (in Just Math) Posted on 2010-12-16 by Ady TZIDON (Solution Posted, 1 Comments) Hail to thee, Sofia! (in Just Math) Rating: 3.00 Posted on 2010-12-13 by Ady TZIDON (No Solution Yet, 10 Comments) Seven come eleven (in Numbers) Rating: 4.00 Posted on 2010-12-11 by Ady TZIDON (Solution Posted, 12 Comments) A piece of pie (in Just Math) Posted on 2010-12-07 by Ady TZIDON (No Solution Yet, 5 Comments) Mother of nine (in Just Math) Rating: 4.00 Posted on 2010-12-03 by Ady TZIDON (No Solution Yet, 5 Comments) Music to your ears (in Word Problems) Posted on 2010-11-28 by Ady TZIDON (No Solution Yet, 3 Comments) Triangulating a hexagon. (in Just Math) Rating: 4.00 Posted on 2010-11-24 by Ady TZIDON (No Solution Yet, 7 Comments) Count them (in Numbers) Posted on 2010-11-22 by Ady TZIDON (No Solution Yet, 2 Comments) Dudeney revisited (in Cryptography) Posted on 2010-11-20 by Ady TZIDON (No Solution Yet, 2 Comments) srebmuN desreveR (in Just Math) Rating: 3.00 Posted on 2010-11-18 by Ady TZIDON (No Solution Yet, 4 Comments) Rolling to score (in Probability) Rating: 3.33 Posted on 2010-11-15 by Ady TZIDON (No Solution Yet, 17 Comments) Magic, but limited (in Just Math) Posted on 2010-11-12 by Ady TZIDON (No Solution Yet, 1 Comments) Divides them all.... (in Numbers) Posted on 2010-11-11 by Ady TZIDON (No Solution Yet, 2 Comments) Who is afraid of 7 (or 23) ? (in Numbers) Posted on 2010-11-08 by Ady TZIDON (No Solution Yet, 5 Comments) OOO3= one out of three (in Just Math) Posted on 2010-11-04 by Ady TZIDON (No Solution Yet, 8 Comments) Abracadabra (in Word Problems) Rating: 3.00 Posted on 2010-10-29 by Ady TZIDON (Solution Posted, 3 Comments) 55th in the list (in Numbers) Posted on 2010-10-28 by Ady TZIDON (No Solution Yet, 6 Comments) Few, but active (in Just Math) Rating: 1.00 Posted on 2010-10-26 by Ady TZIDON (No Solution Yet, 4 Comments) 5 conditions to get 2 results (in Just Math) Rating: 2.50 Posted on 2010-10-21 by Ady TZIDON (No Solution Yet, 3 Comments) Big, super and prime (in Numbers) Rating: 3.00 Posted on 2010-10-20 by Ady TZIDON (No Solution Yet, 8 Comments) Look for the pairs (in Just Math) Rating: 4.00 Posted on 2010-10-15 by Ady TZIDON (No Solution Yet, 3 Comments) And her true age is... (in Just Math) Rating: 2.50 Posted on 2010-10-14 by Ady TZIDON (Solution Posted, 3 Comments) A square question (in Games) Rating: 3.00 Posted on 2010-10-12 by Ady TZIDON (No Solution Yet, 2 Comments) Prime time (in Numbers) Posted on 2010-10-08 by Ady TZIDON (No Solution Yet, 3 Comments) ABCDishes (in General) Posted on 2010-10-07 by Ady TZIDON (No Solution Yet, 10 Comments) Three forever (in Tricks) Rating: 2.75 Posted on 2010-09-30 by Ady TZIDON (No Solution Yet, 5 Comments) Roman matches (in Logic) Posted on 2010-09-28 by Ady TZIDON (No Solution Yet, 3 Comments) Nineteen triplets (in Just Math) Rating: 3.00 Posted on 2010-09-23 by Ady TZIDON (No Solution Yet, 10 Comments) Rationalize by factorials (in Numbers) Rating: 3.50 Posted on 2010-09-22 by Ady TZIDON (Solution Posted, 2 Comments) 129 again (in Numbers) Rating: 3.33 Posted on 2010-09-15 by Ady TZIDON (No Solution Yet, 6 Comments) 12 chairs (in General) Posted on 2010-09-14 by Ady TZIDON (Solution Posted, 5 Comments) Thrice three is nine (in Numbers) Rating: 4.50 Posted on 2010-09-11 by Ady TZIDON (No Solution Yet, 5 Comments) Three circles (in Calculus) Rating: 5.00 Posted on 2010-09-09 by Ady TZIDON (No Solution Yet, 3 Comments) Tennis,anyone? (in Probability) Rating: 5.00 Posted on 2010-09-07 by Ady TZIDON (Solution Posted, 7 Comments) Four sevens and one one. (in Numbers) Posted on 2010-09-06 by Ady TZIDON (Solution Posted, 7 Comments) Nostra culpa (in Numbers) Rating: 3.00 Posted on 2010-09-03 by Ady TZIDON (No Solution Yet, 5 Comments) Find my password (in Word Problems) Rating: 4.00 Posted on 2010-08-31 by Ady TZIDON (Solution Posted, 2 Comments) Decode my message. (in Cryptography) Rating: 3.00 Posted on 2010-08-30 by Ady TZIDON (No Solution Yet, 2 Comments) As easy as pie (in Word Problems) Rating: 3.00 Posted on 2010-08-26 by Ady TZIDON (Solution Posted, 17 Comments) Composite? Yes. (in Numbers) Posted on 2010-08-24 by Ady TZIDON (No Solution Yet, 3 Comments) Quite a Smithonian! (in Numbers) Rating: 3.00 Posted on 2010-08-21 by Ady TZIDON (No Solution Yet, 8 Comments) Anyway (in Numbers) Rating: 4.00 Posted on 2010-08-16 by Ady TZIDON (Solution Posted, 4 Comments) Prime, but not forever (in Sequences) Rating: 3.00 Posted on 2010-08-12 by Ady TZIDON (No Solution Yet, 1 Comments) Trust me (in Logic) Posted on 2010-08-10 by Ady TZIDON (Solution Posted, 6 Comments) Powerful and consecutive (in Numbers) Rating: 3.00 Posted on 2010-08-09 by Ady TZIDON (No Solution Yet, 16 Comments) 18-yes, 17-maybe (in Just Math) Posted on 2010-08-06 by Ady TZIDON (No Solution Yet, 4 Comments) Ramanujan enforced. (in Numbers) Posted on 2010-08-02 by Ady TZIDON (Solution Posted, 5 Comments) 5 cubes representation (in Numbers) Rating: 4.00 Posted on 2010-07-31 by Ady TZIDON (No Solution Yet, 2 Comments) POWER CHAIN. (in Sequences) Posted on 2010-07-22 by Ady TZIDON (No Solution Yet, 6 Comments) Fibo composes (in Sequences) Rating: 3.67 Posted on 2010-07-21 by Ady TZIDON (No Solution Yet, 6 Comments) Oddly divisible (in Just Math) Rating: 3.33 Posted on 2010-07-17 by Ady TZIDON (No Solution Yet, 5 Comments) Restoring the erased (in Just Math) Rating: 4.00 Posted on 2010-07-14 by Ady TZIDON (No Solution Yet, 21 Comments) FOUR OR LESS (in Numbers) Rating: 4.00 Posted on 2010-07-05 by Ady TZIDON (Solution Posted, 3 Comments) A rare event (in Numbers) Posted on 2010-07-03 by Ady TZIDON (No Solution Yet, 3 Comments) Magma et al. (in Word Problems) Rating: 4.50 Posted on 2010-06-30 by Ady TZIDON (No Solution Yet, 10 Comments) Do not D&D (in Word Problems) Rating: 3.00 Posted on 2010-06-28 by Ady TZIDON (Solution Posted, 3 Comments) The coat of many (in Word Problems) Posted on 2010-06-24 by Ady TZIDON (Solution Posted, 4 Comments) 129 digits (in Numbers) Posted on 2010-06-18 by Ady TZIDON (No Solution Yet, 6 Comments) Goldbach revisited (in Numbers) Rating: 3.00 Posted on 2010-06-12 by Ady TZIDON (Solution Posted, 3 Comments) A Magic Die (in Probability) Rating: 4.50 Posted on 2010-06-10 by Ady TZIDON (Solution Posted, 8 Comments) Chain Gang- a contest and a game (in Word Problems) Posted on 2010-05-30 by Ady TZIDON (Solution Posted, 4 Comments) Make it equal (in Numbers) Rating: 3.00 Posted on 2010-05-26 by Ady TZIDON (Solution Posted, 7 Comments) Odd primes never die (in Numbers) Rating: 3.67 Posted on 2010-05-20 by Ady TZIDON (No Solution Yet, 11 Comments) Let's count (in Numbers) Rating: 2.50 Posted on 2010-05-16 by Ady TZIDON (Solution Posted, 2 Comments) Power of two (in Just Math) Rating: 4.00 Posted on 2010-05-12 by Ady TZIDON (Solution Posted, 1 Comments) Many triplets (in Just Math) Posted on 2010-05-10 by Ady TZIDON (No Solution Yet, 6 Comments) Wins 2 - wins all (in Probability) Posted on 2010-05-06 by Ady TZIDON (No Solution Yet, 5 Comments) Up and up (in Numbers) Rating: 4.00 Posted on 2010-05-04 by Ady TZIDON (No Solution Yet, 2 Comments) Simple question gets a complicated answer (in Just Math) Rating: 3.00 Posted on 2010-05-02 by Ady TZIDON (Solution Posted, 4 Comments) All the colors in (in Probability) Rating: 5.00 Posted on 2010-04-26 by Ady TZIDON (Solution Posted, 21 Comments) Choose your neighbor (in Numbers) Posted on 2010-04-23 by Ady TZIDON (No Solution Yet, 3 Comments) Using 128 digits (in Cryptography) Posted on 2010-04-19 by Ady TZIDON (Solution Posted, 4 Comments) Unique semiprime number (in Numbers) Posted on 2010-04-17 by Ady TZIDON (Solution Posted, 2 Comments) Four or else (in Numbers) Posted on 2010-04-11 by Ady TZIDON (No Solution Yet, 9 Comments) Outstanding numbers (in Word Problems) Rating: 4.00 Posted on 2010-04-06 by Ady TZIDON (Solution Posted, 3 Comments) Try to crack the code. (in Word Problems) Rating: 4.00 Posted on 2010-04-04 by Ady TZIDON (Solution Posted, 4 Comments) Any early warnings? (in Word Problems) Rating: 4.00 Posted on 2010-04-02 by Ady TZIDON (Solution Posted, 3 Comments) Counting triplets (in Numbers) Rating: 4.00 Posted on 2010-03-31 by Ady TZIDON (Solution Posted, 7 Comments) More than one way to skin a cat (in Sequences) Posted on 2010-03-24 by Ady TZIDON (Solution Posted, 6 Comments) Gambler's triangulation (in Probability) Rating: 3.50 Posted on 2010-03-18 by Ady TZIDON (Solution Posted, 9 Comments) 45 4218 68 *559 4218 (in Numbers) Rating: 4.00 Posted on 2010-03-16 by Ady TZIDON (No Solution Yet, 3 Comments) In Harmony with averages (in Numbers) Posted on 2010-03-12 by Ady TZIDON (No Solution Yet, 2 Comments) Pigeons will like it (in Numbers) Posted on 2010-03-08 by Ady TZIDON (No Solution Yet, 2 Comments) Pythagoras knew it!! (in Numbers) Posted on 2010-03-05 by Ady TZIDON (No Solution Yet, 5 Comments) Little cubes (in Numbers) Rating: 4.00 Posted on 2010-02-27 by Ady TZIDON (Solution Posted, 5 Comments) Polish your French (in Word Problems) Posted on 2010-02-22 by Ady TZIDON (Solution Posted, 4 Comments) The three sides and the height (in Numbers) Posted on 2010-02-15 by Ady TZIDON (No Solution Yet, 4 Comments) Si fueris Romae (in Numbers) Rating: 3.60 Posted on 2010-02-12 by Ady TZIDON (Solution Posted, 5 Comments) A streetcar named Enigma (in Numbers) Rating: 4.67 Posted on 2010-02-10 by Ady TZIDON (Solution Posted, 10 Comments) Hotter and hotter (in Numbers) Rating: 2.33 Posted on 2010-02-08 by Ady TZIDON (Solution Posted, 10 Comments) Lucky seven (in Numbers) Rating: 4.00 Posted on 2010-02-05 by Ady TZIDON (Solution Posted, 5 Comments) My travel IN SOME ORDER (in Numbers) Posted on 2010-02-01 by Ady TZIDON (Solution Posted, 1 Comments) Enough is enough (in Games) Posted on 2010-01-29 by Ady TZIDON (No Solution Yet, 4 Comments) four or more (in Numbers) Rating: 4.00 Posted on 2010-01-25 by Ady TZIDON (Solution Posted, 2 Comments) BIG , BIGGER , BIGGEST (in Numbers) Rating: 3.00 Posted on 2004-08-12 by Ady TZIDON (Solution Posted, 8 Comments) A square (in Numbers) Rating: 3.14 Posted on 2004-06-25 by Ady TZIDON (Solution Posted, 15 Comments) my house's number (in Numbers) Rating: 4.50 Posted on 2004-06-21 by Ady TZIDON (Solution Posted, 32 Comments) The odds stay unchanged (in Just Math) Rating: 4.27 Posted on 2004-06-17 by Ady TZIDON (Solution Posted, 21 Comments) Easy does it (in Numbers) Rating: 5.00 Posted on 2016-03-26 by Ady TZIDON (No Solution Yet, 2 Comments) |
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