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Search results for problems posted by Ady TZIDON :

3 cubes (in Numbers)
Posted on 2018-06-21 by Ady TZIDON (No Solution Yet, 2 Comments)

Non-zero integers (in Just Math)
Posted on 2018-06-20 by Ady TZIDON (No Solution Yet, 3 Comments)

Space guys (in Just Math)
Posted on 2018-06-19 by Ady TZIDON (No Solution Yet, 2 Comments)

Counting ones (in Just Math)
Posted on 2018-06-18 by Ady TZIDON (No Solution Yet, 2 Comments)

Zero is the last digit of S (in Numbers) Rating: 5.00
Posted on 2018-06-16 by Ady TZIDON (No Solution Yet, 2 Comments)

Looking for a square result (in Just Math)
Posted on 2018-06-14 by Ady TZIDON (No Solution Yet, 18 Comments)

Cubes of couples (in Numbers)
Posted on 2018-06-12 by Ady TZIDON (No Solution Yet, 2 Comments)

Evaluate probability (in Probability)
Posted on 2018-06-11 by Ady TZIDON (No Solution Yet, 1 Comments)

How fast can you solve it? (in Just Math)
Posted on 2018-06-10 by Ady TZIDON (No Solution Yet, 1 Comments)

Define number n in n letters (in General)
Posted on 2018-06-08 by Ady TZIDON (No Solution Yet, 4 Comments)

a NEWS puzzle (in Just Math)
Posted on 2018-06-07 by Ady TZIDON (No Solution Yet, 1 Comments)

Palindrome in 4 steps (in Numbers)
Posted on 2018-06-06 by Ady TZIDON (No Solution Yet, 4 Comments)

Sort it out ! (in Just Math)
Posted on 2018-06-05 by Ady TZIDON (No Solution Yet, 1 Comments)

Optimal result (in Just Math)
Posted on 2018-06-04 by Ady TZIDON (No Solution Yet, 11 Comments)

Equidistant point (in Geometry) Rating: 2.00
Posted on 2018-06-03 by Ady TZIDON (No Solution Yet, 4 Comments)

Ls, Os & Ses left ... (in Word Problems) Rating: 3.00
Posted on 2018-06-01 by Ady TZIDON (No Solution Yet, 3 Comments)

Using its own digits (in Numbers)
Posted on 2018-05-31 by Ady TZIDON (Solution Posted, 9 Comments)

Thinking octal (in Numbers)
Posted on 2018-05-30 by Ady TZIDON (Solution Posted, 2 Comments)

State of art (in Numbers)
Posted on 2018-05-29 by Ady TZIDON (No Solution Yet, 1 Comments)

Pascal revisited (in Numbers) Rating: 3.00
Posted on 2018-05-28 by Ady TZIDON (No Solution Yet, 1 Comments)

What is the value of D? (in Just Math)
Posted on 2018-05-27 by Ady TZIDON (No Solution Yet, 1 Comments)

Ascending order (in Numbers)
Posted on 2018-05-26 by Ady TZIDON (Solution Posted, 1 Comments)

How many drinks do you need? (in Numbers)
Posted on 2018-05-25 by Ady TZIDON (Solution Posted, 1 Comments)

495 and 6174 (in Numbers)
Posted on 2018-05-24 by Ady TZIDON (Solution Posted, 3 Comments)

Self-numbers and generators (in Numbers)
Posted on 2018-05-23 by Ady TZIDON (No Solution Yet, 8 Comments)

High and low (in Word Problems)
Posted on 2018-05-21 by Ady TZIDON (Solution Posted, 3 Comments)

SI O NO ? (in General) Rating: 3.00
Posted on 2018-05-19 by Ady TZIDON (Solution Posted, 3 Comments)

Will take some time ?? (in Numbers)
Posted on 2018-05-18 by Ady TZIDON (Solution Posted, 5 Comments)

Just 3 digits (in Sequences)
Posted on 2018-05-17 by Ady TZIDON (Solution Posted, 4 Comments)

From primes to palindromes (in Numbers)
Posted on 2018-05-16 by Ady TZIDON (No Solution Yet, 4 Comments)

Explain Plato's affinity (in Numbers) Rating: 5.00
Posted on 2018-05-15 by Ady TZIDON (No Solution Yet, 3 Comments)

A reason to complain (in Numbers)
Posted on 2018-05-12 by Ady TZIDON (Solution Posted, 1 Comments)

2 capitals (in Word Problems)
Posted on 2018-05-11 by Ady TZIDON (No Solution Yet, 3 Comments)

How about 138? (in Sequences)
Posted on 2018-05-10 by Ady TZIDON (No Solution Yet, 4 Comments)

From NPR (in Just Math)
Posted on 2018-05-08 by Ady TZIDON (No Solution Yet, 1 Comments)

Unique definition (in Numbers)
Posted on 2018-05-07 by Ady TZIDON (No Solution Yet, 1 Comments)

Strongly related (in Just Math)
Posted on 2018-05-05 by Ady TZIDON (Solution Posted, 1 Comments)

190 couples (in Numbers) Rating: 3.00
Posted on 2018-05-03 by Ady TZIDON (Solution Posted, 2 Comments)

It is not 42 (in Numbers)
Posted on 2018-04-29 by Ady TZIDON (No Solution Yet, 1 Comments)

Areas equalizer (in Geometry)
Posted on 2018-04-28 by Ady TZIDON (No Solution Yet, 1 Comments)

IMPROVED? (in Just Math)
Posted on 2018-04-27 by Ady TZIDON (No Solution Yet, 3 Comments)

Two random points (in Probability)
Posted on 2018-04-26 by Ady TZIDON (No Solution Yet, 10 Comments)

Pandigital set II (in Numbers)
Posted on 2018-04-23 by Ady TZIDON (No Solution Yet, 1 Comments)

Partitura (in Numbers)
Posted on 2018-04-21 by Ady TZIDON (Solution Posted, 2 Comments)

A primer in Malaga (in Numbers)
Posted on 2018-04-19 by Ady TZIDON (Solution Posted, 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) Rating: 5.00
Posted on 2018-04-14 by Ady TZIDON (No Solution Yet, 5 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, 5 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 Erdős (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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