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Unsolved Problems :
Delete a Letter, get a New Word (in Word Problems) Posted on 2023-11-29 by K Sengupta (No Solution Yet, 1 Comments) Letter Categories (in Shapes) Posted on 2023-11-29 by Larry (No Solution Yet, 2 Comments) Bug on a Cube 2 (in Probability) Posted on 2023-11-27 by Jer (No Solution Yet, 5 Comments) Lighthouse Crossed Three Lights Mashup (in General) Posted on 2023-11-27 by Brian Smith (No Solution Yet, 3 Comments) Power growth (in Just Math) Posted on 2023-11-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Embedded Digital Product (in Numbers) Posted on 2023-11-25 by K Sengupta (No Solution Yet, 2 Comments) Elementary, my dear Watson. (in Cryptography) Posted on 2023-11-25 by broll (No Solution Yet, 4 Comments) Inflection Point Line (in Just Math) Posted on 2023-11-24 by Brian Smith (No Solution Yet, 2 Comments) Pentagon maximized (in Geometry) Posted on 2023-11-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Square sweep (in Geometry) Posted on 2023-11-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Dissected square with center intact (in Shapes) Posted on 2023-11-21 by Jer (No Solution Yet, 3 Comments) Nine Pandigital Primes (in Numbers) Posted on 2023-11-20 by K Sengupta (No Solution Yet, 0 Comments) Find all possible pairs (in Just Math) Posted on 2023-11-19 by Ady TZIDON (No Solution Yet, 2 Comments) Mayday (in Games) Posted on 2023-11-18 by Ady TZIDON (No Solution Yet, 1 Comments) Prime pair (in Just Math) Posted on 2023-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A Limit of Sum Expressions (in Numbers) Posted on 2023-11-16 by Brian Smith (No Solution Yet, 2 Comments) Ten Squares (in Numbers) Posted on 2023-11-13 by K Sengupta (No Solution Yet, 4 Comments) Pandigital and Pretty Powerful VI (in Numbers) Posted on 2023-11-13 by K Sengupta (No Solution Yet, 3 Comments) Smells Trigonometric (in Just Math) Posted on 2023-11-12 by Danish Ahmed Khan (No Solution Yet, 4 Comments) An insane puzzle (in Liars and Knights) Rating: 5.00 Posted on 2023-11-11 by Math Man (No Solution Yet, 9 Comments) House Numbers on the Clock Street (in Numbers) Posted on 2023-11-10 by K Sengupta (No Solution Yet, 1 Comments) Two cases (in Sequences) Posted on 2023-11-10 by Ady TZIDON (No Solution Yet, 4 Comments) Four Squares II (in Numbers) Posted on 2023-11-09 by K Sengupta (No Solution Yet, 2 Comments) Both Squares (in Numbers) Posted on 2023-11-07 by K Sengupta (No Solution Yet, 2 Comments) complex trigonometry (in Just Math) Posted on 2023-11-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Simplify Ratio of Expressions (in Just Math) Posted on 2023-11-06 by K Sengupta (No Solution Yet, 3 Comments) Exponential and Natural 2 (in Calculus) Posted on 2023-11-05 by K Sengupta (No Solution Yet, 1 Comments) Those were the days, my friend (in General) Rating: 5.00 Posted on 2023-11-04 by Ady TZIDON (No Solution Yet, 2 Comments) Eighth Powers (in Numbers) Posted on 2023-11-04 by K Sengupta (No Solution Yet, 3 Comments) N^2 and N^3 (in Numbers) Rating: 5.00 Posted on 2023-11-03 by Larry (No Solution Yet, 2 Comments) Some Even and Odd Crossed Difference (in Numbers) Posted on 2023-11-03 by K Sengupta (No Solution Yet, 3 Comments) Eight Pandigital Primes (in Numbers) Posted on 2023-11-02 by K Sengupta (No Solution Yet, 3 Comments) 96 Tees (in Numbers) Posted on 2023-11-01 by Larry (No Solution Yet, 2 Comments) All possible real values (in Just Math) Posted on 2023-11-01 by K Sengupta (No Solution Yet, 3 Comments) LCM and Equality Puzzle 2 (in Just Math) Posted on 2023-10-31 by Brian Smith (No Solution Yet, 2 Comments) Count the acceptable permutations (in Numbers) Posted on 2023-10-30 by Ady TZIDON (No Solution Yet, 3 Comments) One+One=One (in Word Problems) Posted on 2023-10-30 by K Sengupta (No Solution Yet, 1 Comments) Consider prime numbers, get cube 2 (in Numbers) Posted on 2023-10-30 by broll (No Solution Yet, 4 Comments) Three Pandigital Cube (in Numbers) Posted on 2023-10-29 by K Sengupta (No Solution Yet, 4 Comments) 123456 Triangle (in Numbers) Posted on 2023-10-28 by K Sengupta (No Solution Yet, 1 Comments) Big Palindrome (in Numbers) Posted on 2023-10-28 by K Sengupta (No Solution Yet, 2 Comments) Sum of the Digits 2 (in Numbers) Posted on 2023-10-27 by K Sengupta (No Solution Yet, 4 Comments) ABCD Simultaneous (in Numbers) Posted on 2023-10-24 by K Sengupta (No Solution Yet, 2 Comments) EMIRP pair inside a PRIME (in Numbers) Posted on 2023-10-19 by Larry (No Solution Yet, 1 Comments) Sum of the unknowns (in Numbers) Posted on 2023-10-18 by Ady TZIDON (No Solution Yet, 2 Comments) Sixth powers (in Numbers) Posted on 2023-10-16 by Ady TZIDON (No Solution Yet, 2 Comments) half power (in Just Math) Posted on 2023-10-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Factorials' product (in Numbers) Posted on 2023-10-10 by Ady TZIDON (No Solution Yet, 3 Comments) Locus in a triangle (in Geometry) Rating: 4.00 Posted on 2023-10-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments) n-Pandigital and k-Divisible (in Numbers) Posted on 2023-10-08 by Larry (No Solution Yet, 1 Comments) Prime power pair (in Just Math) Posted on 2023-10-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Grandma (in Numbers) Posted on 2023-10-07 by K Sengupta (No Solution Yet, 1 Comments) How Mean Is It? (in Just Math) Posted on 2023-10-07 by K Sengupta (No Solution Yet, 2 Comments) Introducing Nova numbers (in General) Rating: 1.00 Posted on 2023-10-06 by Ady TZIDON (No Solution Yet, 4 Comments) Cubic equation relation (in Just Math) Posted on 2023-10-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Math in letters 2 (in Just Math) Rating: 4.67 Posted on 2023-10-04 by Math Man (No Solution Yet, 4 Comments) Special demands (in Just Math) Posted on 2023-10-02 by Ady TZIDON (No Solution Yet, 7 Comments) Find Another Function (in Just Math) Posted on 2023-10-01 by K Sengupta (No Solution Yet, 1 Comments) Sock Sorting Space (in Probability) Posted on 2023-09-30 by Jer (No Solution Yet, 2 Comments) What number is ALUMINE? (in Numbers) Posted on 2023-09-30 by K Sengupta (No Solution Yet, 7 Comments) Crossing the x axis (in Just Math) Posted on 2023-09-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Near powers (in Numbers) Posted on 2023-09-28 by broll (No Solution Yet, 2 Comments) 3 circles in a sliced square II (in Shapes) Posted on 2023-09-26 by Jer (No Solution Yet, 0 Comments) Integers only (in Sequences) Posted on 2023-09-25 by Ady TZIDON (No Solution Yet, 6 Comments) One number missing (in Numbers) Rating: 4.00 Posted on 2023-09-25 by Ady TZIDON (No Solution Yet, 3 Comments) Checking the quantity (in Numbers) Posted on 2023-09-23 by Ady TZIDON (No Solution Yet, 8 Comments) Concatenated Pandigital (in Numbers) Posted on 2023-09-23 by Larry (No Solution Yet, 2 Comments) 3 circles in a sliced square (in Geometry) Posted on 2023-09-22 by Jer (No Solution Yet, 2 Comments) Tiling with Triominoes (in Shapes) Posted on 2023-09-22 by Brian Smith (No Solution Yet, 6 Comments) Inserting a number into 2023 (in Numbers) Posted on 2023-09-20 by Ady TZIDON (No Solution Yet, 2 Comments) Marquez's Equation 2 (in Numbers) Posted on 2023-09-20 by K Sengupta (No Solution Yet, 2 Comments) Reversing Minute Hand Clock (in Just Math) Posted on 2023-09-19 by Larry (No Solution Yet, 1 Comments) 3 unknowns (in Just Math) Posted on 2023-09-18 by Ady TZIDON (No Solution Yet, 4 Comments) Golden sine (in Just Math) Rating: 4.00 Posted on 2023-09-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Sawtooth Sum Settlement (in Just Math) Posted on 2023-09-17 by K Sengupta (No Solution Yet, 1 Comments) From the root of cubic polynomial (in Just Math) Rating: 4.50 Posted on 2023-09-16 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Polynomial and exponential (in Just Math) Posted on 2023-09-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A cubic equation (in Just Math) Rating: 4.00 Posted on 2023-09-14 by Ady TZIDON (No Solution Yet, 2 Comments) Symmetric expressions (in Just Math) Posted on 2023-09-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Double Embedding (in Numbers) Posted on 2023-09-13 by K Sengupta (No Solution Yet, 1 Comments) Minimum of an expression (in Just Math) Rating: 4.00 Posted on 2023-09-12 by Ady TZIDON (No Solution Yet, 3 Comments) Integer factorial fraction (in Numbers) Posted on 2023-09-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Accuracy Ascertainment (in Probability) Rating: 4.00 Posted on 2023-09-11 by K Sengupta (No Solution Yet, 6 Comments) Bulbs and Switches III (in Probability) Posted on 2023-09-10 by K Sengupta (No Solution Yet, 0 Comments) Is It Rational? (in Just Math) Posted on 2023-09-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Fractional side constraint (in Just Math) Posted on 2023-09-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Unique and restricted (in Word Problems) Rating: 5.00 Posted on 2023-09-06 by Ady TZIDON (No Solution Yet, 10 Comments) The tangent formula (in Just Math) Rating: 4.00 Posted on 2023-09-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Side constraint for maximizing area (in Just Math) Posted on 2023-09-04 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Matrix probability (in Probability) Posted on 2023-09-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Powerful Parade (in Numbers) Rating: 4.00 Posted on 2023-09-03 by Ady TZIDON (No Solution Yet, 5 Comments) Triangle at a square corner (in General) Posted on 2023-09-02 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Radical Real Value Resolution (in Just Math) Posted on 2023-09-01 by K Sengupta (No Solution Yet, 2 Comments) Only one real answer (in Just Math) Rating: 5.00 Posted on 2023-09-01 by Ady TZIDON (No Solution Yet, 2 Comments) Intermediate between two functions (in Calculus) Posted on 2023-08-31 by Danish Ahmed Khan (No Solution Yet, 0 Comments) lcm divided by gcd (in Just Math) Posted on 2023-08-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Ten not welcomed... (in Probability) Posted on 2023-08-30 by Ady TZIDON (No Solution Yet, 2 Comments) Book page number (in Just Math) Posted on 2023-08-29 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Square off from rectangle (in Just Math) Rating: 4.00 Posted on 2023-08-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Find pairs by Euclid (in Just Math) Posted on 2023-08-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Easy rhombus angle measurement (in Geometry) Posted on 2023-08-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Parabola triangle (in Just Math) Posted on 2023-08-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Concatenated Triangular Numbers (in Numbers) Rating: 4.00 Posted on 2023-08-25 by K Sengupta (No Solution Yet, 4 Comments) So many pairs... (in Just Math) Posted on 2023-08-24 by Ady TZIDON (No Solution Yet, 3 Comments) A clock area (in Just Math) Posted on 2023-08-23 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Near pi Equation Solution Settlement (in Just Math) Posted on 2023-08-23 by K Sengupta (No Solution Yet, 3 Comments) Logic of pets (in Logic) Rating: 4.50 Posted on 2023-08-21 by Math Man (No Solution Yet, 5 Comments) Minimum distance between sets (in Just Math) Posted on 2023-08-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Similar triangle split (in Geometry) Posted on 2023-08-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Square Crossed Linear Expression Poser (in Numbers) Rating: 5.00 Posted on 2023-08-18 by K Sengupta (No Solution Yet, 2 Comments) Age function (in Just Math) Posted on 2023-08-17 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Cheap or expensive (in Numbers) Posted on 2023-08-16 by Ady TZIDON (No Solution Yet, 3 Comments) Obtuse triangle from equilateral triangle (in Geometry) Rating: 4.50 Posted on 2023-08-14 by Jer (No Solution Yet, 4 Comments) Explore a diophantine equation (in Just Math) Posted on 2023-08-14 by Ady TZIDON (No Solution Yet, 6 Comments) Power to factorial (in Just Math) Rating: 4.00 Posted on 2023-08-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Cubic roots manipulation (in Just Math) Posted on 2023-08-12 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Value Validation II (in Just Math) Posted on 2023-08-12 by K Sengupta (No Solution Yet, 2 Comments) A positive determinant (in Just Math) Posted on 2023-08-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Some Near Pythagorean Integers Sum to Squares (in Numbers) Rating: 5.00 Posted on 2023-08-11 by K Sengupta (No Solution Yet, 3 Comments) 5 Pandigital Primes (in Numbers) Posted on 2023-08-10 by K Sengupta (No Solution Yet, 2 Comments) Four Powers (in Just Math) Rating: 4.00 Posted on 2023-08-10 by Ady TZIDON (No Solution Yet, 2 Comments) Card rotation (in Just Math) Posted on 2023-08-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Maximize Rectangle on Semicircle in Triangle (in Calculus) Posted on 2023-08-08 by Larry (No Solution Yet, 4 Comments) Even and Odd Products (in Numbers) Posted on 2023-08-07 by K Sengupta (No Solution Yet, 1 Comments) Ten-thousands Digit Determination (in Numbers) Rating: 4.00 Posted on 2023-08-06 by K Sengupta (No Solution Yet, 3 Comments) Easy KISS problem (in Just Math) Posted on 2023-08-04 by Ady TZIDON (No Solution Yet, 4 Comments) 3 perfect squares (in Just Math) Rating: 3.00 Posted on 2023-08-01 by Ady TZIDON (No Solution Yet, 6 Comments) Cosine ratio to Sine (in Just Math) Posted on 2023-08-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Circle's convergence (in Just Math) Posted on 2023-07-31 by Jer (No Solution Yet, 3 Comments) Irrational powered equation (in Just Math) Posted on 2023-07-30 by Danish Ahmed Khan (No Solution Yet, 3 Comments) 7-11 game payoffs (in Probability) Posted on 2023-07-29 by Ady TZIDON (No Solution Yet, 2 Comments) Seven-digit Number (in Numbers) Rating: 5.00 Posted on 2023-07-28 by Larry (No Solution Yet, 5 Comments) Simple composite number (in Numbers) Posted on 2023-07-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Restricted ternary numbers (in Numbers) Posted on 2023-07-24 by Ady TZIDON (No Solution Yet, 4 Comments) Consecutive inequality (in Numbers) Posted on 2023-07-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Forming a formula (in Just Math) Posted on 2023-07-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Simultaneous equation (in Just Math) Posted on 2023-07-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Pairs by rearranging (in Just Math) Posted on 2023-07-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Identical Digit Baffle III (in Numbers) Posted on 2023-07-22 by K Sengupta (No Solution Yet, 3 Comments) Divisor count ratio (in Just Math) Posted on 2023-07-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Concatenate Three Primes, Make Six Primes (in Numbers) Posted on 2023-07-20 by Larry (No Solution Yet, 1 Comments) Trisected segment (in Geometry) Posted on 2023-07-18 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Maharaja's diamonds (in Just Math) Rating: 5.00 Posted on 2023-07-17 by Ady TZIDON (No Solution Yet, 4 Comments) Prime power pairs (in Just Math) Posted on 2023-07-16 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Simultaneous inequality? (in Just Math) Posted on 2023-07-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Maximize Pyramid (in Shapes) Posted on 2023-07-14 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Only two digits (in Probability) Posted on 2023-07-14 by Ady TZIDON (No Solution Yet, 5 Comments) Cubic Summation divisibility (in Numbers) Posted on 2023-07-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Triangle of Sticks (in Just Math) Posted on 2023-07-11 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Find the matching word (in General) Posted on 2023-07-10 by Ady TZIDON (No Solution Yet, 1 Comments) Trigonometry with altitudes (in Geometry) Posted on 2023-07-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Binomial Coefficient Crossed GCD Concern (in Numbers) Posted on 2023-07-08 by K Sengupta (No Solution Yet, 0 Comments) Sick flick (in Word Problems) Rating: 5.00 Posted on 2023-07-08 by Math Man (No Solution Yet, 4 Comments) Parabolas hugging a hexagon (in Geometry) Rating: 4.33 Posted on 2023-07-07 by Jer (No Solution Yet, 8 Comments) Finding 2022nd derivative (in Calculus) Posted on 2023-07-07 by K Sengupta (No Solution Yet, 11 Comments) Dodecagon Based Pyramid (in Shapes) Posted on 2023-07-06 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Cubic Root Comparison (in Just Math) Rating: 5.00 Posted on 2023-07-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Let there be Light! (in Science) Posted on 2023-07-04 by Kenny M (No Solution Yet, 3 Comments) Radar decoded (in Just Math) Posted on 2023-07-01 by Ady TZIDON (No Solution Yet, 9 Comments) Ranging roots (in Just Math) Posted on 2023-06-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Recover the faulty word (in Word Problems) Posted on 2023-06-29 by Ady TZIDON (No Solution Yet, 7 Comments) Try a tricky solution (in Just Math) Posted on 2023-06-28 by Ady TZIDON (No Solution Yet, 6 Comments) Golden Substitution (in Just Math) Posted on 2023-06-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Diamond and Graphite (in Science) Posted on 2023-06-27 by K Sengupta (No Solution Yet, 2 Comments) Vigorous derivative? (in Calculus) Posted on 2023-06-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The Strange Behavior of i (in Tricks) Posted on 2023-06-26 by K Sengupta (No Solution Yet, 1 Comments) More solutions, please (in Just Math) Posted on 2023-06-23 by Jer (No Solution Yet, 3 Comments) Sliding pennies #4 (in General) Posted on 2023-06-22 by K Sengupta (No Solution Yet, 2 Comments) Minimizing disjoint sum (in Just Math) Posted on 2023-06-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Sliding pennies #3 (in General) Rating: 5.00 Posted on 2023-06-13 by K Sengupta (No Solution Yet, 0 Comments) Pick two (in Probability) Posted on 2023-06-08 by Jer (No Solution Yet, 2 Comments) Coded Crossword 4 (in Cryptography) Posted on 2023-06-07 by Math Man (No Solution Yet, 3 Comments) The determinant is divisible by three (in Just Math) Posted on 2023-06-05 by Ady TZIDON (No Solution Yet, 3 Comments) Surprising answer III (in Numbers) Posted on 2023-06-04 by Ady TZIDON (No Solution Yet, 6 Comments) Friendly numbers (in Numbers) Posted on 2023-06-02 by Jer (No Solution Yet, 4 Comments) Unsolved (so far) problem (in General) Posted on 2023-05-31 by Ady TZIDON (No Solution Yet, 3 Comments) Evaluate sin(6°) (in Just Math) Posted on 2023-05-26 by Ady TZIDON (No Solution Yet, 4 Comments) Quick estimate (in Numbers) Rating: 1.00 Posted on 2023-05-24 by Ady TZIDON (No Solution Yet, 11 Comments) Cute equation. (in Just Math) Posted on 2023-05-24 by Ady TZIDON (No Solution Yet, 1 Comments) He gave me S and asked for X (in Just Math) Rating: 3.00 Posted on 2023-05-23 by Ady TZIDON (No Solution Yet, 4 Comments) From M to N (in Just Math) Posted on 2023-05-22 by Ady TZIDON (No Solution Yet, 4 Comments) Almost Tic-Tac-Toe (in Games) Posted on 2023-05-20 by K Sengupta (No Solution Yet, 2 Comments) 18 Integers, 36 digits (in Numbers) Posted on 2023-05-19 by Larry (No Solution Yet, 1 Comments) Unit square overlap II (in Calculus) Posted on 2023-05-18 by Jer (No Solution Yet, 2 Comments) Twelve (in Sequences) Posted on 2023-05-17 by Ady TZIDON (No Solution Yet, 4 Comments) Unit square overlap I (in Calculus) Posted on 2023-05-12 by Jer (No Solution Yet, 7 Comments) Large factor product (in Numbers) Rating: 5.00 Posted on 2023-05-10 by Jer (No Solution Yet, 4 Comments) Cryptarithmetic Crossed Geometric Mean Poser (in Numbers) Posted on 2023-05-10 by K Sengupta (No Solution Yet, 2 Comments) High powers involved (in Just Math) Posted on 2023-05-09 by Ady TZIDON (No Solution Yet, 6 Comments) Wanted: the value(s) of the polynomial (in Just Math) Posted on 2023-05-09 by Ady TZIDON (No Solution Yet, 1 Comments) Rock smashing competition (in Probability) Posted on 2023-05-08 by Jer (No Solution Yet, 7 Comments) May I help you ? (in Cryptography) Posted on 2023-05-08 by Ady TZIDON (No Solution Yet, 1 Comments) Take five (in Just Math) Posted on 2023-05-06 by Ady TZIDON (No Solution Yet, 3 Comments) Math, not magic (in Just Math) Posted on 2023-05-05 by Ady TZIDON (No Solution Yet, 2 Comments) Ones and Twos (in Just Math) Posted on 2023-05-04 by Ady TZIDON (No Solution Yet, 4 Comments) Find the Function (in Just Math) Posted on 2023-05-04 by Ady TZIDON (No Solution Yet, 2 Comments) Pick 6 get power of 6 (in Numbers) Posted on 2023-05-03 by Jer (No Solution Yet, 8 Comments) Counting the wounded (in Just Math) Posted on 2023-05-03 by Ady TZIDON (No Solution Yet, 2 Comments) Mission impossible? (in Numbers) Posted on 2023-05-02 by Ady TZIDON (No Solution Yet, 1 Comments) A Complex Equation (in Just Math) Rating: 4.00 Posted on 2023-04-28 by Ady TZIDON (No Solution Yet, 4 Comments) A polynomial equation (in Just Math) Posted on 2023-04-26 by Ady TZIDON (No Solution Yet, 8 Comments) Ay. ay. ay (in Just Math) Posted on 2023-04-23 by Ady TZIDON (No Solution Yet, 3 Comments) Rebus (in Word Problems) Posted on 2023-04-21 by Ady TZIDON (No Solution Yet, 1 Comments) Triple seven power (in Just Math) Rating: 3.00 Posted on 2023-04-21 by Ady TZIDON (No Solution Yet, 14 Comments) Prime sums (in Numbers) Rating: 5.00 Posted on 2023-04-19 by Math Man (No Solution Yet, 3 Comments) Function of a function (in Just Math) Posted on 2023-04-14 by Ady TZIDON (No Solution Yet, 4 Comments) Nice infinite series (in Sequences) Posted on 2023-04-11 by Ady TZIDON (No Solution Yet, 3 Comments) Conjugate and radical equation (in Just Math) Posted on 2023-04-11 by Ady TZIDON (No Solution Yet, 3 Comments) Basic trigo equation (in Just Math) Posted on 2023-04-10 by Ady TZIDON (No Solution Yet, 2 Comments) Carpe Diem (in Numbers) Rating: 4.00 Posted on 2023-04-07 by Ady TZIDON (No Solution Yet, 5 Comments) Seems unlikely, but is not … (in Just Math) Posted on 2023-04-06 by Ady TZIDON (No Solution Yet, 3 Comments) Factorials galore (in Sequences) Rating: 5.00 Posted on 2023-04-04 by Ady TZIDON (No Solution Yet, 2 Comments) Floored parabola (in Just Math) Posted on 2023-04-03 by Jer (No Solution Yet, 4 Comments) An irrational answer (in Numbers) Posted on 2023-03-30 by Ady TZIDON (No Solution Yet, 6 Comments) 52-card lottery (in Probability) Rating: 5.00 Posted on 2023-03-29 by Ady TZIDON (No Solution Yet, 11 Comments) Tea Team Quickie (in Numbers) Posted on 2023-03-28 by K Sengupta (No Solution Yet, 3 Comments) Three sins (in Just Math) Rating: 4.00 Posted on 2023-03-26 by Ady TZIDON (No Solution Yet, 1 Comments) Ternary Multiplication Algorithm (in Algorithms) Posted on 2023-03-24 by Larry (No Solution Yet, 1 Comments) NYT Vertex puzzle query (in Games) Posted on 2023-03-23 by Jer (No Solution Yet, 4 Comments) Power after power (in Just Math) Posted on 2023-03-22 by Ady TZIDON (No Solution Yet, 3 Comments) Fifth Powers (in Just Math) Rating: 4.00 Posted on 2023-03-21 by Ady TZIDON (No Solution Yet, 3 Comments) Two ways to solve (in Just Math) Rating: 4.00 Posted on 2023-03-20 by Ady TZIDON (No Solution Yet, 3 Comments) Find the algorithm (in Sequences) Posted on 2023-03-17 by Ady TZIDON (No Solution Yet, 1 Comments) 6 teams (in Probability) Posted on 2023-03-17 by Ady TZIDON (No Solution Yet, 11 Comments) 3 circles in a rectangle (in Geometry) Rating: 5.00 Posted on 2023-03-16 by Ady TZIDON (No Solution Yet, 2 Comments) Comparing results (in Probability) Posted on 2023-03-15 by Ady TZIDON (No Solution Yet, 1 Comments) Sum of two squares (in Numbers) Rating: 5.00 Posted on 2023-03-14 by Ady TZIDON (No Solution Yet, 4 Comments) 2 square roots (in Just Math) Rating: 4.00 Posted on 2023-03-12 by Ady TZIDON (No Solution Yet, 14 Comments) A troublesome number puzzle (in Numbers) Posted on 2023-03-10 by Jer (No Solution Yet, 2 Comments) SupraRef Indexing (in Paradoxes) Posted on 2023-03-10 by K Sengupta (No Solution Yet, 1 Comments) Competing friends (in Probability) Posted on 2023-03-08 by Ady TZIDON (No Solution Yet, 2 Comments) A simple p&p equation (in Just Math) Posted on 2023-03-06 by Ady TZIDON (No Solution Yet, 2 Comments) Types of Transportation (in Word Problems) Posted on 2023-03-05 by Math Man (No Solution Yet, 1 Comments) Two vending machines (in Probability) Posted on 2023-03-02 by Ady TZIDON (No Solution Yet, 2 Comments) WG’s quintuple (in Numbers) Rating: 4.00 Posted on 2023-02-28 by Ady TZIDON (No Solution Yet, 3 Comments) Evaluate x (in Just Math) Posted on 2023-02-25 by Ady TZIDON (No Solution Yet, 4 Comments) Line Up 2 (in Games) Posted on 2023-02-24 by K Sengupta (No Solution Yet, 2 Comments) Triplet Trouble (in Sequences) Posted on 2023-02-23 by Larry (No Solution Yet, 2 Comments) Possible Pisano Poser? (in Numbers) Rating: 4.00 Posted on 2023-02-21 by K Sengupta (No Solution Yet, 4 Comments) 4 distinct pairs (in Just Math) Posted on 2023-02-20 by Ady TZIDON (No Solution Yet, 5 Comments) Eyed at cab (in Riddles) Posted on 2023-02-09 by Steven Lord (No Solution Yet, 0 Comments) sod(N) = pod(sqrt(N)) (in Numbers) Posted on 2023-02-09 by Larry (No Solution Yet, 3 Comments) Packing similar rectangles (in Shapes) Posted on 2023-02-08 by Jer (No Solution Yet, 3 Comments) Name the base (in Just Math) Rating: 4.00 Posted on 2023-02-07 by Ady TZIDON (No Solution Yet, 4 Comments) Comb polyominos (in Shapes) Posted on 2023-02-06 by Jer (No Solution Yet, 1 Comments) Prisons foes (in Word Problems) Posted on 2023-02-02 by Ady TZIDON (No Solution Yet, 5 Comments) Partially filled cone (in Geometry) Posted on 2023-02-01 by Jer (No Solution Yet, 3 Comments) Integers with Happy, Healthy Babies (in Numbers) Posted on 2023-01-26 by Larry (No Solution Yet, 1 Comments) Ducks in a pond (in Probability) Rating: 5.00 Posted on 2023-01-24 by Jer (No Solution Yet, 17 Comments) LCM, Sum and Product Puzzle (in Numbers) Posted on 2023-01-13 by K Sengupta (No Solution Yet, 3 Comments) Three digits (in Numbers) Rating: 5.00 Posted on 2023-01-10 by Math Man (No Solution Yet, 4 Comments) 1 2 3 4. How high is your score? (in Numbers) Posted on 2023-01-03 by Ady TZIDON (No Solution Yet, 2 Comments) Bless you, Blaise! (in Probability) Posted on 2022-12-31 by Ady TZIDON (No Solution Yet, 2 Comments) Gaussian Rectangle Problem (in Just Math) Posted on 2022-12-23 by Brian Smith (No Solution Yet, 4 Comments) Ukraine war (in Word Problems) Posted on 2022-12-21 by Ady TZIDON (No Solution Yet, 3 Comments) More Tangential Trapezoids (in Geometry) Posted on 2022-12-16 by Brian Smith (No Solution Yet, 4 Comments) Take it EZ (in Just Math) Rating: 5.00 Posted on 2022-12-13 by Ady TZIDON (No Solution Yet, 3 Comments) Prime or Composite? (2) (in Numbers) Posted on 2022-12-10 by K Sengupta (No Solution Yet, 5 Comments) Rising above the ceiling (in Probability) Rating: 5.00 Posted on 2022-12-06 by K Sengupta (No Solution Yet, 6 Comments) Special Words 3 (in Word Problems) Rating: 5.00 Posted on 2022-12-04 by Larry (No Solution Yet, 3 Comments) Fraction-Fraction-Fraction Finding (in Numbers) Posted on 2022-12-02 by K Sengupta (No Solution Yet, 2 Comments) A Tangential Trapezoid (in Geometry) Posted on 2022-11-30 by Jer (No Solution Yet, 2 Comments) Prime or Composite? (in Numbers) Posted on 2022-11-27 by K Sengupta (No Solution Yet, 3 Comments) A square 2 (in Numbers) Rating: 5.00 Posted on 2022-11-26 by Math Man (No Solution Yet, 8 Comments) A square of squares (in Numbers) Posted on 2022-11-25 by Ady TZIDON (No Solution Yet, 2 Comments) Nonn, easy, nice. (in Just Math) Posted on 2022-11-23 by broll (No Solution Yet, 5 Comments) A running theme. (in General) Posted on 2022-11-21 by broll (No Solution Yet, 6 Comments) Sawtooth Limit Settlement (in Calculus) Posted on 2022-11-17 by K Sengupta (No Solution Yet, 3 Comments) A Game of Dice Puzzle (in Probability) Posted on 2022-11-14 by K Sengupta (No Solution Yet, 7 Comments) All vowels disclosed (in Word Problems) Posted on 2022-11-12 by Ady TZIDON (No Solution Yet, 5 Comments) Prime Possibility Poser (in Numbers) Posted on 2022-11-10 by K Sengupta (No Solution Yet, 2 Comments) MP’s word (in Word Problems) Posted on 2022-11-09 by Ady TZIDON (No Solution Yet, 4 Comments) Missing Digit Deduction (in Numbers) Posted on 2022-11-08 by K Sengupta (No Solution Yet, 2 Comments) Binomial Coefficient Product Puzzle (in Numbers) Rating: 5.00 Posted on 2022-11-07 by K Sengupta (No Solution Yet, 3 Comments) Homeric Character Conclusion (in Word Problems) Posted on 2022-11-06 by K Sengupta (No Solution Yet, 1 Comments) Moving Quarters II (in General) Posted on 2022-11-02 by K Sengupta (No Solution Yet, 9 Comments) Sorting Coins III (in Weights and Scales) Rating: 4.00 Posted on 2022-10-26 by K Sengupta (No Solution Yet, 4 Comments) Repeating tetradecimals (in Numbers) Posted on 2022-10-25 by K Sengupta (No Solution Yet, 4 Comments) Four Floored Cube Finding (in Numbers) Posted on 2022-10-24 by K Sengupta (No Solution Yet, 2 Comments) Close Shave Conclusion (in Science) Posted on 2022-10-23 by K Sengupta (No Solution Yet, 1 Comments) Distance through a cube (in Shapes) Posted on 2022-10-20 by Jer (No Solution Yet, 3 Comments) Old Man Murder Muse (in Riddles) Rating: 4.00 Posted on 2022-10-18 by K Sengupta (No Solution Yet, 2 Comments) Knot Tying Travail (in Probability) Rating: 5.00 Posted on 2022-10-16 by K Sengupta (No Solution Yet, 5 Comments) Three Distinct Divisor Trial (in Numbers) Posted on 2022-10-15 by K Sengupta (No Solution Yet, 5 Comments) Mystery sequence (in Sequences) Rating: 5.00 Posted on 2022-10-13 by Math Man (No Solution Yet, 8 Comments) Fifth Root Finding (in Algorithms) Rating: 5.00 Posted on 2022-09-29 by K Sengupta (No Solution Yet, 1 Comments) Get one fourth by squaring (in Numbers) Rating: 5.00 Posted on 2022-09-27 by K Sengupta (No Solution Yet, 1 Comments) Five Multiplication Foray (in Algorithms) Rating: 4.00 Posted on 2022-09-26 by K Sengupta (No Solution Yet, 3 Comments) NegaDuodecimal Nuance (in Algorithms) Rating: 5.00 Posted on 2022-09-23 by K Sengupta (No Solution Yet, 1 Comments) Ring sets (in Geometry) Rating: 5.00 Posted on 2022-09-22 by Jer (No Solution Yet, 1 Comments) Arithmetic Sequence Crossed Integer Triplet Puzzle (in Numbers) Rating: 5.00 Posted on 2022-09-21 by K Sengupta (No Solution Yet, 4 Comments) One, Two, Three, Floor Integral 2 (in Calculus) Rating: 4.00 Posted on 2022-09-20 by Jer (No Solution Yet, 1 Comments) Split Words Settlement III (in Word Problems) Posted on 2022-09-19 by K Sengupta (No Solution Yet, 1 Comments) Sums of floors and fractionals (in Just Math) Rating: 5.00 Posted on 2022-09-18 by Jer (No Solution Yet, 6 Comments) The Highlife (in Cryptography) Posted on 2022-09-16 by Steven Lord (No Solution Yet, 1 Comments) A Pandigital Multiple Puzzle (in Numbers) Rating: 4.00 Posted on 2022-09-14 by K Sengupta (No Solution Yet, 1 Comments) Scrabble numbers that score themselves (in Word Problems) Posted on 2022-09-09 by Jer (No Solution Yet, 1 Comments) Two Cask Mixture Muse (in Weights and Scales) Rating: 5.00 Posted on 2022-09-08 by K Sengupta (No Solution Yet, 2 Comments) Many types (in Liars and Knights) Rating: 5.00 Posted on 2022-09-03 by Math Man (No Solution Yet, 1 Comments) Lefties and righties 3 (in Logic) Rating: 5.00 Posted on 2022-08-24 by K Sengupta (No Solution Yet, 1 Comments) Tic Tac Toe IV (in Games) Rating: 4.00 Posted on 2022-08-23 by K Sengupta (No Solution Yet, 4 Comments) A Cold and Frosty Morning (in Science) Rating: 4.00 Posted on 2022-08-15 by K Sengupta (No Solution Yet, 12 Comments) Smallest Prime Settlement (in Numbers) Rating: 5.00 Posted on 2022-08-14 by K Sengupta (No Solution Yet, 3 Comments) Cubic Diophantine Conclusion II (in Numbers) Rating: 3.00 Posted on 2022-08-13 by K Sengupta (No Solution Yet, 2 Comments) 7 somewhere (in Numbers) Rating: 5.00 Posted on 2022-08-12 by Jer (No Solution Yet, 16 Comments) Binary Repunit Padovans (in Numbers) Rating: 5.00 Posted on 2022-08-11 by K Sengupta (No Solution Yet, 3 Comments) Ice Cube Mystery (in Science) Rating: 4.00 Posted on 2022-08-09 by K Sengupta (No Solution Yet, 2 Comments) Perplexus arrangement (in Just Math) Rating: 3.00 Posted on 2022-08-08 by Jer (No Solution Yet, 1 Comments) Singular Squares II (in Numbers) Rating: 5.00 Posted on 2022-08-06 by K Sengupta (No Solution Yet, 3 Comments) Inscribed and Circumscribed Ellipse Puzzle (in Shapes) Rating: 4.00 Posted on 2022-08-05 by K Sengupta (No Solution Yet, 2 Comments) Wordle (in Games) Rating: 5.00 Posted on 2022-08-01 by Math Man (No Solution Yet, 5 Comments) From sum to addends 2 (in Numbers) Rating: 5.00 Posted on 2022-07-28 by Larry (No Solution Yet, 3 Comments) Product Crossed Pointed Ratio Puzzle (in Numbers) Rating: 5.00 Posted on 2022-07-27 by K Sengupta (No Solution Yet, 7 Comments) Bronze Ball Contest Conclusion (in Science) Rating: 5.00 Posted on 2022-07-25 by K Sengupta (No Solution Yet, 4 Comments) 381654729 (in Just Math) Rating: 2.50 Posted on 2022-07-23 by Ady TZIDON (No Solution Yet, 6 Comments) Perfect Powers with no Repeat Digits (in Numbers) Rating: 5.00 Posted on 2022-07-22 by Larry (No Solution Yet, 1 Comments) Pair of quadrilaterals (in Geometry) Posted on 2022-07-21 by Jer (No Solution Yet, 4 Comments) Brothers Crossed Eye Color Puzzle (in Logic) Rating: 1.00 Posted on 2022-07-20 by K Sengupta (No Solution Yet, 7 Comments) A square deal (in Sequences) Rating: 3.00 Posted on 2022-07-18 by Ady TZIDON (No Solution Yet, 4 Comments) Precise Punctuation Poser (in Word Problems) Rating: 4.00 Posted on 2022-07-17 by K Sengupta (No Solution Yet, 1 Comments) 3 out of 5 (in Just Math) Rating: 5.00 Posted on 2022-07-15 by Ady TZIDON (No Solution Yet, 2 Comments) Spellements 2 (in General) Rating: 4.00 Posted on 2022-07-15 by Larry (No Solution Yet, 12 Comments) The Game of Keno (in Probability) Rating: 4.00 Posted on 2022-07-12 by K Sengupta (No Solution Yet, 3 Comments) Three clocks (in Just Math) Posted on 2022-07-10 by Ady TZIDON (No Solution Yet, 6 Comments) Spellements (in General) Posted on 2022-07-09 by Larry (No Solution Yet, 1 Comments) SOD(power) = power (in Numbers) Rating: 5.00 Posted on 2022-07-07 by Larry (No Solution Yet, 1 Comments) Mrs. Arithmetic and Mrs. Algebra (in Numbers) Rating: 5.00 Posted on 2022-07-05 by K Sengupta (No Solution Yet, 4 Comments) Two Hourglass Treat (in Weights and Scales) Rating: 4.00 Posted on 2022-07-04 by K Sengupta (No Solution Yet, 1 Comments) Pro and con (in Word Problems) Rating: 5.00 Posted on 2022-07-03 by Ady TZIDON (No Solution Yet, 9 Comments) Restless Retreat Resolution (in Logic) Rating: 5.00 Posted on 2022-07-01 by K Sengupta (No Solution Yet, 3 Comments) West of Evan, East of Odin (in Numbers) Posted on 2022-06-29 by Larry (No Solution Yet, 1 Comments) Checking the score (in Cryptography) Rating: 4.00 Posted on 2022-06-27 by broll (No Solution Yet, 3 Comments) Three Card Trial (in Logic) Posted on 2022-06-26 by K Sengupta (No Solution Yet, 4 Comments) See you (in Riddles) Rating: 3.00 Posted on 2022-06-22 by Ady TZIDON (No Solution Yet, 3 Comments) X and Lucky Seven Settlement (in Numbers) Rating: 5.00 Posted on 2022-06-18 by K Sengupta (No Solution Yet, 3 Comments) Cycles of roots as coefficients (in Just Math) Rating: 5.00 Posted on 2022-06-16 by Jer (No Solution Yet, 4 Comments) Hexagon area ratio (in Geometry) Rating: 4.00 Posted on 2022-06-15 by Jer (No Solution Yet, 1 Comments) Primorial Penultimate Piece (in Numbers) Rating: 5.00 Posted on 2022-06-14 by Larry (No Solution Yet, 2 Comments) Decimal Specification (in Numbers) Rating: 4.00 Posted on 2022-06-13 by K Sengupta (No Solution Yet, 3 Comments) Arithmetic Derivative (in Numbers) Rating: 5.00 Posted on 2022-06-10 by Larry (No Solution Yet, 7 Comments) Sorta Platonic... (in Numbers) Rating: 5.00 Posted on 2022-06-09 by K Sengupta (No Solution Yet, 3 Comments) Maximum Palindrome Count Muse (in Numbers) Rating: 5.00 Posted on 2022-06-07 by K Sengupta (No Solution Yet, 3 Comments) Quaint Quadruplet Query (in Numbers) Rating: 5.00 Posted on 2022-06-06 by K Sengupta (No Solution Yet, 5 Comments) Nested radical redux (in Numbers) Rating: 5.00 Posted on 2022-06-04 by Jer (No Solution Yet, 9 Comments) Nested radical (in Numbers) Rating: 5.00 Posted on 2022-06-03 by Jer (No Solution Yet, 4 Comments) '- subject to availability -' (in Probability) Rating: 2.33 Posted on 2022-06-02 by broll (No Solution Yet, 7 Comments) Three Pasture Puzzle (in Numbers) Rating: 5.00 Posted on 2022-06-01 by K Sengupta (No Solution Yet, 8 Comments) Last house on the street (in Just Math) Rating: 4.00 Posted on 2022-05-31 by Ady TZIDON (No Solution Yet, 7 Comments) Forty Four Digit Decision (in Numbers) Rating: 5.00 Posted on 2022-05-30 by K Sengupta (No Solution Yet, 2 Comments) Lexicographic Listing (in Algorithms) Rating: 4.00 Posted on 2022-05-29 by K Sengupta (No Solution Yet, 3 Comments) What base? (in Just Math) Rating: 4.00 Posted on 2022-05-28 by Ady TZIDON (No Solution Yet, 3 Comments) Parametric Quadratic Diophantine Dilemma (in Numbers) Rating: 5.00 Posted on 2022-05-27 by K Sengupta (No Solution Yet, 3 Comments) Tricky Vowel Arrangement (in Shapes) Rating: 4.00 Posted on 2022-05-23 by K Sengupta (No Solution Yet, 2 Comments) Equally divided (in Numbers) Rating: 3.00 Posted on 2022-05-22 by Ady TZIDON (No Solution Yet, 3 Comments) Fifth Thursdays and Sundays (in Algorithms) Rating: 5.00 Posted on 2022-05-17 by K Sengupta (No Solution Yet, 1 Comments) Checkerboard Chance Conclusion II (in Probability) Rating: 4.00 Posted on 2022-05-16 by K Sengupta (No Solution Yet, 2 Comments) 2^n mod n (in Just Math) Rating: 4.00 Posted on 2022-05-13 by Math Man (No Solution Yet, 3 Comments) Googol vs Googolplex (in Numbers) Rating: 4.50 Posted on 2022-05-12 by Jer (No Solution Yet, 3 Comments) Completing factorial (in Numbers) Rating: 4.00 Posted on 2022-05-11 by Ady TZIDON (No Solution Yet, 1 Comments) Even percents (in Numbers) Rating: 5.00 Posted on 2022-05-10 by Jer (No Solution Yet, 3 Comments) 2 incompatible words (in Word Problems) Rating: 5.00 Posted on 2022-05-09 by Ady TZIDON (No Solution Yet, 3 Comments) Car Thief Identification (in Logic) Posted on 2022-05-08 by K Sengupta (No Solution Yet, 5 Comments) Colored Marble Muse (in Probability) Rating: 5.00 Posted on 2022-05-07 by K Sengupta (No Solution Yet, 4 Comments) 50 - Digit Number III (in Numbers) Rating: 4.00 Posted on 2022-05-04 by K Sengupta (No Solution Yet, 7 Comments) The Playlist (in Probability) Rating: 5.00 Posted on 2022-04-28 by Kenny M (No Solution Yet, 2 Comments) Counting words (in Just Math) Rating: 5.00 Posted on 2022-04-27 by Ady TZIDON (No Solution Yet, 7 Comments) Simple set (in Just Math) Rating: 4.00 Posted on 2022-04-25 by Ady TZIDON (No Solution Yet, 2 Comments) 3 Pals make a Pal (in Numbers) Rating: 5.00 Posted on 2022-04-20 by Larry (No Solution Yet, 2 Comments) Move the digit, Change the base (in Numbers) Rating: 5.00 Posted on 2022-04-19 by Larry (No Solution Yet, 10 Comments) L OR H (in Weights and Scales) Rating: 3.00 Posted on 2022-04-18 by Ady TZIDON (No Solution Yet, 4 Comments) From a to z (in Just Math) Rating: 4.50 Posted on 2022-04-17 by Ady TZIDON (No Solution Yet, 7 Comments) Digit Replacement and Square Settlement (in Numbers) Rating: 5.00 Posted on 2022-04-11 by K Sengupta (No Solution Yet, 5 Comments) Water Freeze Wangle (in Science) Rating: 3.00 Posted on 2022-04-10 by K Sengupta (No Solution Yet, 5 Comments) Word Wangle II (in Logic) Rating: 5.00 Posted on 2022-04-09 by K Sengupta (No Solution Yet, 13 Comments) Eventual Inverse Function (in Just Math) Rating: 4.00 Posted on 2022-04-08 by Jer (No Solution Yet, 1 Comments) All the nines (in Numbers) Rating: 5.00 Posted on 2022-04-07 by broll (No Solution Yet, 8 Comments) Darn you Wordle! (in Word Problems) Rating: 5.00 Posted on 2022-04-05 by Jer (No Solution Yet, 6 Comments) A Kiss solution (in General) Rating: 3.50 Posted on 2022-04-04 by Ady TZIDON (No Solution Yet, 9 Comments) Integral Roots (in Just Math) Rating: 5.00 Posted on 2022-04-01 by Brian Smith (No Solution Yet, 5 Comments) Singer Surmise (in General) Rating: 2.00 Posted on 2022-03-31 by K Sengupta (No Solution Yet, 14 Comments) Flipflop the digits, octuple the number (in Numbers) Rating: 5.00 Posted on 2022-03-30 by Larry (No Solution Yet, 5 Comments) Slim chance? (in Probability) Rating: 4.00 Posted on 2022-03-28 by Ady TZIDON (No Solution Yet, 5 Comments) Attributed to Ramanujan (in Just Math) Rating: 4.00 Posted on 2022-03-26 by Ady TZIDON (No Solution Yet, 3 Comments) Some inflation ! (in Numbers) Rating: 5.00 Posted on 2022-03-24 by Ady TZIDON (No Solution Yet, 4 Comments) sum, reciprocals, squares (in Numbers) Rating: 4.00 Posted on 2022-03-22 by Jer (No Solution Yet, 4 Comments) Broom Balance Bother (in Science) Rating: 4.00 Posted on 2022-03-19 by K Sengupta (No Solution Yet, 3 Comments) Rational Reverse Crossed Product Resolution (in Numbers) Rating: 4.00 Posted on 2022-03-18 by K Sengupta (No Solution Yet, 5 Comments) Square and triangle on centers (in Geometry) Rating: 4.00 Posted on 2022-03-17 by Jer (No Solution Yet, 1 Comments) Palindrome factors (in Numbers) Rating: 5.00 Posted on 2022-03-15 by Jer (No Solution Yet, 8 Comments) Pi Day (in Word Problems) Rating: 4.50 Posted on 2022-03-14 by Math Man (No Solution Yet, 4 Comments) Squares on each others centers (in Geometry) Rating: 3.00 Posted on 2022-03-11 by Jer (No Solution Yet, 1 Comments) Inverse Root Difference Crossed Zeros Puzzle (in Just Math) Rating: 5.00 Posted on 2022-03-09 by K Sengupta (No Solution Yet, 4 Comments) An Olympic trial II (in Just Math) Rating: 4.00 Posted on 2022-03-08 by Jer (No Solution Yet, 4 Comments) Knights, Liars, and Spies III (in Liars and Knights) Rating: 4.00 Posted on 2022-03-07 by K Sengupta (No Solution Yet, 2 Comments) Villes Et Etats Des Etats-Unis (in General) Rating: 5.00 Posted on 2022-03-05 by K Sengupta (No Solution Yet, 8 Comments) Ratio Resolution VI (in Just Math) Rating: 5.00 Posted on 2022-03-04 by K Sengupta (No Solution Yet, 2 Comments) Year by Year 2 (in Numbers) Rating: 5.00 Posted on 2022-03-02 by K Sengupta (No Solution Yet, 1 Comments) An Olympic trial (in Calculus) Rating: 4.00 Posted on 2022-03-01 by Jer (No Solution Yet, 1 Comments) Counterfeit Coins Conclusion (in Weights and Scales) Rating: 5.00 Posted on 2022-02-28 by K Sengupta (No Solution Yet, 0 Comments) No consecutive 1's (in Numbers) Rating: 5.00 Posted on 2022-02-27 by Jer (No Solution Yet, 2 Comments) Very peculiar feature ! (in Numbers) Rating: 5.00 Posted on 2022-02-24 by Ady TZIDON (No Solution Yet, 1 Comments) Announced vs Final rank average (in Probability) Rating: 5.00 Posted on 2022-02-23 by Jer (No Solution Yet, 2 Comments) SOD Crossed 2023 Puzzle (in Just Math) Rating: 4.00 Posted on 2022-02-22 by K Sengupta (No Solution Yet, 2 Comments) Powerful portions (in Games) Rating: 4.00 Posted on 2022-02-21 by Ady TZIDON (No Solution Yet, 1 Comments) Inconsiderable Five-Prime Ratio Illation II (in Numbers) Rating: 5.00 Posted on 2022-02-20 by K Sengupta (No Solution Yet, 2 Comments) Announced rank average (in Probability) Rating: 4.00 Posted on 2022-02-16 by Jer (No Solution Yet, 3 Comments) A hard nut (in Sequences) Posted on 2022-02-11 by Ady TZIDON (No Solution Yet, 1 Comments) 2 parallel chords (in Geometry) Rating: 4.00 Posted on 2022-02-10 by Jer (No Solution Yet, 3 Comments) Five sentences (in Logic) Rating: 5.00 Posted on 2022-02-09 by Math Man (No Solution Yet, 3 Comments) Checkerboard Chance Conclusion (in Probability) Rating: 5.00 Posted on 2022-02-07 by K Sengupta (No Solution Yet, 9 Comments) Why? a quickie (in Numbers) Rating: 5.00 Posted on 2022-02-06 by Ady TZIDON (No Solution Yet, 4 Comments) Triangle in a rectangle (in Geometry) Rating: 4.00 Posted on 2022-02-03 by Jer (No Solution Yet, 0 Comments) Toll of two towns (in Just Math) Posted on 2022-02-02 by Ady TZIDON (No Solution Yet, 2 Comments) Four Friends and Die Puzzle (in Logic) Rating: 3.00 Posted on 2022-01-31 by K Sengupta (No Solution Yet, 1 Comments) Pentagonal Time (in General) Posted on 2022-01-30 by K Sengupta (No Solution Yet, 9 Comments) Elemental State Settlement (in Word Problems) Rating: 4.00 Posted on 2022-01-29 by K Sengupta (No Solution Yet, 2 Comments) Difference is sod sum (in Numbers) Rating: 4.00 Posted on 2022-01-28 by Larry (No Solution Yet, 4 Comments) Golden Ratio Gradation (in Algorithms) Rating: 5.00 Posted on 2022-01-27 by K Sengupta (No Solution Yet, 4 Comments) Hexagon's square coverage (in Geometry) Rating: 4.00 Posted on 2022-01-21 by Jer (No Solution Yet, 3 Comments) All in (in Numbers) Rating: 4.00 Posted on 2022-01-18 by Ady TZIDON (No Solution Yet, 4 Comments) Closest approaches (in Geometry) Rating: 3.00 Posted on 2022-01-14 by Jer (No Solution Yet, 3 Comments) Pandiv 143 (in Numbers) Rating: 4.00 Posted on 2022-01-13 by Ady TZIDON (No Solution Yet, 1 Comments) Time After Time (in Numbers) Rating: 4.00 Posted on 2022-01-11 by Math Man (No Solution Yet, 2 Comments) Age of ages (2) (in Just Math) Rating: 5.00 Posted on 2022-01-08 by K Sengupta (No Solution Yet, 6 Comments) Fahrenheit*Celsius equals Perfect Square (in Just Math) Rating: 5.00 Posted on 2022-01-07 by K Sengupta (No Solution Yet, 3 Comments) Either way (in Numbers) Rating: 5.00 Posted on 2022-01-05 by Ady TZIDON (No Solution Yet, 8 Comments) Etats Des Etats-Unis (in Word Problems) Rating: 4.00 Posted on 2022-01-04 by K Sengupta (No Solution Yet, 3 Comments) Temperature Temperament IV (in Just Math) Rating: 3.00 Posted on 2022-01-03 by K Sengupta (No Solution Yet, 3 Comments) Choose a job you like… (in Word Problems) Rating: 5.00 Posted on 2021-12-26 by Ady TZIDON (No Solution Yet, 7 Comments) A Special Cubic Tangent (in Calculus) Rating: 4.00 Posted on 2021-12-24 by Brian Smith (No Solution Yet, 0 Comments) 6 out of 20 (in Cryptography) Rating: 5.00 Posted on 2021-12-23 by Ady TZIDON (No Solution Yet, 6 Comments) Add a Z-word (in General) Rating: 4.00 Posted on 2021-12-19 by Ady TZIDON (No Solution Yet, 4 Comments) 5 peaceful rooks (in Just Math) Rating: 3.50 Posted on 2021-12-18 by Ady TZIDON (No Solution Yet, 2 Comments) Straight Up Inequality (in Just Math) Rating: 3.00 Posted on 2021-12-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Ninety Seven and Divisibility Nuance (in Just Math) Rating: 4.00 Posted on 2021-12-12 by K Sengupta (No Solution Yet, 10 Comments) Text to math to text (in General) Rating: 4.33 Posted on 2021-12-11 by Ady TZIDON (No Solution Yet, 9 Comments) Laics prove (in General) Posted on 2021-12-10 by Ady TZIDON (No Solution Yet, 5 Comments) A nim variation (in Games) Rating: 5.00 Posted on 2021-12-09 by Jer (No Solution Yet, 5 Comments) ABBA words a.k.a. Test #12: (in Word Problems) Rating: 4.00 Posted on 2021-12-07 by Ady TZIDON (No Solution Yet, 3 Comments) Mas o menos vs comme il faut (in Just Math) Rating: 4.00 Posted on 2021-12-04 by Ady TZIDON (No Solution Yet, 3 Comments) Differentiation Crossed Inverse Derivation (in Calculus) Rating: 4.00 Posted on 2021-12-03 by K Sengupta (No Solution Yet, 0 Comments) Periodic functional equation (in Just Math) Posted on 2021-12-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Count the trailing zeros (in Just Math) Rating: 4.00 Posted on 2021-11-30 by Ady TZIDON (No Solution Yet, 4 Comments) Calculating the Inverse Rule (in Calculus) Rating: 4.00 Posted on 2021-11-26 by Math Man (No Solution Yet, 1 Comments) Complex function (in Just Math) Posted on 2021-11-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Cubic computation (in Just Math) Posted on 2021-11-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Prove or verify (in Just Math) Rating: 4.00 Posted on 2021-11-18 by Ady TZIDON (No Solution Yet, 1 Comments) Cubic Arithmetic Conclusion (in Just Math) Rating: 3.00 Posted on 2021-11-16 by K Sengupta (No Solution Yet, 4 Comments) What digit is there? (in Just Math) Rating: 3.00 Posted on 2021-11-15 by Ady TZIDON (No Solution Yet, 2 Comments) Partially illuminated cone (in Calculus) Rating: 5.00 Posted on 2021-11-12 by Jer (No Solution Yet, 10 Comments) Tea-Time TauTology (in Word Problems) Rating: 5.00 Posted on 2021-11-10 by Ady TZIDON (No Solution Yet, 2 Comments) Simple complex numbers (in Just Math) Posted on 2021-11-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Pax vobiscum (in General) Rating: 5.00 Posted on 2021-11-05 by Ady TZIDON (No Solution Yet, 4 Comments) Plain similarity (in Geometry) Posted on 2021-10-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Hexomino tile enumeration (in Numbers) Rating: 4.00 Posted on 2021-10-27 by Jer (No Solution Yet, 4 Comments) Left/Right side story (in Word Problems) Rating: 4.00 Posted on 2021-10-25 by Ady TZIDON (No Solution Yet, 1 Comments) Restaurant Rock and Roll (in Word Problems) Rating: 4.00 Posted on 2021-10-22 by Math Man (No Solution Yet, 4 Comments) Quad-Ominoes (in Numbers) Rating: 4.00 Posted on 2021-10-20 by Jer (No Solution Yet, 6 Comments) Cubic conundrum (in Just Math) Rating: 4.00 Posted on 2021-10-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Function at least 2 (in Just Math) Posted on 2021-10-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Actual triominoes (in Numbers) Rating: 4.00 Posted on 2021-10-13 by Jer (No Solution Yet, 2 Comments) Independent projections (in Geometry) Rating: 4.00 Posted on 2021-10-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Limited Orientation Triominoes (in Shapes) Rating: 3.00 Posted on 2021-10-08 by Brian Smith (No Solution Yet, 5 Comments) Sequence Sum Situation (in Sequences) Rating: 3.00 Posted on 2021-10-06 by Brian Smith (No Solution Yet, 4 Comments) ....and the 100th member is (in Sequences) Rating: 3.33 Posted on 2021-10-04 by Ady TZIDON (No Solution Yet, 4 Comments) Symmetrical biquadratic (in Just Math) Posted on 2021-10-01 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Expo 7629 (in Numbers) Rating: 4.00 Posted on 2021-09-27 by Ady TZIDON (No Solution Yet, 7 Comments) Imaginary triangles (in Just Math) Posted on 2021-09-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Imagine the points (in Just Math) Posted on 2021-09-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Range (in Just Math) Posted on 2021-09-20 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Largest circle in quadrilateral (in Geometry) Posted on 2021-09-17 by Danish Ahmed Khan (No Solution Yet, 8 Comments) Polynomial substitution (in Just Math) Posted on 2021-09-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Legally Blonde 2 (in Liars and Knights) Rating: 3.67 Posted on 2021-09-13 by Math Man (No Solution Yet, 4 Comments) 5 equilaterals (in Geometry) Rating: 5.00 Posted on 2021-09-10 by Jer (No Solution Yet, 8 Comments) Bung (in Word Problems) Rating: 3.00 Posted on 2021-09-08 by Ady TZIDON (No Solution Yet, 3 Comments) The 10th distance (in Just Math) Rating: 4.50 Posted on 2021-09-06 by Ady TZIDON (No Solution Yet, 8 Comments) Grid squares (in Just Math) Posted on 2021-09-03 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Bishops galore (in Games) Rating: 4.00 Posted on 2021-09-01 by Ady TZIDON (No Solution Yet, 6 Comments) Angle bisector in isosceles trapezoid (in Geometry) Rating: 3.00 Posted on 2021-08-30 by Jer (No Solution Yet, 2 Comments) Bivariate equation (in Numbers) Posted on 2021-08-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments) SOD revealed (in General) Rating: 5.00 Posted on 2021-08-26 by Ady TZIDON (No Solution Yet, 3 Comments) Derivative inequation (in Calculus) Posted on 2021-08-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Two spherical scoops (in Shapes) Rating: 4.00 Posted on 2021-08-24 by Jer (No Solution Yet, 2 Comments) Inconvenient points (in Just Math) Posted on 2021-08-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments) More balanced weighing (in Just Math) Posted on 2021-08-20 by Danish Ahmed Khan (No Solution Yet, 4 Comments) 2 neighbours create a square (in Numbers) Rating: 4.00 Posted on 2021-08-19 by Ady TZIDON (No Solution Yet, 9 Comments) Prime pair equation (in Numbers) Posted on 2021-08-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Planar factor graphs (in Just Math) Rating: 5.00 Posted on 2021-08-16 by Jer (No Solution Yet, 16 Comments) Seven (in Sequences) Rating: 5.00 Posted on 2021-08-15 by Ady TZIDON (No Solution Yet, 2 Comments) Factorials and 2 powers (in Just Math) Posted on 2021-08-13 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Functional fiesta (in Just Math) Posted on 2021-08-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A monthly puzzle (in Cryptography) Rating: 5.00 Posted on 2021-08-06 by Ady TZIDON (No Solution Yet, 2 Comments) A coprime couple (in Numbers) Rating: 4.00 Posted on 2021-08-05 by Ady TZIDON (No Solution Yet, 3 Comments) Quarilateral vertex reflection (in Geometry) Posted on 2021-08-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Indeed common (in Just Math) Posted on 2021-08-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Many Heads part 2 (in Probability) Rating: 4.50 Posted on 2021-08-02 by Jer (No Solution Yet, 2 Comments) Cube trouble (in Just Math) Posted on 2021-07-30 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Algebraic factors? (in Just Math) Posted on 2021-07-28 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Triplet hunt (in Numbers) Posted on 2021-07-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Good sequence (in Sequences) Rating: 3.50 Posted on 2021-07-26 by Math Man (No Solution Yet, 4 Comments) Words, words and words (in Word Problems) Rating: 5.00 Posted on 2021-07-21 by Ady TZIDON (No Solution Yet, 4 Comments) Four equal digits (in Numbers) Posted on 2021-07-20 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Cyclic recursive summation (in Just Math) Posted on 2021-07-16 by Danish Ahmed Khan (No Solution Yet, 9 Comments) Adjacent Square Sum II (in Just Math) Rating: 5.00 Posted on 2021-07-15 by Jer (No Solution Yet, 1 Comments) Irrational root shared (in Just Math) Posted on 2021-07-14 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Unwinding a rope (in Calculus) Rating: 1.00 Posted on 2021-07-13 by Jer (No Solution Yet, 9 Comments) Ones only (in Numbers) Posted on 2021-07-12 by Ady TZIDON (No Solution Yet, 8 Comments) Solution in every interval? (in Just Math) Posted on 2021-07-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Arithmetic inverse trigonometry (in Just Math) Posted on 2021-07-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Special dates (in Science) Rating: 4.00 Posted on 2021-07-06 by Ady TZIDON (No Solution Yet, 41 Comments) Prime pairs in power (in Numbers) Posted on 2021-07-05 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Pascal's Lottery (in Probability) Rating: 4.00 Posted on 2021-07-01 by broll (No Solution Yet, 6 Comments) Reflection in Rectangle (in Just Math) Posted on 2021-06-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Mid point and similarity (in Geometry) Posted on 2021-06-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Distinct routes (in Numbers) Rating: 5.00 Posted on 2021-06-24 by Ady TZIDON (No Solution Yet, 10 Comments) Three random squares (in Just Math) Rating: 5.00 Posted on 2021-06-23 by Ady TZIDON (No Solution Yet, 3 Comments) Digit equivalence (in Just Math) Posted on 2021-06-22 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Liar Logic 2 (in Liars and Knights) Rating: 4.00 Posted on 2021-06-21 by Math Man (No Solution Yet, 3 Comments) Mixed square (in Numbers) Posted on 2021-06-18 by Danish Ahmed Khan (No Solution Yet, 5 Comments) The power of 37 (in Numbers) Posted on 2021-06-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Prime count (in Numbers) Rating: 4.00 Posted on 2021-06-16 by Ady TZIDON (No Solution Yet, 3 Comments) Maximal product requested (in Just Math) Posted on 2021-06-15 by Ady TZIDON (No Solution Yet, 3 Comments) What is the last number? (in Numbers) Rating: 3.00 Posted on 2021-06-14 by Ady TZIDON (No Solution Yet, 6 Comments) Digit Sum Divisibility (in Numbers) Rating: 5.00 Posted on 2021-06-11 by tomarken (No Solution Yet, 2 Comments) Double negative (in Numbers) Rating: 5.00 Posted on 2021-06-09 by Ady TZIDON (No Solution Yet, 3 Comments) Leading divisibility (in Numbers) Posted on 2021-06-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Multiply by 2 (in Just Math) Posted on 2021-06-04 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Nine Pointed Sphere (in Shapes) Rating: 3.00 Posted on 2021-06-03 by Danish Ahmed Khan (No Solution Yet, 12 Comments) Let's play Bocce (in Probability) Rating: 5.00 Posted on 2021-06-02 by Jer (No Solution Yet, 6 Comments) Rubik's Swap (in General) Rating: 4.00 Posted on 2021-06-01 by tomarken (No Solution Yet, 9 Comments) Linked List Deleted (in Algorithms) Posted on 2021-05-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Gambler’s dilemma (in Probability) Rating: 3.00 Posted on 2021-05-28 by Ady TZIDON (No Solution Yet, 8 Comments) Four word classes (in Word Problems) Rating: 4.00 Posted on 2021-05-27 by Ady TZIDON (No Solution Yet, 5 Comments) Divisor divisibility (in Just Math) Posted on 2021-05-26 by tomarken (No Solution Yet, 0 Comments) Eleven as mandatory divider (in Sequences) Posted on 2021-05-24 by Ady TZIDON (No Solution Yet, 5 Comments) Good integer (in Numbers) Posted on 2021-05-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The Loopy Lunatic (in Science) Posted on 2021-05-20 by Danish Ahmed Khan (No Solution Yet, 8 Comments) Tricky function composition (in Just Math) Posted on 2021-05-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Hexagon area (in Just Math) Posted on 2021-05-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Polynomial radicals (in Just Math) Posted on 2021-05-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Positive divisor of positive divisor (in Numbers) Posted on 2021-05-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Consecutive power sum (in Numbers) Posted on 2021-05-12 by Danish Ahmed Khan (No Solution Yet, 8 Comments) A Country, a City and a pamphlet (in Numbers) Rating: 4.00 Posted on 2021-05-11 by Ady TZIDON (No Solution Yet, 4 Comments) Ones or twos II (in Numbers) Rating: 4.00 Posted on 2021-05-10 by Ady TZIDON (No Solution Yet, 2 Comments) Five root function (in Just Math) Posted on 2021-05-07 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Fibonacci Inequality (in Just Math) Rating: 4.00 Posted on 2021-05-06 by tomarken (No Solution Yet, 4 Comments) Pandigital powers 2 (in Numbers) Rating: 4.50 Posted on 2021-05-04 by Math Man (No Solution Yet, 3 Comments) Plus operator insertion (in Numbers) Rating: 3.00 Posted on 2021-05-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Locus amid two intersecting circles (in Geometry) Posted on 2021-04-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Reverse and add in binary (in Numbers) Posted on 2021-04-29 by Jer (No Solution Yet, 8 Comments) Minimize parallelogram diagonal (in Geometry) Posted on 2021-04-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments) The incompatible food triad (in General) Posted on 2021-04-27 by Ady TZIDON (No Solution Yet, 16 Comments) Erased to a multiple of 7 (in Numbers) Posted on 2021-04-21 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Common and tasty (in Word Problems) Rating: 5.00 Posted on 2021-04-20 by Ady TZIDON (No Solution Yet, 2 Comments) Find set cardinality (in Just Math) Posted on 2021-04-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Pigeonhole roots (in Just Math) Posted on 2021-04-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Prisoners and Coins (in Logic) Rating: 3.00 Posted on 2021-04-14 by tomarken (No Solution Yet, 4 Comments) Time to rhyme (in Numbers) Rating: 3.00 Posted on 2021-04-13 by Ady TZIDON (No Solution Yet, 2 Comments) Of equal area (in Geometry) Posted on 2021-04-12 by Ady TZIDON (No Solution Yet, 0 Comments) Constrained circle in quadrilateral (in Just Math) Posted on 2021-04-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Euphony (in Logic) Rating: 3.00 Posted on 2021-04-08 by Ady TZIDON (No Solution Yet, 5 Comments) Pandigital powers (in Numbers) Rating: 5.00 Posted on 2021-04-07 by Math Man (No Solution Yet, 6 Comments) Nearsighted rooks on a large chessboard (in Just Math) Rating: 3.00 Posted on 2021-04-05 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Knight tour in an infinite board (in Just Math) Posted on 2021-04-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 7.1.4 , my friend (in Numbers) Rating: 5.00 Posted on 2021-03-31 by Ady TZIDON (No Solution Yet, 1 Comments) Only in USA (in General) Rating: 5.00 Posted on 2021-03-29 by Ady TZIDON (No Solution Yet, 8 Comments) Max angle in triangle (in Geometry) Posted on 2021-03-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Routes' routine (in Logic) Rating: 4.00 Posted on 2021-03-25 by Ady TZIDON (No Solution Yet, 1 Comments) Don't walk! (in General) Rating: 4.33 Posted on 2021-03-24 by Ady TZIDON (No Solution Yet, 16 Comments) Permuted quadratic equation (in Just Math) Posted on 2021-03-23 by Danish Ahmed Khan (No Solution Yet, 1 Comments) With or without (in Numbers) Rating: 4.50 Posted on 2021-03-22 by Ady TZIDON (No Solution Yet, 5 Comments) Reduce to a lower degree (in Just Math) Posted on 2021-03-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Induced divisibility (in Just Math) Posted on 2021-03-18 by Danish Ahmed Khan (No Solution Yet, 7 Comments) 2 Q&A (in Riddles) Rating: 4.00 Posted on 2021-03-17 by Ady TZIDON (No Solution Yet, 4 Comments) The fibbons (in Numbers) Rating: 4.00 Posted on 2021-03-16 by Ady TZIDON (No Solution Yet, 6 Comments) Out of “Pillow Problems” (in Numbers) Rating: 4.00 Posted on 2021-03-15 by Ady TZIDON (No Solution Yet, 2 Comments) 3 roots of a biquadratic (in Just Math) Posted on 2021-03-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Cubic Minimum (in Numbers) Rating: 3.00 Posted on 2021-03-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments) One excircle to another (in Geometry) Posted on 2021-03-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments) A thin triangle (in Shapes) Rating: 3.00 Posted on 2021-03-11 by Jer (No Solution Yet, 3 Comments) The replacement game (in Numbers) Posted on 2021-03-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Words' insides (in Word Problems) Rating: 4.00 Posted on 2021-03-08 by Ady TZIDON (No Solution Yet, 3 Comments) Situational roots of a biquadratic (in Just Math) Posted on 2021-03-07 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Defining a triangle. (in Geometry) Rating: 4.00 Posted on 2021-03-06 by Ady TZIDON (No Solution Yet, 3 Comments) Strictly monotonic (in Calculus) Posted on 2021-03-05 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Numeric card game (in Just Math) Rating: 3.00 Posted on 2021-03-04 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Digit ending and divisibility (in Numbers) Posted on 2021-03-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Job interview (in Logic) Rating: 3.00 Posted on 2021-03-02 by Ady TZIDON (No Solution Yet, 3 Comments) A drill to remember (in Geometry) Rating: 4.00 Posted on 2021-03-01 by Ady TZIDON (No Solution Yet, 2 Comments) Reciprocal Equation #6 (in Just Math) Posted on 2021-02-28 by Brian Smith (No Solution Yet, 3 Comments) Binomial function hunt (in Just Math) Posted on 2021-02-26 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Irregular Pentagram Problem (in Shapes) Posted on 2021-02-24 by Brian Smith (No Solution Yet, 1 Comments) Circular Reasoning (in Probability) Posted on 2021-02-23 by Kenny M (No Solution Yet, 4 Comments) Sport above all (in Just Math) Rating: 3.00 Posted on 2021-02-22 by Ady TZIDON (No Solution Yet, 4 Comments) Construction calculation (in Geometry) Posted on 2021-02-21 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Differences of the fraction (in Just Math) Rating: 4.00 Posted on 2021-02-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments) differentiability in functions (in Calculus) Posted on 2021-02-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Trapezium in polygon (in Numbers) Rating: 3.00 Posted on 2021-02-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Integer sides of cuboid (in Numbers) Rating: 3.00 Posted on 2021-02-17 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Tom and Jerry (in Logic) Rating: 5.00 Posted on 2021-02-16 by Math Man (No Solution Yet, 3 Comments) Less than 100 (in Numbers) Rating: 4.00 Posted on 2021-02-14 by Ady TZIDON (No Solution Yet, 3 Comments) Squares concatenated to square (in Numbers) Rating: 3.00 Posted on 2021-02-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Solve in naturals (in Numbers) Posted on 2021-02-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments) As close as possible (in Numbers) Rating: 3.00 Posted on 2021-02-11 by Ady TZIDON (No Solution Yet, 3 Comments) Polygon angle summation (in Geometry) Posted on 2021-02-10 by Danish Ahmed Khan (No Solution Yet, 0 Comments) As time goes by (in Sequences) Rating: 2.33 Posted on 2021-02-09 by Ady TZIDON (No Solution Yet, 7 Comments) Mission 55 (in Numbers) Rating: 4.00 Posted on 2021-02-08 by Ady TZIDON (No Solution Yet, 6 Comments) Powered to perfect (in Numbers) Rating: 3.67 Posted on 2021-02-07 by Danish Ahmed Khan (No Solution Yet, 7 Comments) The nearness of you (in Logic) Rating: 3.00 Posted on 2021-02-06 by Ady TZIDON (No Solution Yet, 2 Comments) Triple composition on naturals (in Just Math) Rating: 1.00 Posted on 2021-02-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Provide dimensions (in Geometry) Rating: 2.50 Posted on 2021-02-03 by Ady TZIDON (No Solution Yet, 1 Comments) Perpendicular edge of tetrahedron (in Geometry) Posted on 2021-02-02 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Isosceles split (in Geometry) Posted on 2021-02-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Polygon mesh with a point (in Geometry) Posted on 2021-01-31 by Danish Ahmed Khan (No Solution Yet, 0 Comments) 374 1493 I9 243 35 85M4 (in Just Math) Rating: 5.00 Posted on 2021-01-30 by Ady TZIDON (No Solution Yet, 4 Comments) Entries of a matrix (in Just Math) Rating: 4.00 Posted on 2021-01-29 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Three circles on sphere (in Just Math) Posted on 2021-01-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Never consecutive (in Probability) Rating: 4.00 Posted on 2021-01-26 by Jer (No Solution Yet, 7 Comments) 33rd Powers (in Numbers) Rating: 3.00 Posted on 2021-01-25 by Danish Ahmed Khan (No Solution Yet, 5 Comments) An increasing function equation (in Calculus) Rating: 3.00 Posted on 2021-01-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Sort them out (in Word Problems) Posted on 2021-01-23 by Ady TZIDON (No Solution Yet, 4 Comments) 3D geometry (in Shapes) Rating: 1.00 Posted on 2021-01-22 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Giant divisibility (in Just Math) Posted on 2021-01-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Complex hexagon ratios (in Just Math) Posted on 2021-01-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Sweet little sixteen (in Just Math) Posted on 2021-01-18 by broll (No Solution Yet, 2 Comments) Colinearity with rectangle vertex (in Geometry) Posted on 2021-01-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments) 3 to 6 letters (in Word Problems) Rating: 4.00 Posted on 2021-01-16 by Ady TZIDON (No Solution Yet, 9 Comments) Reverse engineering (in Tricks) Rating: 3.00 Posted on 2021-01-15 by Ady TZIDON (No Solution Yet, 2 Comments) Literary apparel (in Word Problems) Rating: 5.00 Posted on 2021-01-14 by Math Man (No Solution Yet, 2 Comments) number sum equals all digit sum (in Numbers) Posted on 2021-01-13 by Danish Ahmed Khan (No Solution Yet, 8 Comments) Solitaire: Probability Of No First Move (in Probability) Posted on 2021-01-12 by Larry (No Solution Yet, 5 Comments) Lattices inside square (in Just Math) Posted on 2021-01-10 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Go one, two, three (in Numbers) Rating: 3.00 Posted on 2021-01-09 by Danish Ahmed Khan (No Solution Yet, 6 Comments) 1 2 4 8 (in General) Rating: 5.00 Posted on 2021-01-08 by Ady TZIDON (No Solution Yet, 3 Comments) Rhombus and equilateral triangles (in Geometry) Rating: 2.00 Posted on 2021-01-06 by Jer (No Solution Yet, 3 Comments) Image 3D (in Geometry) Posted on 2021-01-05 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Trunk numbers (in Just Math) Rating: 3.00 Posted on 2021-01-04 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Go form square (in Numbers) Rating: 2.00 Posted on 2021-01-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Go do modulus (in Numbers) Posted on 2021-01-02 by Danish Ahmed Khan (No Solution Yet, 6 Comments) The money winning strategy (in Just Math) Rating: 3.00 Posted on 2021-01-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Welcome, 2021 (in Cryptography) Rating: 3.00 Posted on 2020-12-31 by Ady TZIDON (No Solution Yet, 1 Comments) Rectangular blocks (in Just Math) Posted on 2020-12-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Solve simultaneous with linear and quintic (in Numbers) Rating: 3.00 Posted on 2020-12-29 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Express as product of quadratic (in Just Math) Rating: 3.00 Posted on 2020-12-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Giant sum of products (in Numbers) Posted on 2020-12-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments) On the angle bisector (in Geometry) Posted on 2020-12-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Concyclic in a triangle (in Geometry) Posted on 2020-12-24 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Measure angle in parallelogram (in Geometry) Posted on 2020-12-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Functional Equation (in Just Math) Posted on 2020-12-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Circular segments (in Just Math) Posted on 2020-12-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Conditional pairs (in Just Math) Posted on 2020-12-19 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Number play (in Numbers) Rating: 4.50 Posted on 2020-12-18 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Circular area minimized (in Calculus) Posted on 2020-12-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Functional inequality (in Just Math) Posted on 2020-12-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Box and cube rooted (in Numbers) Posted on 2020-12-14 by Danish Ahmed Khan (No Solution Yet, 7 Comments) 3 and 3 and... (in Numbers) Rating: 3.00 Posted on 2020-12-13 by Ady TZIDON (No Solution Yet, 3 Comments) Snails journey (in Just Math) Posted on 2020-12-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Sin sum (in Just Math) Posted on 2020-12-11 by Jer (No Solution Yet, 14 Comments) 2020 roots (in Just Math) Posted on 2020-12-10 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Complete number (in Numbers) Posted on 2020-12-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Quick triangle side (in Geometry) Posted on 2020-12-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Tic tac toe points (in Just Math) Posted on 2020-12-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Equation in integers (in Numbers) Rating: 3.00 Posted on 2020-12-06 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Functional practice (in Just Math) Posted on 2020-12-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Possible diquadratic (in Just Math) Posted on 2020-12-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Shortest way to a million (in Numbers) Rating: 4.50 Posted on 2020-12-03 by Ady TZIDON (No Solution Yet, 15 Comments) Missing side of hexagon (in Geometry) Rating: 2.00 Posted on 2020-12-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Concatenation equals Sum of Squares (in Numbers) Posted on 2020-12-01 by Larry (No Solution Yet, 5 Comments) Permuted sums (in Just Math) Rating: 3.00 Posted on 2020-11-30 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Weird shuffling (in Just Math) Posted on 2020-11-29 by Danish Ahmed Khan (No Solution Yet, 8 Comments) 2 absent digits (in Numbers) Rating: 2.00 Posted on 2020-11-28 by Ady TZIDON (No Solution Yet, 6 Comments) Find the third side (in Geometry) Posted on 2020-11-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Lcm equation (in Numbers) Posted on 2020-11-26 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Maximal of a function (in Calculus) Posted on 2020-11-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Rubik's cut (in Just Math) Rating: 2.00 Posted on 2020-11-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Calculator at rescue? (in Just Math) Posted on 2020-11-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Locus to trisect the triangle (in Just Math) Rating: 3.00 Posted on 2020-11-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Go Discriminant! (in Just Math) Posted on 2020-11-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Quad in quad (in Geometry) Posted on 2020-11-20 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Radicals inside box (in Numbers) Posted on 2020-11-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Microscopically small (in Numbers) Posted on 2020-11-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Naoish numbers (in Numbers) Rating: 2.00 Posted on 2020-11-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Go left of the number (in Numbers) Rating: 3.00 Posted on 2020-11-15 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Exponentiation Equals Concatenation (in Numbers) Rating: 3.00 Posted on 2020-11-14 by Larry (No Solution Yet, 4 Comments) Dive deep after the decimal point (in Numbers) Posted on 2020-11-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Fit the middle digit (in Numbers) Rating: 3.00 Posted on 2020-11-12 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Trifecta circles (in Numbers) Posted on 2020-11-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Making it cubic (in Numbers) Posted on 2020-11-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Clock a doodle do (in Just Math) Posted on 2020-11-09 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Rectangular puzzle (in Just Math) Posted on 2020-11-08 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Quadratic integer root (in Just Math) Posted on 2020-11-07 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Count real roots (in Just Math) Rating: 3.00 Posted on 2020-11-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Neighboring Countries (in Word Problems) Posted on 2020-11-05 by Math Man (No Solution Yet, 3 Comments) Polynomial practice 2 (in Just Math) Posted on 2020-11-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments) A triangle locus (in Geometry) Posted on 2020-11-03 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Cubic coefficients (in Just Math) Rating: 3.00 Posted on 2020-11-02 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Coldest point in coordinate (in Just Math) Rating: 3.00 Posted on 2020-11-01 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Chinese remainder to the rescue (in Just Math) Rating: 3.00 Posted on 2020-10-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Polynomial practice (in Just Math) Rating: 3.00 Posted on 2020-10-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Construction inside parallelogram (in Geometry) Posted on 2020-10-29 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Sequence number compressed (in Just Math) Rating: 4.00 Posted on 2020-10-28 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Money giveaway (in Numbers) Rating: 3.50 Posted on 2020-10-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Trailing zeros (in Numbers) Posted on 2020-10-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Heron at rescue (in Just Math) Posted on 2020-10-23 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Quadratic relation (in Just Math) Rating: 2.00 Posted on 2020-10-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Quick divisibility (in Numbers) Rating: 5.00 Posted on 2020-10-20 by Danish Ahmed Khan (No Solution Yet, 8 Comments) Triangle bisector (in Geometry) Posted on 2020-10-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Functional feast (in Just Math) Rating: 3.50 Posted on 2020-10-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Valid system of equations (in Just Math) Rating: 3.00 Posted on 2020-10-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Concatenation of Prime Factors is Pandigital (in Numbers) Posted on 2020-10-15 by Larry (No Solution Yet, 2 Comments) Product of 3 boxes (in Numbers) Posted on 2020-10-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Find the pairs (in Numbers) Posted on 2020-10-13 by Danish Ahmed Khan (No Solution Yet, 21 Comments) Quick quadratic (in Numbers) Posted on 2020-10-12 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Real equation (in Just Math) Posted on 2020-10-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The angle bisectors (in Geometry) Posted on 2020-10-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Pentagon rays (in General) Posted on 2020-10-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Pages and Squires 2 (in Liars and Knights) Posted on 2020-10-08 by Math Man (No Solution Yet, 2 Comments) All odd digit (in Numbers) Posted on 2020-10-05 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Triplets cubed (in Numbers) Posted on 2020-10-04 by Ady TZIDON (No Solution Yet, 3 Comments) 5 token coverage (in Logic) Rating: 3.00 Posted on 2020-10-03 by Ady TZIDON (No Solution Yet, 1 Comments) Prime equation 2 (in Numbers) Posted on 2020-10-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Dissecting into rectangles (in Numbers) Posted on 2020-09-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Just an Average sequence (in Sequences) Posted on 2020-09-29 by Larry (No Solution Yet, 1 Comments) A square pattern? (in Numbers) Rating: 3.00 Posted on 2020-09-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments) What follows? (in Sequences) Posted on 2020-09-26 by Ady TZIDON (No Solution Yet, 2 Comments) Previously divisible (in Numbers) Posted on 2020-09-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Extreme inequality (in Just Math) Rating: 5.00 Posted on 2020-09-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Must be prime (in Sequences) Posted on 2020-09-22 by Ady TZIDON (No Solution Yet, 1 Comments) No fractions (in Just Math) Rating: 4.00 Posted on 2020-09-19 by Ady TZIDON (No Solution Yet, 4 Comments) Two slopes out of three (in Calculus) Rating: 5.00 Posted on 2020-09-18 by Jer (No Solution Yet, 2 Comments) Tetrahedral angles (in Shapes) Posted on 2020-09-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments) An Iterated Floor Equation (in Numbers) Posted on 2020-09-15 by Brian Smith (No Solution Yet, 9 Comments) Close neighbor (in General) Rating: 3.00 Posted on 2020-09-14 by Ady TZIDON (No Solution Yet, 8 Comments) Polynomial path (in Numbers) Posted on 2020-09-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Square to Cone Conversion (in Shapes) Posted on 2020-09-12 by Larry (No Solution Yet, 2 Comments) Halved triangle (in Just Math) Rating: 4.00 Posted on 2020-09-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 50 - or more (in Numbers) Posted on 2020-09-10 by Ady TZIDON (No Solution Yet, 14 Comments) Repeating squares (in Just Math) Posted on 2020-09-09 by Math Man (No Solution Yet, 5 Comments) Sphere parts (in Shapes) Posted on 2020-09-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Equilateral hexagon (in Geometry) Posted on 2020-09-08 by Jer (No Solution Yet, 5 Comments) 2 related tasks (in Numbers) Posted on 2020-09-07 by Ady TZIDON (No Solution Yet, 5 Comments) Cities, Countries and Colors (in Word Problems) Rating: 4.00 Posted on 2020-09-06 by Ady TZIDON (No Solution Yet, 2 Comments) WG’s unique number (in Numbers) Rating: 3.50 Posted on 2020-09-04 by Ady TZIDON (No Solution Yet, 8 Comments) A peculiar function! (in Just Math) Posted on 2020-09-03 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Permuted average (in Numbers) Posted on 2020-09-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments) From factorial to power (in Just Math) Posted on 2020-08-31 by Ady TZIDON (No Solution Yet, 2 Comments) Extreme revolving cuboid (in Shapes) Rating: 2.00 Posted on 2020-08-28 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Make five (in Word Problems) Posted on 2020-08-27 by Ady TZIDON (No Solution Yet, 7 Comments) Now, before and later (in Numbers) Posted on 2020-08-26 by Ady TZIDON (No Solution Yet, 2 Comments) Square Reciprocal Summation (in Just Math) Rating: 3.00 Posted on 2020-08-25 by Brian Smith (No Solution Yet, 5 Comments) Check this sequence (in Sequences) Posted on 2020-08-24 by Ady TZIDON (No Solution Yet, 3 Comments) Location, location (in Just Math) Rating: 1.00 Posted on 2020-08-21 by Ady TZIDON (No Solution Yet, 5 Comments) Average Of Digits of powers (in Numbers) Rating: 3.00 Posted on 2020-08-20 by Larry (No Solution Yet, 7 Comments) Ask and solve cubes (in Numbers) Posted on 2020-08-17 by Ady TZIDON (No Solution Yet, 5 Comments) Let's party (in Numbers) Rating: 5.00 Posted on 2020-08-14 by Ady TZIDON (No Solution Yet, 4 Comments) Cosine cups (in Shapes) Posted on 2020-08-07 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Three Digit Number 3 (in Numbers) Posted on 2020-08-05 by Larry (No Solution Yet, 5 Comments) Erase a prime (in Numbers) Rating: 3.00 Posted on 2020-08-03 by Jer (No Solution Yet, 5 Comments) For all the tea in China (in Numbers) Posted on 2020-07-29 by Ady TZIDON (No Solution Yet, 2 Comments) Accelerating Sequence (in Sequences) Posted on 2020-07-24 by Larry (No Solution Yet, 4 Comments) Elementary nationality (in Tricks) Rating: 5.00 Posted on 2020-07-22 by Math Man (No Solution Yet, 2 Comments) Two Sums of Two Squares (in Numbers) Rating: 4.50 Posted on 2020-07-17 by Brian Smith (No Solution Yet, 4 Comments) 7 matches (in Word Problems) Rating: 3.00 Posted on 2020-07-15 by Ady TZIDON (No Solution Yet, 3 Comments) 7 hypotenuses (in Numbers) Posted on 2020-07-10 by Ady TZIDON (No Solution Yet, 4 Comments) Four generations (in Numbers) Rating: 3.00 Posted on 2020-07-06 by Ady TZIDON (No Solution Yet, 9 Comments) Average other (in Numbers) Rating: 4.00 Posted on 2020-07-01 by Jer (No Solution Yet, 6 Comments) Function range (in Just Math) Posted on 2020-06-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Best quotient (in Word Problems) Rating: 3.00 Posted on 2020-06-24 by Ady TZIDON (No Solution Yet, 4 Comments) Fewer than 4 cubes (in Numbers) Posted on 2020-06-19 by Ady TZIDON (No Solution Yet, 1 Comments) Find Five (in Word Problems) Rating: 4.00 Posted on 2020-06-17 by Ady TZIDON (No Solution Yet, 6 Comments) Great Divide (in Just Math) Posted on 2020-06-15 by Ady TZIDON (No Solution Yet, 3 Comments) Tilted drum (in Shapes) Posted on 2020-06-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Fibo's common divider (in Sequences) Rating: 3.00 Posted on 2020-06-10 by Ady TZIDON (No Solution Yet, 4 Comments) Can you do it? (in Games) Posted on 2020-06-08 by Ady TZIDON (No Solution Yet, 4 Comments) Word word (in General) Rating: 4.33 Posted on 2020-06-05 by Ady TZIDON (No Solution Yet, 7 Comments) Eight of them (in Numbers) Posted on 2020-06-03 by Ady TZIDON (No Solution Yet, 3 Comments) Math in letters (in Just Math) Rating: 4.00 Posted on 2020-06-01 by Math Man (No Solution Yet, 5 Comments) Cube hunting (in Numbers) Posted on 2020-05-29 by Danish Ahmed Khan (No Solution Yet, 9 Comments) Two Towers Hanoi (in Algorithms) Rating: 3.00 Posted on 2020-05-27 by Brian Smith (No Solution Yet, 4 Comments) Deja vu (in Sequences) Rating: 5.00 Posted on 2020-05-25 by Ady TZIDON (No Solution Yet, 4 Comments) Euler and the Modern Army (in Games) Rating: 4.50 Posted on 2020-05-22 by broll (No Solution Yet, 7 Comments) A six-digit answer (in Just Math) Rating: 4.00 Posted on 2020-05-20 by Ady TZIDON (No Solution Yet, 2 Comments) More functions to limit (in Just Math) Posted on 2020-05-18 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Almost a half (in Just Math) Posted on 2020-05-15 by Ady TZIDON (No Solution Yet, 6 Comments) 2 subsets (in Numbers) Posted on 2020-05-13 by Ady TZIDON (No Solution Yet, 2 Comments) What is unsolved? (in Numbers) Posted on 2020-05-11 by Ady TZIDON (No Solution Yet, 4 Comments) Radius and Altitudes (in Geometry) Posted on 2020-05-08 by Ady TZIDON (No Solution Yet, 3 Comments) An envelope of line family (in Geometry) Posted on 2020-05-06 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Luck beats theory (in Probability) Posted on 2020-05-04 by Ady TZIDON (No Solution Yet, 3 Comments) Pokemon Puzzle (in Word Problems) Rating: 4.00 Posted on 2020-05-01 by Math Man (No Solution Yet, 1 Comments) What do you know? (in Numbers) Posted on 2020-04-29 by Ady TZIDON (No Solution Yet, 3 Comments) WG's portfolio (in Just Math) Posted on 2020-04-27 by Ady TZIDON (No Solution Yet, 4 Comments) Confirm or negate (in Just Math) Rating: 5.00 Posted on 2020-04-24 by Ady TZIDON (No Solution Yet, 11 Comments) Algebra busters (in Numbers) Rating: 4.00 Posted on 2020-04-22 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Letters in a letter (in Word Problems) Rating: 5.00 Posted on 2020-04-20 by Ady TZIDON (No Solution Yet, 3 Comments) PYHIYP #6 (in Logic) Rating: 3.67 Posted on 2020-04-17 by Ady TZIDON (No Solution Yet, 4 Comments) Square and triangle in a circle (in Geometry) Rating: 2.00 Posted on 2020-04-13 by Jer (No Solution Yet, 5 Comments) Select the right subset (in Word Problems) Posted on 2020-04-10 by Ady TZIDON (No Solution Yet, 3 Comments) Monotonic Function Decomposition (in Calculus) Posted on 2020-04-08 by JLo (No Solution Yet, 1 Comments) hexagons inside hexagon (in Geometry) Rating: 1.00 Posted on 2020-04-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Define my profile (in General) Rating: 4.00 Posted on 2020-04-01 by Ady TZIDON (No Solution Yet, 4 Comments) Go away ! (in Numbers) Posted on 2020-03-30 by Ady TZIDON (No Solution Yet, 2 Comments) Spacy Colors III (in Just Math) Posted on 2020-03-27 by JLo (No Solution Yet, 4 Comments) Division by e (in Just Math) Rating: 5.00 Posted on 2020-03-25 by Danish Ahmed Khan (No Solution Yet, 10 Comments) Super Symmetry (in Just Math) Posted on 2020-03-23 by JLo (No Solution Yet, 1 Comments) p(Ascending Number) closest to .01 (in Probability) Posted on 2020-03-16 by Larry (No Solution Yet, 3 Comments) co-prime unit fractions (in Numbers) Posted on 2020-03-06 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Brush up your Latin ! (in Word Problems) Posted on 2020-03-02 by Ady TZIDON (No Solution Yet, 4 Comments) PYHIYP #5 Seven up! (in Sequences) Rating: 2.00 Posted on 2020-02-26 by Ady TZIDON (No Solution Yet, 3 Comments) Coded Crossword 3 (in Cryptography) Rating: 4.50 Posted on 2020-02-21 by Math Man (No Solution Yet, 4 Comments) A special equation (in Just Math) Posted on 2020-02-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Got a hint? (in Sequences) Rating: 2.50 Posted on 2020-02-17 by Ady TZIDON (No Solution Yet, 4 Comments) Elections in Graphistan (in General) Rating: 3.50 Posted on 2020-02-14 by JLo (No Solution Yet, 5 Comments) PYHIYP #3: 8 given, 1 missing (in Logic) Rating: 3.50 Posted on 2020-02-07 by Ady TZIDON (No Solution Yet, 2 Comments) Pythagorean Reciprocals (in Geometry) Rating: 2.00 Posted on 2020-02-05 by Brian Smith (No Solution Yet, 14 Comments) The Smashing Pumpkins (in General) Rating: 1.00 Posted on 2020-01-31 by JLo (No Solution Yet, 4 Comments) Insert A B & C (in Word Problems) Posted on 2020-01-29 by Ady TZIDON (No Solution Yet, 2 Comments) Reflection Triangle (in Shapes) Rating: 3.50 Posted on 2020-01-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Certain old trade (in General) Rating: 3.00 Posted on 2020-01-22 by Ady TZIDON (No Solution Yet, 5 Comments) 3 circles in an isosceles trapezoid (in Geometry) Posted on 2020-01-10 by Jer (No Solution Yet, 3 Comments) Equal angles within a right triangle (in Geometry) Posted on 2020-01-08 by Jer (No Solution Yet, 2 Comments) Phrase and misconception (in Cryptography) Rating: 3.00 Posted on 2020-01-01 by Ady TZIDON (No Solution Yet, 4 Comments) Maximal Rectangle (in Shapes) Posted on 2019-12-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Heptagonal Triangle (in Shapes) Rating: 3.00 Posted on 2019-12-27 by Danish Ahmed Khan (No Solution Yet, 5 Comments) 13 L2L (in Word Problems) Posted on 2019-12-25 by Ady TZIDON (No Solution Yet, 8 Comments) Three Squares make a Triangle (in Shapes) Rating: 3.00 Posted on 2019-12-23 by Larry (No Solution Yet, 3 Comments) Company Conundrum 2 (in Word Problems) Rating: 5.00 Posted on 2019-12-20 by Math Man (No Solution Yet, 3 Comments) Poetry, not poverty (in Just Math) Posted on 2019-12-18 by Ady TZIDON (No Solution Yet, 2 Comments) The cute substitution (in Calculus) Posted on 2019-12-13 by Danish Ahmed Khan (No Solution Yet, 5 Comments) PYHIYP #1 (in Numbers) Rating: 4.50 Posted on 2019-12-09 by Ady TZIDON (No Solution Yet, 8 Comments) Reflection coincides with the center (in Geometry) Rating: 3.50 Posted on 2019-12-06 by Danish Ahmed Khan (No Solution Yet, 18 Comments) Nobody's Perfect (in Just Math) Rating: 4.00 Posted on 2019-12-04 by Ady TZIDON (No Solution Yet, 9 Comments) Follow the function (in Just Math) Posted on 2019-11-28 by Danish Ahmed Khan (No Solution Yet, 6 Comments) NARROW + STREET = AVENUE (in Numbers) Rating: 4.33 Posted on 2019-11-27 by Larry (No Solution Yet, 3 Comments) Can we use Pigeonhole? (in Numbers) Rating: 4.00 Posted on 2019-11-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Spherplex (in Just Math) Posted on 2019-11-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments) The top degree (in Just Math) Posted on 2019-11-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Very Large Triangles (in Just Math) Posted on 2019-11-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments) The Big Division (in Numbers) Posted on 2019-11-18 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Balancing Hemispheres (in Science) Posted on 2019-11-15 by Danish Ahmed Khan (No Solution Yet, 9 Comments) Thrice -----es ... (in Word Problems) Posted on 2019-11-14 by Ady TZIDON (No Solution Yet, 1 Comments) Factor distribution in a school (in Numbers) Rating: 1.00 Posted on 2019-11-13 by Danish Ahmed Khan (No Solution Yet, 15 Comments) Congruency in calculus (in Calculus) Rating: 3.00 Posted on 2019-11-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments) An old egg problem (in Numbers) Posted on 2019-11-05 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Tricky sequence (in Sequences) Rating: 5.00 Posted on 2019-11-04 by Math Man (No Solution Yet, 2 Comments) A positive rational function (in Just Math) Posted on 2019-11-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Medium numbers (in Numbers) Posted on 2019-10-31 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Two methods (in Word Problems) Posted on 2019-10-30 by Ady TZIDON (No Solution Yet, 3 Comments) Fancy quadrilateral (in Just Math) Posted on 2019-10-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Quadratic with Primes (in Numbers) Posted on 2019-10-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Cube rooted till 2019 (in Just Math) Posted on 2019-10-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Ardent tennis player (in Just Math) Posted on 2019-10-22 by Ady TZIDON (No Solution Yet, 2 Comments) Interval Guessing (in General) Rating: 5.00 Posted on 2019-10-21 by Brian Smith (No Solution Yet, 10 Comments) Some Sum of Some Sum (in Numbers) Posted on 2019-10-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments) It's not a Magic Square (in Numbers) Posted on 2019-10-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Non-trivial solutions (in Sequences) Rating: 5.00 Posted on 2019-10-16 by Ady TZIDON (No Solution Yet, 5 Comments) The digit is missing! (in Numbers) Posted on 2019-10-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments) The Midpoint Locus (in General) Rating: 5.00 Posted on 2019-10-11 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Tricky sums indeed! (in Numbers) Posted on 2019-10-10 by Danish Ahmed Khan (No Solution Yet, 3 Comments) The middle number (in Probability) Rating: 4.00 Posted on 2019-10-08 by Danish Ahmed Khan (No Solution Yet, 5 Comments) From incircle to vertices (in Just Math) Posted on 2019-10-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Solving triangles (in Just Math) Posted on 2019-10-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Triangle rotation (in Shapes) Posted on 2019-10-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Cotangents product (in Just Math) Posted on 2019-09-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Minimize the chord length (in Just Math) Posted on 2019-09-27 by Danish Ahmed Khan (No Solution Yet, 0 Comments) 5 given, 4 missing (in Numbers) Posted on 2019-09-26 by Ady TZIDON (No Solution Yet, 4 Comments) The three Sprinters (in Just Math) Posted on 2019-09-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Hexagonal interior point (in Geometry) Posted on 2019-09-24 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Timothy and Elizabeth (in Liars and Knights) Rating: 2.50 Posted on 2019-09-23 by Math Man (No Solution Yet, 4 Comments) Is it an Ellipse? (in Geometry) Posted on 2019-09-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Area of central locus (in Shapes) Posted on 2019-09-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Locate the Locus (in Shapes) Posted on 2019-09-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Just substitute? (in Numbers) Rating: 3.00 Posted on 2019-09-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Spherical displacement of water (in Shapes) Rating: 3.00 Posted on 2019-09-13 by Danish Ahmed Khan (No Solution Yet, 9 Comments) Hexagonal Spider Web (in Probability) Posted on 2019-09-12 by Danish Ahmed Khan (No Solution Yet, 7 Comments) A matter of perspective (in Shapes) Posted on 2019-09-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Jeopardy style IV (in Word Problems) Posted on 2019-09-10 by Ady TZIDON (No Solution Yet, 2 Comments) One way out (in Just Math) Posted on 2019-09-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 5 circles in a square part 2 (in Geometry) Posted on 2019-09-08 by Jer (No Solution Yet, 2 Comments) Inellipse (in Shapes) Posted on 2019-09-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Reduced to single digit (in Numbers) Rating: 3.00 Posted on 2019-09-06 by Danish Ahmed Khan (No Solution Yet, 14 Comments) Fibonacci tail (in Numbers) Rating: 3.00 Posted on 2019-09-05 by Danish Ahmed Khan (No Solution Yet, 3 Comments) 14 * A to T (in Word Problems) Posted on 2019-09-04 by Ady TZIDON (No Solution Yet, 3 Comments) Beautiful recursion (in Just Math) Posted on 2019-09-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Memphis, Tennessee (in Word Problems) Rating: 5.00 Posted on 2019-09-02 by Ady TZIDON (No Solution Yet, 4 Comments) Don't assume you know this concave pentagon (in Geometry) Rating: 5.00 Posted on 2019-09-01 by Brian Smith (No Solution Yet, 12 Comments) Parabola Axis Construction (in Geometry) Posted on 2019-08-31 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Bored student (in Just Math) Rating: 5.00 Posted on 2019-08-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Money in the word (in Word Problems) Rating: 5.00 Posted on 2019-08-29 by Ady TZIDON (No Solution Yet, 2 Comments) 5 circles in a square part 1 (in Geometry) Posted on 2019-08-28 by Jer (No Solution Yet, 6 Comments) Order in triangular array (in Probability) Rating: 3.00 Posted on 2019-08-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The Five Touching Spheres (in Shapes) Rating: 5.00 Posted on 2019-08-25 by Danish Ahmed Khan (No Solution Yet, 20 Comments) Talwalker trouble (in Geometry) Posted on 2019-08-24 by broll (No Solution Yet, 3 Comments) Summing the product of digits (in Numbers) Rating: 3.00 Posted on 2019-08-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Rotated Checkerboard (in Just Math) Posted on 2019-08-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A Triangle in a Square (in Geometry) Posted on 2019-08-21 by Brian Smith (No Solution Yet, 7 Comments) Yahtzee (in Probability) Rating: 3.00 Posted on 2019-08-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Irrational Distance/Rational Areas (in Just Math) Posted on 2019-08-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Rectangular Regions (in Just Math) Rating: 3.00 Posted on 2019-08-18 by Danish Ahmed Khan (No Solution Yet, 8 Comments) The Post Problem (in Shapes) Posted on 2019-08-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Constructed incenter (in Geometry) Posted on 2019-08-16 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Recursive reaches one million (in Numbers) Posted on 2019-08-15 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Digitally Average Integers (in Numbers) Posted on 2019-08-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Sitting rearrangement (in Just Math) Posted on 2019-08-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Peoples Day (in Just Math) Posted on 2019-08-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments) No primes 3 (in Numbers) Rating: 5.00 Posted on 2019-08-10 by Math Man (No Solution Yet, 2 Comments) Squared average equals square (in Numbers) Posted on 2019-08-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A Mysterious Multiplication (in Numbers) Rating: 1.00 Posted on 2019-08-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments) One or more? (in Word Problems) Posted on 2019-08-06 by Ady TZIDON (No Solution Yet, 2 Comments) points or pigeons in square? (in Just Math) Posted on 2019-08-05 by Danish Ahmed Khan (No Solution Yet, 8 Comments) The SPA numbers (in Numbers) Posted on 2019-08-04 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Digital computing (in Numbers) Rating: 4.50 Posted on 2019-08-03 by Danish Ahmed Khan (No Solution Yet, 20 Comments) 444...444 (in Numbers) Posted on 2019-08-02 by Danish Ahmed Khan (No Solution Yet, 6 Comments) High speed horses (in Weights and Scales) Posted on 2019-08-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Height of a Mountain (in Just Math) Posted on 2019-07-31 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Listing the cardinal numbers’ names (in Word Problems) Posted on 2019-07-30 by Ady TZIDON (No Solution Yet, 2 Comments) Gifts exchanged (in Logic) Rating: 2.00 Posted on 2019-07-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Rods as triangle sides (in Just Math) Posted on 2019-07-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Pairs of primes (in Probability) Posted on 2019-07-27 by Ady TZIDON (No Solution Yet, 10 Comments) Tangent by Transformation (in Just Math) Posted on 2019-07-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Bugs on a pentagon (in Just Math) Posted on 2019-07-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Conversion Diversion (in Just Math) Posted on 2019-07-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Tic tac toe variation (in Logic) Posted on 2019-07-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) All that remainder is Gold (in Numbers) Posted on 2019-07-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments) How do I know the time? (in Just Math) Posted on 2019-07-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Keep an eye Onto the other (in Just Math) Posted on 2019-07-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Api ece mea lpu zzl eto dec ode (in Cryptography) Posted on 2019-07-18 by Ady TZIDON (No Solution Yet, 1 Comments) Approximate value (in Numbers) Posted on 2019-07-17 by Ady TZIDON (No Solution Yet, 3 Comments) Quick integral (in Calculus) Rating: 2.00 Posted on 2019-07-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Maximum end point value (in Calculus) Posted on 2019-07-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Transformation to nonnegitivity (in Just Math) Rating: 4.00 Posted on 2019-07-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Describe the decimal (in Numbers) Posted on 2019-07-12 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Root switching sides (in Just Math) Posted on 2019-07-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments) In pairs (in Just Math) Posted on 2019-07-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Hexagonally closer (in Just Math) Posted on 2019-07-07 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Functional Logic (in Just Math) Posted on 2019-07-06 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Down the hill (in Science) Posted on 2019-07-05 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Quadruple fraction sum (in Numbers) Posted on 2019-06-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Humongous Factorial Divisiblity (in Numbers) Posted on 2019-06-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Triple cube sum (in Numbers) Posted on 2019-06-28 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Quick factors III (in Numbers) Posted on 2019-06-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments) (7x7-1) = 2(5x5-1) (in Shapes) Rating: 5.00 Posted on 2019-06-25 by Jer (No Solution Yet, 3 Comments) Zero Error Scales (in Just Math) Posted on 2019-06-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Quick factors II (in Numbers) Posted on 2019-06-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Differentiated function (in Calculus) Posted on 2019-06-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) From One North Pole to the Other (in Science) Posted on 2019-06-21 by Danish Ahmed Khan (No Solution Yet, 21 Comments) cosine rationality (in Just Math) Posted on 2019-06-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments) 37 is too special (in Numbers) Rating: 2.00 Posted on 2019-06-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Cryptajoke XIX (in Word Problems) Posted on 2019-06-18 by Ady TZIDON (No Solution Yet, 1 Comments) How many geeks are smart? (in Just Math) Posted on 2019-06-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Be the term-inator (in Just Math) Posted on 2019-06-16 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Just Hangin' around (in Just Math) Rating: 5.00 Posted on 2019-06-14 by Danish Ahmed Khan (No Solution Yet, 10 Comments) Find the rainbow (in Probability) Posted on 2019-06-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Primes and Semiprimes (in Numbers) Posted on 2019-06-12 by Ady TZIDON (No Solution Yet, 2 Comments) The Real Product (in General) Posted on 2019-06-11 by Danish Ahmed Khan (No Solution Yet, 12 Comments) Catching flak thrice (in Word Problems) Posted on 2019-06-10 by Ady TZIDON (No Solution Yet, 1 Comments) Zig Zag Nonagon (in Shapes) Posted on 2019-06-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Shooting submarine on a number line! (in Just Math) Rating: 5.00 Posted on 2019-06-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A Real function (in Just Math) Posted on 2019-06-07 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Pouring water (in Shapes) Posted on 2019-06-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Number dilemma (in Numbers) Rating: 4.00 Posted on 2019-06-05 by Danish Ahmed Khan (No Solution Yet, 19 Comments) Tangent of string of 5 (in Just Math) Posted on 2019-06-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Oned square root (in Numbers) Posted on 2019-06-03 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Odd digited square (in Numbers) Posted on 2019-06-02 by Danish Ahmed Khan (No Solution Yet, 8 Comments) Weird Expression (in Just Math) Posted on 2019-06-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Cubes can do all (in Numbers) Posted on 2019-05-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Ultimate Tic-Tac-Toe (in Just Math) Posted on 2019-05-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Sliced sphere (in Shapes) Posted on 2019-05-29 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Who's on the 4th base? (in Numbers) Posted on 2019-05-28 by Ady TZIDON (No Solution Yet, 3 Comments) Unknown Triangle (in Just Math) Posted on 2019-05-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Matrix Differentiated (in Just Math) Posted on 2019-05-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments) J.H. Lambert, I presume ? (in Just Math) Posted on 2019-05-24 by Ady TZIDON (No Solution Yet, 1 Comments) Permuted a, b, c, d equation (in Just Math) Posted on 2019-05-23 by Danish Ahmed Khan (No Solution Yet, 0 Comments) The Bug Climber (in Just Math) Posted on 2019-05-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Soft car for cats (in Numbers) Posted on 2019-05-22 by Ady TZIDON (No Solution Yet, 2 Comments) Squarely chained (in Numbers) Posted on 2019-05-21 by Ady TZIDON (No Solution Yet, 3 Comments) Crossword puzzles (in Algorithms) Rating: 5.00 Posted on 2019-05-21 by Math Man (No Solution Yet, 10 Comments) Carry on, Decimal (in Numbers) Posted on 2019-05-20 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Rainy days on a mountain (in Just Math) Posted on 2019-05-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Little Pika can barely add (in Numbers) Rating: 3.00 Posted on 2019-05-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Evened N and 3N (in Numbers) Posted on 2019-05-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Calculator can't handle it (in Numbers) Posted on 2019-05-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Integers involved in factors (in Numbers) Posted on 2019-05-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Four at a time (in Numbers) Posted on 2019-05-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Marks on Marks off (in Numbers) Posted on 2019-05-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Concatenation sum (in Numbers) Rating: 2.00 Posted on 2019-05-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments) The road less travelled (in Just Math) Posted on 2019-05-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Solver's choices (in Numbers) Posted on 2019-05-13 by Ady TZIDON (No Solution Yet, 3 Comments) Chemical deduction (in Logic) Rating: 5.00 Posted on 2019-05-13 by Danish Ahmed Khan (No Solution Yet, 10 Comments) Polynomial collections! (in Just Math) Posted on 2019-05-11 by Danish Ahmed Khan (No Solution Yet, 15 Comments) Three Orthogonal Chords (in Geometry) Posted on 2019-05-10 by Brian Smith (No Solution Yet, 2 Comments) No copying, students (in Probability) Posted on 2019-05-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Integer coordinates (in Numbers) Posted on 2019-05-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Odd partition (in Numbers) Posted on 2019-05-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) A hairy problem (in Just Math) Posted on 2019-05-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Summed LCM (in Numbers) Posted on 2019-05-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Damaged calculator (in Numbers) Posted on 2019-05-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Cosmological Logic (in Logic) Posted on 2019-05-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Double Composition (in Just Math) Posted on 2019-05-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments) A geometric gangster shooting (in Just Math) Rating: 4.00 Posted on 2019-05-06 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Sections in parallelogram (in Geometry) Posted on 2019-05-05 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Diagonal mystery (in Geometry) Posted on 2019-05-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Paired number GCD and LCM (in Numbers) Posted on 2019-05-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Single, Double & Triple Scoops (in Just Math) Posted on 2019-05-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The right time (in Just Math) Posted on 2019-05-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The powers and the exponent (in Calculus) Posted on 2019-05-01 by Brian Smith (No Solution Yet, 1 Comments) Missing letter (in Logic) Posted on 2019-05-01 by Danish Ahmed Khan (No Solution Yet, 6 Comments) The special ones among the group (in Numbers) Posted on 2019-04-30 by Danish Ahmed Khan (No Solution Yet, 3 Comments) 9-ending numbers (in Numbers) Posted on 2019-04-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 37 and 0s (in Numbers) Posted on 2019-04-29 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Rectangle pegs in a round hole (in Just Math) Posted on 2019-04-28 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Trirectangular Corner Locus (in Shapes) Posted on 2019-04-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Inequality in lengths of pentagon (in Just Math) Posted on 2019-04-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Bit filling in 5*5 grid! (in Just Math) Posted on 2019-04-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Arithmetic prime (in Numbers) Posted on 2019-04-25 by Danish Ahmed Khan (No Solution Yet, 3 Comments) He stole my ball! (in Probability) Posted on 2019-04-24 by Danish Ahmed Khan (No Solution Yet, 8 Comments) How many qualified numbers? (in Numbers) Posted on 2019-04-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Based upon a secret (in Sequences) Posted on 2019-04-23 by Ady TZIDON (No Solution Yet, 3 Comments) Seven positive numbers (in Numbers) Posted on 2019-04-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Constructed length ratio (in Geometry) Posted on 2019-04-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Factor hints II (in Numbers) Posted on 2019-04-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments) A Jewish dilemma (in Word Problems) Posted on 2019-04-19 by Ady TZIDON (No Solution Yet, 1 Comments) Factor hints (in Numbers) Posted on 2019-04-18 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Simple Adding (in Numbers) Posted on 2019-04-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Looks like Cauchy (in Just Math) Posted on 2019-04-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Breaking the Jewel code (in Numbers) Rating: 5.00 Posted on 2019-04-17 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Family ages (in Numbers) Posted on 2019-04-16 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Tunneling through a mine car (in Just Math) Posted on 2019-04-16 by Danish Ahmed Khan (No Solution Yet, 25 Comments) 2000 9s (in Numbers) Posted on 2019-04-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Number Donuts (in Logic) Posted on 2019-04-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Polynomial phobia abandoned! (in Just Math) Posted on 2019-04-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments) The midpoint of Tangency (in Geometry) Posted on 2019-04-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Finding Quadratic (in Just Math) Posted on 2019-04-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 4 and 5 powered (in Numbers) Posted on 2019-04-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments) The number n in n^2 (in Numbers) Posted on 2019-04-11 by Math Man (No Solution Yet, 3 Comments) Does the hexagon exist? (in Geometry) Posted on 2019-04-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Not more than one (in Just Math) Posted on 2019-04-10 by Ady TZIDON (No Solution Yet, 1 Comments) Based on threes! (in Numbers) Posted on 2019-04-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Matrixed Fibonacci (in Just Math) Posted on 2019-04-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Some reciprocal summed (in Numbers) Posted on 2019-04-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The devilish 9 roots (in Just Math) Posted on 2019-04-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Imagine the world (in Shapes) Posted on 2019-04-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Mobile screen under Sunlight (in Science) Posted on 2019-04-05 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Hot and Cold Cubes (in Science) Posted on 2019-04-04 by Brian Smith (No Solution Yet, 6 Comments) Asymmetrical String (in Numbers) Posted on 2019-04-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Hy-Spherical (in Shapes) Posted on 2019-04-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Sine in Exponent (in Just Math) Posted on 2019-04-03 by Danish Ahmed Khan (No Solution Yet, 17 Comments) Hexagon Angles Needed (in Shapes) Posted on 2019-04-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Taramasalata inspired world (in Word Problems) Rating: 4.50 Posted on 2019-04-01 by Ady TZIDON (No Solution Yet, 21 Comments) The next 0, 1, 2 (in Sequences) Posted on 2019-04-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments) 6 is easy - 5 & 7 not quite ! (in Numbers) Rating: 3.00 Posted on 2019-03-31 by Ady TZIDON (No Solution Yet, 5 Comments) Vertices to incircle (in Shapes) Posted on 2019-03-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) More Discs in a Triangle (in Geometry) Posted on 2019-03-29 by Brian Smith (No Solution Yet, 2 Comments) Radical Factorials (in Just Math) Posted on 2019-03-29 by Danish Ahmed Khan (No Solution Yet, 0 Comments) Closer to your roots (in Just Math) Posted on 2019-03-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Calculus in the interval (in Calculus) Posted on 2019-03-28 by Danish Ahmed Khan (No Solution Yet, 0 Comments) A Divisor Diversion (in Numbers) Rating: 5.00 Posted on 2019-03-27 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Locate the inflection point (in Just Math) Posted on 2019-03-26 by Ady TZIDON (No Solution Yet, 1 Comments) Divisor in between (in Numbers) Posted on 2019-03-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Larger Square (in Numbers) Posted on 2019-03-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Matrix rank? (in Just Math) Posted on 2019-03-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Mean=Median=Mode (in Just Math) Rating: 3.00 Posted on 2019-03-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Cubic transformation (in Just Math) Posted on 2019-03-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Too many to work with (in Geometry) Posted on 2019-03-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Power Polynomial (in Just Math) Posted on 2019-03-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Sum of reciprocals (in Numbers) Posted on 2019-03-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Sick-quence (in Just Math) Rating: 4.00 Posted on 2019-03-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Math is radical (in Numbers) Rating: 3.00 Posted on 2019-03-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Factor it (in Numbers) Posted on 2019-03-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Is this circular billiards? (in Geometry) Posted on 2019-03-18 by Brian Smith (No Solution Yet, 4 Comments) Weird equations (in Just Math) Rating: 3.00 Posted on 2019-03-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Descartes roots (in Just Math) Posted on 2019-03-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Quad composition (in Just Math) Posted on 2019-03-16 by Danish Ahmed Khan (No Solution Yet, 4 Comments) The Tiny Triangle (in Shapes) Posted on 2019-03-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Where is the center? (in Geometry) Rating: 5.00 Posted on 2019-03-15 by Danish Ahmed Khan (No Solution Yet, 13 Comments) 'Two' many roots (in Just Math) Posted on 2019-03-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Mean the roots (in Calculus) Posted on 2019-03-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Shifting the digit II (in Numbers) Posted on 2019-03-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments) A Golden Fraction (in Numbers) Posted on 2019-03-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Digit Deduction (in Numbers) Rating: 5.00 Posted on 2019-03-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Shifting the digit (in Numbers) Posted on 2019-03-11 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Median formula (in Just Math) Rating: 3.00 Posted on 2019-03-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Envelop the rhombuses (in Shapes) Rating: 5.00 Posted on 2019-03-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Minimizing the Denominator (in Numbers) Rating: 3.00 Posted on 2019-03-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A change of clothes (in Word Problems) Rating: 5.00 Posted on 2019-03-08 by Math Man (No Solution Yet, 3 Comments) Rectangle on a cubic (in Just Math) Posted on 2019-03-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Corruption in my file (in Probability) Posted on 2019-03-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) What's the calculator doing? (in General) Posted on 2019-03-06 by Jer (No Solution Yet, 4 Comments) A Great Greatest Common Divisor (in Numbers) Posted on 2019-03-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments) One step towards Regularity (in Geometry) Posted on 2019-03-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Can rationalization help? (in Geometry) Posted on 2019-03-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Subdivided parallelogram (in Geometry) Posted on 2019-03-04 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Do defects have benefits? (in Science) Posted on 2019-03-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Tan-ing the sine (in Just Math) Posted on 2019-03-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments) The Great Comparison (in Numbers) Posted on 2019-03-02 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Summing the pairs (in Just Math) Posted on 2019-03-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments) 2018 to 2019 (in Numbers) Rating: 5.00 Posted on 2019-03-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments) And counting (in Numbers) Posted on 2019-02-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Shifted regions (in Just Math) Posted on 2019-02-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Expanding Annulus (in Science) Posted on 2019-02-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Counting Digit (in Numbers) Posted on 2019-02-25 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Incentroid (in Geometry) Rating: 3.00 Posted on 2019-02-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Outfoxing a fox (in Calculus) Posted on 2019-02-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments) No Heron (in Just Math) Posted on 2019-02-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Unlikely event (in Numbers) Posted on 2019-02-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Teapot effect (in Science) Rating: 3.67 Posted on 2019-02-20 by Danish Ahmed Khan (No Solution Yet, 15 Comments) Limited reflections (in General) Posted on 2019-02-19 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Bifonacci (in Numbers) Posted on 2019-02-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Chacun à son goût ! (in Just Math) Posted on 2019-02-18 by Ady TZIDON (No Solution Yet, 3 Comments) Outcoming (in Geometry) Rating: 4.50 Posted on 2019-02-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Algebra? (in Just Math) Posted on 2019-02-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments) I squeeze, squeeze, and squeeze (in Geometry) Posted on 2019-02-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Quick Divisiblity Proof (in Numbers) Posted on 2019-02-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Recovering the number (in Numbers) Posted on 2019-02-13 by Ady TZIDON (No Solution Yet, 2 Comments) The Cut Cube (in Shapes) Posted on 2019-02-13 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Triangle area / perimeter (in Just Math) Posted on 2019-02-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Walking and Running (in General) Rating: 4.00 Posted on 2019-02-12 by Brian Smith (No Solution Yet, 5 Comments) 600 sixes (in Numbers) Posted on 2019-02-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Does It Continue? 11 (in Just Math) Rating: 5.00 Posted on 2019-02-10 by Brian Smith (No Solution Yet, 3 Comments) Equal Circles (in Geometry) Posted on 2019-02-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments) A Walking puzzle (in Just Math) Posted on 2019-02-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Spheres on a floor (in Geometry) Rating: 5.00 Posted on 2019-02-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Counting votes from percentages (in Just Math) Rating: 4.00 Posted on 2019-02-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Thunderstorm (in Just Math) Posted on 2019-02-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 2 sets of primes (in Numbers) Posted on 2019-02-04 by Ady TZIDON (No Solution Yet, 5 Comments) 3 coprime unknowns (in Numbers) Posted on 2019-02-04 by Ady TZIDON (No Solution Yet, 2 Comments) Integers inside surds (in Numbers) Posted on 2019-02-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Binomial dilemma (in Just Math) Rating: 3.00 Posted on 2019-02-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Neighbors differ by even numbers (in Numbers) Posted on 2019-02-01 by Ady TZIDON (No Solution Yet, 2 Comments) OMG Equation (in Just Math) Posted on 2019-02-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Quick factors (in Numbers) Posted on 2019-01-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments) 48th digit in the head (in Just Math) Posted on 2019-01-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Consistency parameter (in Just Math) Posted on 2019-01-30 by Ady TZIDON (No Solution Yet, 3 Comments) Digit Anagram II (in Numbers) Rating: 3.00 Posted on 2019-01-29 by Danish Ahmed Khan (No Solution Yet, 11 Comments) Smaller product (in Just Math) Posted on 2019-01-29 by Ady TZIDON (No Solution Yet, 2 Comments) An enumeration problem (in Just Math) Posted on 2019-01-28 by Ady TZIDON (No Solution Yet, 1 Comments) Areal equality (in Geometry) Posted on 2019-01-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Digit Hunting (in Just Math) Posted on 2019-01-26 by Danish Ahmed Khan (No Solution Yet, 4 Comments) Art Image (in General) Rating: 2.33 Posted on 2019-01-25 by Ady TZIDON (No Solution Yet, 12 Comments) Uniform distribution (in Probability) Posted on 2019-01-25 by Ady TZIDON (No Solution Yet, 9 Comments) Digit Anagram (in Numbers) Rating: 5.00 Posted on 2019-01-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Smooth Sum Situation (in Sequences) Rating: 3.00 Posted on 2019-01-23 by Brian Smith (No Solution Yet, 3 Comments) Half a dozen of weights (in Weights and Scales) Posted on 2019-01-23 by Ady TZIDON (No Solution Yet, 1 Comments) Repunits (in Numbers) Posted on 2019-01-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Square+27 (in Numbers) Posted on 2019-01-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments) An Average Student (in Numbers) Posted on 2019-01-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 16 choices (in Just Math) Posted on 2019-01-21 by Ady TZIDON (No Solution Yet, 5 Comments) 3^n is a sum of 3 squares (in Numbers) Posted on 2019-01-20 by Ady TZIDON (No Solution Yet, 1 Comments) Extreme Rationalization (in Numbers) Posted on 2019-01-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments) The source of two terms (in General) Posted on 2019-01-18 by Ady TZIDON (No Solution Yet, 3 Comments) Worm ate the numbers (in Numbers) Posted on 2019-01-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments) From unrelated words to family (in Word Problems) Rating: 5.00 Posted on 2019-01-17 by Ady TZIDON (No Solution Yet, 2 Comments) From ab to ba (in Logic) Rating: 3.00 Posted on 2019-01-17 by Ady TZIDON (No Solution Yet, 2 Comments) Grid nim: 2xN (in Games) Rating: 4.50 Posted on 2019-01-16 by Jer (No Solution Yet, 8 Comments) Factorial Tremors (in Numbers) Posted on 2019-01-16 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Dial W for WORD (in Word Problems) Posted on 2019-01-15 by Ady TZIDON (No Solution Yet, 1 Comments) Discounted velos (in Just Math) Posted on 2019-01-15 by Ady TZIDON (No Solution Yet, 1 Comments) Reach home (in Just Math) Posted on 2019-01-14 by Danish Ahmed Khan (No Solution Yet, 13 Comments) N cups on a turntable (in Just Math) Rating: 5.00 Posted on 2019-01-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Two triangles in a square (in Geometry) Posted on 2019-01-12 by Jer (No Solution Yet, 3 Comments) Ten ways to pack a cube? (in Shapes) Posted on 2019-01-11 by Brian Smith (No Solution Yet, 1 Comments) Cover the rectangle (in Just Math) Posted on 2019-01-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Small difference (in Word Problems) Posted on 2019-01-09 by Ady TZIDON (No Solution Yet, 1 Comments) Sine recurrence (in Just Math) Posted on 2019-01-08 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Equation! Just do it. (in Just Math) Posted on 2019-01-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Square alphametics (in Numbers) Rating: 3.00 Posted on 2019-01-06 by Ady TZIDON (No Solution Yet, 1 Comments) Defining a number (in Numbers) Posted on 2019-01-05 by Ady TZIDON (No Solution Yet, 2 Comments) Designing Planets (in Science) Rating: 1.00 Posted on 2019-01-04 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Ring in the New - again and again and again.. (in Numbers) Rating: 5.00 Posted on 2019-01-01 by broll (No Solution Yet, 2 Comments) 24 pre-scheduled dates (in Just Math) Posted on 2018-12-31 by Ady TZIDON (No Solution Yet, 1 Comments) 2 sets with common members (in Numbers) Posted on 2018-12-30 by Ady TZIDON (No Solution Yet, 3 Comments) CC & ET Expanded (in Just Math) Posted on 2018-12-29 by broll (No Solution Yet, 2 Comments) Restoring a multiplication sample (in Just Math) Posted on 2018-12-27 by Ady TZIDON (No Solution Yet, 1 Comments) Guessing the color (in Logic) Rating: 5.00 Posted on 2018-12-24 by Ady TZIDON (No Solution Yet, 2 Comments) A Circle Between the Bell Curves (in Calculus) Posted on 2018-12-23 by Brian Smith (No Solution Yet, 2 Comments) Complex (in Just Math) Rating: 4.00 Posted on 2018-12-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Probably Acute (in Just Math) Rating: 5.00 Posted on 2018-12-21 by Danish Ahmed Khan (No Solution Yet, 12 Comments) Copy and Construct (in Geometry) Posted on 2018-12-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Restoring a definition (in Word Problems) Posted on 2018-12-19 by Ady TZIDON (No Solution Yet, 1 Comments) Cover half a square (in Geometry) Posted on 2018-12-18 by Jer (No Solution Yet, 3 Comments) Always zero or four (in Numbers) Posted on 2018-12-16 by Ady TZIDON (No Solution Yet, 1 Comments) Concentric Circles and Equilateral Triangle (in Just Math) Rating: 5.00 Posted on 2018-12-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Colored triangle (in Sequences) Rating: 4.00 Posted on 2018-12-14 by Jer (No Solution Yet, 10 Comments) Discs in Triangle (in Geometry) Rating: 3.50 Posted on 2018-12-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Hoops (in Just Math) Posted on 2018-12-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Rolling Ellipse (in Geometry) Posted on 2018-12-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments) 8 distinct partitions (in Numbers) Posted on 2018-12-06 by Ady TZIDON (No Solution Yet, 6 Comments) Square after square creates a new square (in Numbers) Posted on 2018-12-05 by Ady TZIDON (No Solution Yet, 3 Comments) Heptagonal Beauty (in Geometry) Posted on 2018-12-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Sudoku 1 (starting clues) (in Games) Rating: 1.00 Posted on 2018-11-30 by Ady TZIDON (No Solution Yet, 7 Comments) Esot(e)ric word (in Word Problems) Posted on 2018-11-29 by Ady TZIDON (No Solution Yet, 2 Comments) Increasing numbers representation (in Sequences) Posted on 2018-11-28 by Ady TZIDON (No Solution Yet, 2 Comments) 5 circles in a hexagon. (in Geometry) Posted on 2018-11-25 by Jer (No Solution Yet, 9 Comments) Distance squared (in Calculus) Posted on 2018-11-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Mean Diagonals (in Calculus) Posted on 2018-11-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments) 3 equal products (in Numbers) Posted on 2018-11-21 by Ady TZIDON (No Solution Yet, 10 Comments) All Primes (in Just Math) Posted on 2018-11-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments) MOI of a magic square (in Just Math) Posted on 2018-11-16 by Ady TZIDON (No Solution Yet, 0 Comments) Sine of Squared (in Calculus) Rating: 5.00 Posted on 2018-11-15 by Danish Ahmed Khan (No Solution Yet, 6 Comments) The penultimate digit (in Just Math) Posted on 2018-11-12 by Ady TZIDON (No Solution Yet, 2 Comments) Too Small of an Angle (in Just Math) Posted on 2018-11-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments) The Unit Square in the Circle (in Geometry) Posted on 2018-11-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments) 3D rooks puzzle (in Just Math) Rating: 3.00 Posted on 2018-11-09 by Ady TZIDON (No Solution Yet, 3 Comments) Tangent Ellipses (in Just Math) Posted on 2018-11-08 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Body parts (in Riddles) Rating: 5.00 Posted on 2018-11-06 by Math Man (No Solution Yet, 8 Comments) Duelling pairs (in Games) Posted on 2018-11-02 by Ady TZIDON (No Solution Yet, 16 Comments) Reverse reasoning (in Logic) Posted on 2018-11-01 by Ady TZIDON (No Solution Yet, 3 Comments) Defining a sequence (in Just Math) Posted on 2018-10-31 by Ady TZIDON (No Solution Yet, 3 Comments) One-peak sets (in Just Math) Posted on 2018-10-30 by Ady TZIDON (No Solution Yet, 4 Comments) Zeta sine (in Just Math) Posted on 2018-10-28 by Danish Ahmed Khan (No Solution Yet, 6 Comments) A 3-digit number (in Numbers) Posted on 2018-10-27 by Ady TZIDON (No Solution Yet, 13 Comments) The wisdom of Windsor (in Word Problems) Posted on 2018-10-26 by Ady TZIDON (No Solution Yet, 2 Comments) Matching 27 (in Numbers) Posted on 2018-10-24 by Ady TZIDON (No Solution Yet, 1 Comments) One trial only! (in Weights and Scales) Posted on 2018-10-22 by Ady TZIDON (No Solution Yet, 1 Comments) Equation with factorial (in Just Math) Posted on 2018-10-20 by Ady TZIDON (No Solution Yet, 1 Comments) A series of primes equals N (in Numbers) Posted on 2018-10-19 by Ady TZIDON (No Solution Yet, 2 Comments) Parcelation (in Geometry) Posted on 2018-10-18 by Ady TZIDON (No Solution Yet, 2 Comments) A partial cryptoquote (in Word Problems) Posted on 2018-10-15 by Ady TZIDON (No Solution Yet, 1 Comments) Introducing sphenic numbers (in Numbers) Posted on 2018-10-14 by Ady TZIDON (No Solution Yet, 3 Comments) Within a triangle (in Geometry) Rating: 3.00 Posted on 2018-10-13 by Ady TZIDON (No Solution Yet, 1 Comments) Emirps census (in Sequences) Posted on 2018-10-12 by Ady TZIDON (No Solution Yet, 2 Comments) Reversal creates average (in Sequences) Posted on 2018-10-10 by Ady TZIDON (No Solution Yet, 7 Comments) Calling spade a spade (in Numbers) Posted on 2018-10-07 by Ady TZIDON (No Solution Yet, 1 Comments) Feathers of different colors (in Numbers) Posted on 2018-10-06 by Ady TZIDON (No Solution Yet, 2 Comments) 2Z out (in Sequences) Rating: 5.00 Posted on 2018-10-05 by Ady TZIDON (No Solution Yet, 2 Comments) Who pinched the dice? (in Probability) Posted on 2018-10-04 by broll (No Solution Yet, 10 Comments) At least 3 zeroes (in Sequences) Posted on 2018-10-03 by Ady TZIDON (No Solution Yet, 5 Comments) Monty Hall variant (in Probability) Posted on 2018-09-30 by Jer (No Solution Yet, 6 Comments) Prime magic (in Numbers) Posted on 2018-09-29 by Ady TZIDON (No Solution Yet, 4 Comments) Prime phone (in Numbers) Posted on 2018-09-28 by Ady TZIDON (No Solution Yet, 1 Comments) Any conclusions? (in Logic) Posted on 2018-09-26 by Ady TZIDON (No Solution Yet, 2 Comments) True or not (in General) Posted on 2018-09-25 by Ady TZIDON (No Solution Yet, 6 Comments) Antigrams wanted (in Word Problems) Rating: 5.00 Posted on 2018-09-21 by Ady TZIDON (No Solution Yet, 6 Comments) One rope, two flagpoles... (in Logic) Rating: 5.00 Posted on 2018-09-18 by Ady TZIDON (No Solution Yet, 4 Comments) Name the sequence (in Sequences) Posted on 2018-09-17 by Ady TZIDON (No Solution Yet, 5 Comments) 31 days ago (in Word Problems) Posted on 2018-09-15 by Ady TZIDON (No Solution Yet, 2 Comments) Always solvable (in Numbers) Posted on 2018-09-15 by Ady TZIDON (No Solution Yet, 2 Comments) A packing exercise (in Shapes) Posted on 2018-09-14 by Ady TZIDON (No Solution Yet, 5 Comments) A formal proof requested (in Just Math) Rating: 3.00 Posted on 2018-09-13 by Ady TZIDON (No Solution Yet, 2 Comments) It is either O or E (in General) Rating: 2.00 Posted on 2018-09-12 by Ady TZIDON (No Solution Yet, 5 Comments) Lefties and righties 2 (in Logic) Rating: 3.00 Posted on 2018-09-11 by Math Man (No Solution Yet, 4 Comments) Fibo meets Lucas #1 (in Numbers) Posted on 2018-09-09 by Ady TZIDON (No Solution Yet, 2 Comments) Compare them (in Numbers) Posted on 2018-09-08 by Ady TZIDON (No Solution Yet, 7 Comments) A Cone and a Sphere (in Just Math) Posted on 2018-09-07 by Danish Ahmed Khan (No Solution Yet, 6 Comments) Weight of nothing in an elevator (in Science) Posted on 2018-09-06 by Jer (No Solution Yet, 6 Comments) How to do it? (in Geometry) Rating: 5.00 Posted on 2018-09-05 by Ady TZIDON (No Solution Yet, 11 Comments) Around the beast number (in Numbers) Posted on 2018-09-04 by Ady TZIDON (No Solution Yet, 4 Comments) Ones vs twos (in Numbers) Rating: 3.00 Posted on 2018-09-03 by Ady TZIDON (No Solution Yet, 30 Comments) Summing up factorials (in Numbers) Posted on 2018-09-02 by Ady TZIDON (No Solution Yet, 1 Comments) Complicated Tangency (in Geometry) Posted on 2018-09-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments) A pet ant (in Shapes) Posted on 2018-08-31 by Jer (No Solution Yet, 3 Comments) Ignoring an error (in Just Math) Posted on 2018-08-30 by Ady TZIDON (No Solution Yet, 2 Comments) Sufficient or not? (in Numbers) Rating: 5.00 Posted on 2018-08-29 by Ady TZIDON (No Solution Yet, 6 Comments) Power tower (in Numbers) Posted on 2018-08-26 by Jer (No Solution Yet, 1 Comments) A set of numbers (in Numbers) Posted on 2018-08-25 by Ady TZIDON (No Solution Yet, 1 Comments) Ant highway with energy loss (in Calculus) Posted on 2018-08-24 by Jer (No Solution Yet, 9 Comments) Tax deduction (in Numbers) Rating: 3.00 Posted on 2018-08-22 by Jer (No Solution Yet, 6 Comments) Tiling 3x110 grid (in Just Math) Rating: 4.33 Posted on 2018-08-21 by Ady TZIDON (No Solution Yet, 9 Comments) Winner moves (in Probability) Posted on 2018-08-20 by Jer (No Solution Yet, 2 Comments) What's next? (3) (in Sequences) Posted on 2018-08-19 by Ady TZIDON (No Solution Yet, 3 Comments) Just a search (in Numbers) Posted on 2018-08-18 by Ady TZIDON (No Solution Yet, 5 Comments) Ant highway (in Shapes) Posted on 2018-08-17 by Jer (No Solution Yet, 3 Comments) In Memoriam (in Numbers) Rating: 5.00 Posted on 2018-08-16 by Ady TZIDON (No Solution Yet, 10 Comments) Roll away (in Calculus) Posted on 2018-08-15 by Jer (No Solution Yet, 5 Comments) Tippy table (in Shapes) Posted on 2018-08-14 by Jer (No Solution Yet, 3 Comments) 31 created by 4 successive integers (in Numbers) Rating: 3.00 Posted on 2018-08-13 by Ady TZIDON (No Solution Yet, 7 Comments) Six or less? (in Just Math) Posted on 2018-08-09 by Ady TZIDON (No Solution Yet, 6 Comments) Shirtless ? Even nude! (in Numbers) Posted on 2018-08-07 by Ady TZIDON (No Solution Yet, 3 Comments) When P. meets F. (in Just Math) Posted on 2018-08-06 by Ady TZIDON (No Solution Yet, 2 Comments) 7 in row (in Numbers) Posted on 2018-08-05 by Ady TZIDON (No Solution Yet, 2 Comments) Goldbach's double (in Just Math) Posted on 2018-08-04 by Ady TZIDON (No Solution Yet, 1 Comments) 1st 101-digit prime (in Numbers) Rating: 3.00 Posted on 2018-08-02 by Ady TZIDON (No Solution Yet, 3 Comments) Ten to five (in Numbers) Rating: 3.00 Posted on 2018-07-30 by Ady TZIDON (No Solution Yet, 7 Comments) Square - both ways (in Numbers) Posted on 2018-07-28 by Ady TZIDON (No Solution Yet, 3 Comments) 8191 has a partner (in Numbers) Posted on 2018-07-26 by Ady TZIDON (No Solution Yet, 3 Comments) 99 as an example (in Numbers) Rating: 5.00 Posted on 2018-07-22 by Ady TZIDON (No Solution Yet, 2 Comments) Odd-abundant numbers. (in Numbers) Posted on 2018-07-21 by Ady TZIDON (No Solution Yet, 2 Comments) White to move (in Games) Posted on 2018-07-20 by Ady TZIDON (No Solution Yet, 6 Comments) Albums ?? (in Just Math) Posted on 2018-07-18 by Ady TZIDON (No Solution Yet, 2 Comments) Truncatable primes (in Numbers) Posted on 2018-07-15 by Ady TZIDON (No Solution Yet, 2 Comments) Counting sudokus (in Numbers) Posted on 2018-07-13 by Ady TZIDON (No Solution Yet, 6 Comments) Probability of being coprime (in Probability) Posted on 2018-07-11 by Ady TZIDON (No Solution Yet, 4 Comments) Magic square of cubes (in Numbers) Posted on 2018-07-05 by Ady TZIDON (No Solution Yet, 1 Comments) Some prime sequences (in Numbers) Posted on 2018-07-04 by Ady TZIDON (No Solution Yet, 11 Comments) Who's on the second base? (in Numbers) Posted on 2018-07-01 by Ady TZIDON (No Solution Yet, 1 Comments) 7 come zero (in Probability) Rating: 5.00 Posted on 2018-06-28 by Ady TZIDON (No Solution Yet, 5 Comments) Summing consecutive factorials (in Just Math) Posted on 2018-06-26 by Ady TZIDON (No Solution Yet, 7 Comments) A simple equation (in Just Math) Posted on 2018-06-24 by Ady TZIDON (No Solution Yet, 3 Comments) Sum of reciprocals (in Just Math) Posted on 2018-06-22 by Ady TZIDON (No Solution Yet, 2 Comments) 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, 6 Comments) Space guys (in Just Math) Posted on 2018-06-19 by Ady TZIDON (No Solution Yet, 2 Comments) Square Divisiblity (in Numbers) Rating: 3.00 Posted on 2018-06-17 by Daniel (No Solution Yet, 4 Comments) Zero is the last digit of S (in Numbers) Rating: 5.00 Posted on 2018-06-16 by Ady TZIDON (No Solution Yet, 3 Comments) Play until you win (in Probability) Posted on 2018-06-15 by Jer (No Solution Yet, 1 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, 4 Comments) Cyclic Quadrilateral Tessellation (in Geometry) Posted on 2018-06-09 by Jer (No Solution Yet, 0 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) Rating: 2.00 Posted on 2018-06-04 by Ady TZIDON (No Solution Yet, 11 Comments) Equidistant point (in Geometry) Rating: 3.00 Posted on 2018-06-03 by Ady TZIDON (No Solution Yet, 4 Comments) The Petersen graph (in Logic) Posted on 2018-06-02 by Math Man (No Solution Yet, 1 Comments) Ls, Os & Ses left ... (in Word Problems) Rating: 3.00 Posted on 2018-06-01 by Ady TZIDON (No Solution Yet, 3 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) Self-numbers and generators (in Numbers) Posted on 2018-05-23 by Ady TZIDON (No Solution Yet, 8 Comments) Another True Story (in General) Posted on 2018-05-22 by broll (No Solution Yet, 3 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) Equally Spaced (in Geometry) Posted on 2018-05-13 by Bractals (No Solution Yet, 4 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) What is the best question? (in Probability) Rating: 4.00 Posted on 2018-05-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Where's Bob? (in General) Rating: 4.67 Posted on 2018-05-01 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Some of these and some of those (in Numbers) Posted on 2018-04-30 by Danish Ahmed Khan (No Solution Yet, 2 Comments) It is not 42 (in Numbers) Posted on 2018-04-29 by Ady TZIDON (No Solution Yet, 2 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) XFL (in General) Posted on 2018-04-25 by Danish Ahmed Khan (No Solution Yet, 3 Comments) When polynomial and trigo unite! (in Calculus) Posted on 2018-04-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Pandigital set II (in Numbers) Posted on 2018-04-23 by Ady TZIDON (No Solution Yet, 1 Comments) If only it's a power of three (in Just Math) Posted on 2018-04-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments) An almost regular tetrahedron (in Geometry) Posted on 2018-04-20 by Danish Ahmed Khan (No Solution Yet, 3 Comments) The Devil 30-gon (in Geometry) Posted on 2018-04-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Find a Few Functions (in Calculus) Rating: 4.00 Posted on 2018-04-15 by Larry (No Solution Yet, 3 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) Angle in an Equilateral Pentagon (in Geometry) Posted on 2018-04-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Easy Peasy Parabola (in Geometry) Posted on 2018-04-11 by Danish Ahmed Khan (No Solution Yet, 1 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) Prime records (in Sequences) Rating: 4.50 Posted on 2018-04-06 by Math Man (No Solution Yet, 5 Comments) Parenthetical Integer (in Numbers) Posted on 2018-04-04 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Cube Decomposition (in Geometry) Posted on 2018-04-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Better late than never ...HNY (in Just Math) Posted on 2018-04-01 by Ady TZIDON (No Solution Yet, 3 Comments) Pascal Determinant (in Just Math) Posted on 2018-03-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Goldiolics (in Just Math) Rating: 5.00 Posted on 2018-03-30 by Danish Ahmed Khan (No Solution Yet, 6 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) Boxed Parabolas (in Geometry) Posted on 2018-03-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Not enough information! (in Science) Posted on 2018-03-23 by Danish Ahmed Khan (No Solution Yet, 7 Comments) She has moved (in Numbers) Posted on 2018-03-22 by armando (No Solution Yet, 2 Comments) Colored beads (in Just Math) Posted on 2018-03-21 by Ady TZIDON (No Solution Yet, 4 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) six and thirteen (in Numbers) Posted on 2018-03-15 by armando (No Solution Yet, 9 Comments) The Truman Show (in Geometry) Posted on 2018-03-02 by Jer (No Solution Yet, 4 Comments) Square products (in Just Math) Posted on 2018-02-27 by Math Man (No Solution Yet, 3 Comments) 4 digit number derived from a single digit (in Numbers) Posted on 2018-02-26 by Ady TZIDON (No Solution Yet, 3 Comments) Three, three and the key (in Cryptography) Rating: 4.00 Posted on 2018-02-23 by armando (No Solution Yet, 2 Comments) A sixth power in many ways (in Numbers) Posted on 2018-02-22 by Ady TZIDON (No Solution Yet, 1 Comments) Strictly non-palindromic numbers (in Numbers) Posted on 2018-02-18 by Ady TZIDON (No Solution Yet, 3 Comments) Double Secant (in Geometry) Posted on 2018-02-15 by Jer (No Solution Yet, 3 Comments) Four fours (in Numbers) Posted on 2018-02-14 by Ady TZIDON (No Solution Yet, 7 Comments) Find the arc (in Geometry) Posted on 2018-02-08 by Kenny M (No Solution Yet, 3 Comments) Carpenter's pricing (in Just Math) Posted on 2018-02-05 by Ady TZIDON (No Solution Yet, 5 Comments) Incenter and a half (in Geometry) Posted on 2018-02-03 by Jer (No Solution Yet, 3 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) 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) Quadrilateral fill in the blank (in Shapes) Posted on 2018-01-25 by Jer (No Solution Yet, 2 Comments) Champagnat numbers (in Just Math) Posted on 2018-01-23 by Ady TZIDON (No Solution Yet, 2 Comments) The Sleeping Beauty problem (in Probability) Posted on 2018-01-22 by Jer (No Solution Yet, 4 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) Fair slices (in Geometry) Posted on 2018-01-16 by Jer (No Solution Yet, 8 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) 15 letter 'words' (in Just Math) Rating: 5.00 Posted on 2018-01-11 by Jer (No Solution Yet, 4 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) 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, 2 Comments) Circumcenters and Vectors (in Geometry) Posted on 2017-12-31 by Bractals (No Solution Yet, 2 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) A prime nonuplet (in Numbers) Rating: 5.00 Posted on 2017-12-27 by Math Man (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) Magic circle revisited (in Numbers) Rating: 3.00 Posted on 2017-12-22 by Jer (No Solution Yet, 5 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, 6 Comments) East Pole, West Pole. (in General) Posted on 2017-12-19 by broll (No Solution Yet, 2 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) Squares in a rectangle (in Numbers) Posted on 2017-12-15 by Ady TZIDON (No Solution Yet, 3 Comments) Fibo's zeroes repeated (in Numbers) Posted on 2017-12-14 by Ady TZIDON (No Solution Yet, 1 Comments) LOP (in Geometry) Posted on 2017-12-13 by Bractals (No Solution Yet, 7 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, 4 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) Rating: 4.00 Posted on 2017-12-04 by Ady TZIDON (No Solution Yet, 2 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, 7 Comments) Dice stacking (in Games) Posted on 2017-11-28 by TheKPAXian (No Solution Yet, 4 Comments) Unique decimal primes (in Algorithms) Posted on 2017-11-24 by Ady TZIDON (No Solution Yet, 1 Comments) Way to go (in Riddles) Rating: 4.00 Posted on 2017-11-22 by Ady TZIDON (No Solution Yet, 5 Comments) A pandigital sum (in Numbers) Posted on 2017-11-21 by Ady TZIDON (No Solution Yet, 1 Comments) Where Did You Start? (in Just Math) Rating: 4.00 Posted on 2017-11-16 by chun (No Solution Yet, 3 Comments) Your creativity challenged (in Riddles) Posted on 2017-11-15 by Ady TZIDON (No Solution Yet, 7 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, 2 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) Rating: 3.00 Posted on 2017-11-09 by Ady TZIDON (No Solution Yet, 5 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, 4 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) Rating: 3.00 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, 3 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) 2 ways to prove it (in Just Math) Rating: 4.00 Posted on 2017-10-31 by Ady TZIDON (No Solution Yet, 4 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) More Than One Solution? (in Games) Rating: 3.00 Posted on 2017-10-26 by Charlie (No Solution Yet, 3 Comments) Obtuse angle? (in Probability) Posted on 2017-10-25 by Ady TZIDON (No Solution Yet, 3 Comments) Urban architecture (in Word Problems) Posted on 2017-10-23 by Ady TZIDON (No Solution Yet, 3 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, 6 Comments) 3 lowest score words (in Word Problems) Rating: 5.00 Posted on 2017-10-20 by Ady TZIDON (No Solution Yet, 3 Comments) Does it continue? An original. (in Numbers) Posted on 2017-10-20 by Jer (No Solution Yet, 7 Comments) The Odds Must Be Crazy (in Probability) Posted on 2017-10-19 by Ady TZIDON (No Solution Yet, 4 Comments) Alfey revava ... (in General) Posted on 2017-10-17 by Ady TZIDON (No Solution Yet, 3 Comments) He, me, and you (in Word Problems) Posted on 2017-10-16 by Ady TZIDON (No Solution Yet, 2 Comments) Two-three integers (in Numbers) Posted on 2017-10-15 by Ady TZIDON (No Solution Yet, 6 Comments) If two then three (in Just Math) Posted on 2017-10-14 by Jer (No Solution Yet, 1 Comments) Clear and Simple (in Cryptography) Posted on 2017-10-12 by broll (No Solution Yet, 0 Comments) Equal Power Sum Sets (in Numbers) Posted on 2017-10-11 by Jer (No Solution Yet, 1 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) Does it continue? 10: Alternate differences (in Numbers) Posted on 2017-10-07 by Jer (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, 7 Comments) Does it continue? 9: Diophantine friends (in Numbers) Posted on 2017-10-03 by Jer (No Solution Yet, 1 Comments) A set of ages (in Just Math) Posted on 2017-10-02 by Ady TZIDON (No Solution Yet, 1 Comments) Oddly even numbers (in Numbers) Posted on 2017-10-01 by Math Man (No Solution Yet, 1 Comments) Does it continue? 8: Prime together (in Numbers) Posted on 2017-09-30 by Jer (No Solution Yet, 1 Comments) A scrambled BEDLAM (in Just Math) Posted on 2017-09-29 by Ady TZIDON (No Solution Yet, 2 Comments) Does it continue? 7: Partial sums again (in Numbers) Posted on 2017-09-28 by Jer (No Solution Yet, 1 Comments) Toasting the eternal (in Just Math) Posted on 2017-09-27 by Ady TZIDON (No Solution Yet, 3 Comments) Does it continue? 6: Partial sums (in Numbers) Posted on 2017-09-25 by Jer (No Solution Yet, 7 Comments) Does it continue? 5: powers of 2 (in Numbers) Rating: 5.00 Posted on 2017-09-24 by Jer (No Solution Yet, 6 Comments) Solve the alpha2etic ! (in Just Math) Posted on 2017-09-23 by Ady TZIDON (No Solution Yet, 2 Comments) Does it continue? 4: Euclid's next prime (in Numbers) Posted on 2017-09-21 by Jer (No Solution Yet, 3 Comments) Does it continue? 3: Growing table of primes (in Numbers) Posted on 2017-09-19 by Jer (No Solution Yet, 3 Comments) Proving an inequality (in Geometry) Rating: 4.00 Posted on 2017-09-17 by Ady TZIDON (No Solution Yet, 1 Comments) Does it continue? 2: Prime or not? (in Numbers) Rating: 5.00 Posted on 2017-09-16 by Jer (No Solution Yet, 6 Comments) Reverse Engineering (in General) Posted on 2017-09-15 by Ady TZIDON (No Solution Yet, 3 Comments) Does it continue? 1: Chord regions (in Sequences) Posted on 2017-09-13 by Jer (No Solution Yet, 9 Comments) Sans squares (in Sequences) Posted on 2017-09-12 by Ady TZIDON (No Solution Yet, 1 Comments) MMMMMM Donut (in Just Math) Posted on 2017-09-11 by Jer (No Solution Yet, 4 Comments) Lots of lods (in Sequences) Rating: 4.67 Posted on 2017-09-10 by Ady TZIDON (No Solution Yet, 7 Comments) An unsolved double murder (in Logic) Posted on 2017-09-08 by ollie (No Solution Yet, 1 Comments) Product of 100 factorials (in Just Math) Rating: 3.50 Posted on 2017-09-07 by Ady TZIDON (No Solution Yet, 8 Comments) Who began with 50 cents? (in Just Math) Posted on 2017-09-06 by Jer (No Solution Yet, 3 Comments) The rain in Spain (in Just Math) Posted on 2017-09-05 by Ady TZIDON (No Solution Yet, 4 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) Are we there yet? (in Probability) Posted on 2017-08-30 by Kenny M (No Solution Yet, 5 Comments) Simple trains problem (in Just Math) Rating: 3.00 Posted on 2017-08-29 by Jer (No Solution Yet, 2 Comments) Triangle in a triangle (in Shapes) Posted on 2017-08-28 by Jer (No Solution Yet, 4 Comments) Avoiding lattice midpoints (in General) Rating: 5.00 Posted on 2017-08-27 by Jer (No Solution Yet, 4 Comments) Strobogrammatic to pandigital (in Numbers) Rating: 5.00 Posted on 2017-08-26 by Jer (No Solution Yet, 4 Comments) Leaving a maximal result (in Algorithms) Posted on 2017-08-25 by Ady TZIDON (No Solution Yet, 3 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) smallest large = largest small (in Logic) Rating: 3.00 Posted on 2017-08-22 by Jer (No Solution Yet, 3 Comments) A pint, please. (in General) Posted on 2017-08-20 by Jer (No Solution Yet, 3 Comments) A repunit product (in Word Problems) Posted on 2017-08-19 by Ady TZIDON (No Solution Yet, 5 Comments) Planks across a ditch (in Shapes) Rating: 4.00 Posted on 2017-08-17 by Jer (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) Ellipse in a Truncated Triangle (in Shapes) Posted on 2017-08-13 by Brian Smith (No Solution Yet, 0 Comments) Divisibility in a sequence (in Numbers) Posted on 2017-08-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Bob and Alice make a poor choice (in Numbers) Posted on 2017-08-11 by broll (No Solution Yet, 7 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) Palindromic sum (in Just Math) Posted on 2017-08-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments) A text sans (in Word Problems) Posted on 2017-08-07 by Ady TZIDON (No Solution Yet, 1 Comments) Nondivisibility by 11 (in Just Math) Rating: 4.00 Posted on 2017-08-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments) A unique Heronian triangle (in Geometry) Posted on 2017-08-05 by Jer (No Solution Yet, 6 Comments) Published in the thirties (in Famous Riddles) Rating: 4.00 Posted on 2017-08-03 by Ady TZIDON (No Solution Yet, 5 Comments) Think big (in Numbers) Posted on 2017-08-03 by Ady TZIDON (No Solution Yet, 2 Comments) Dec = xeh (in Numbers) Posted on 2017-08-02 by Jer (No Solution Yet, 5 Comments) Two parallelograms (in Geometry) Rating: 3.00 Posted on 2017-08-01 by Ady TZIDON (No Solution Yet, 4 Comments) Sequence of Sets (in Sequences) Posted on 2017-07-30 by Bractals (No Solution Yet, 1 Comments) Heronian with consecutives (in Geometry) Rating: 3.00 Posted on 2017-07-29 by Jer (No Solution Yet, 1 Comments) From The Book of Squares (in Numbers) Rating: 3.00 Posted on 2017-07-26 by Jer (No Solution Yet, 8 Comments) An ambiguous inheritance (in Just Math) Posted on 2017-07-25 by Jer (No Solution Yet, 4 Comments) Pandigitals Divided by 11 (in Numbers) Posted on 2017-07-23 by Brian Smith (No Solution Yet, 4 Comments) From Mahavira (in Just Math) Posted on 2017-07-18 by Jer (No Solution Yet, 11 Comments) Guess who (in Sequences) Posted on 2017-07-16 by Ady TZIDON (No Solution Yet, 2 Comments) Unpainting Black (in Probability) Posted on 2017-07-14 by Brian Smith (No Solution Yet, 5 Comments) Fermat numbers (in Numbers) Rating: 4.00 Posted on 2017-07-13 by Ady TZIDON (No Solution Yet, 3 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) Regular N-gon (in Geometry) Rating: 4.00 Posted on 2017-07-09 by Bractals (No Solution Yet, 2 Comments) Pythagorean H/L ratios (in Just Math) Posted on 2017-07-08 by Jer (No Solution Yet, 2 Comments) Just add 2 letters (in Word Problems) Posted on 2017-07-06 by Ady TZIDON (No Solution Yet, 3 Comments) Many Knights (in Games) Posted on 2017-07-05 by Brian Smith (No Solution Yet, 2 Comments) Larger area / larger perimeter (in Numbers) Posted on 2017-07-03 by Jer (No Solution Yet, 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) Rating: 4.00 Posted on 2017-07-01 by Ady TZIDON (No Solution Yet, 1 Comments) Square Egyptians (in Numbers) Posted on 2017-06-28 by Jer (No Solution Yet, 1 Comments) Giveaway ratios (in Numbers) Posted on 2017-06-26 by Jer (No Solution Yet, 3 Comments) Lewis Carroll's finding (in Geometry) Posted on 2017-06-25 by Ady TZIDON (No Solution Yet, 1 Comments) Combinatory logic (in Logic) Posted on 2017-06-24 by Math Man (No Solution Yet, 0 Comments) 2017 to start with (in Numbers) Posted on 2017-06-23 by Ady TZIDON (No Solution Yet, 7 Comments) Odd Egyptians (in Numbers) Posted on 2017-06-21 by Jer (No Solution Yet, 2 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, 2 Comments) Pythagoras' corner (in Geometry) Posted on 2017-06-16 by Jer (No Solution Yet, 3 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) Rating: 2.00 Posted on 2017-06-11 by Ady TZIDON (No Solution Yet, 2 Comments) Add another line (in General) Posted on 2017-06-10 by Ady TZIDON (No Solution Yet, 6 Comments) Double black (in Probability) Rating: 2.67 Posted on 2017-06-08 by Ady TZIDON (No Solution Yet, 4 Comments) 18 is not enough (in Sequences) Rating: 3.00 Posted on 2017-06-06 by Ady TZIDON (No Solution Yet, 2 Comments) Delian delight (in Geometry) Posted on 2017-06-04 by Jer (No Solution Yet, 3 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) Oleg or Erdös? (in Games) Rating: 4.00 Posted on 2017-05-26 by Ady TZIDON (No Solution Yet, 8 Comments) 5 dice (in Probability) Rating: 3.00 Posted on 2017-05-22 by Ady TZIDON (No Solution Yet, 2 Comments) Add one more circle (in Geometry) Posted on 2017-05-21 by Brian Smith (No Solution Yet, 6 Comments) Seven Point Placement (in Shapes) Rating: 4.00 Posted on 2017-05-20 by Brian Smith (No Solution Yet, 1 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, 5 Comments) Inder Taneja's discovery (in Numbers) Posted on 2017-05-11 by Ady TZIDON (No Solution Yet, 4 Comments) The length of the belt (in Geometry) Rating: 3.00 Posted on 2017-05-09 by Ady TZIDON (No Solution Yet, 6 Comments) No software allowed ! (in Numbers) Posted on 2017-05-07 by Ady TZIDON (No Solution Yet, 9 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) Many equal shapes (in Geometry) Posted on 2017-04-30 by Jer (No Solution Yet, 0 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) 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) The Dot-town Suicides (in Logic) Posted on 2017-04-20 by Ady TZIDON (No Solution Yet, 1 Comments) Is it a conic? (in Geometry) Rating: 4.00 Posted on 2017-04-19 by Jer (No Solution Yet, 7 Comments) Polygon Overlap (in Geometry) Posted on 2017-04-17 by Bractals (No Solution Yet, 2 Comments) Pandigital and square (in Numbers) Posted on 2017-04-15 by Ady TZIDON (No Solution Yet, 6 Comments) Four Random People on a Bridge (in General) Posted on 2017-04-14 by Brian Smith (No Solution Yet, 2 Comments) Growth Potential (in Algorithms) Rating: 4.00 Posted on 2017-04-13 by Ady TZIDON (No Solution Yet, 4 Comments) Sticks in a Cube (in Shapes) Posted on 2017-04-11 by Brian Smith (No Solution Yet, 3 Comments) Names in Boxes (in Logic) Rating: 4.00 Posted on 2017-04-09 by Ady TZIDON (No Solution Yet, 15 Comments) Excellent numbers (in Numbers) Posted on 2017-04-08 by Ady TZIDON (No Solution Yet, 3 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) 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) Murder in the Castle (in Logic) Rating: 4.00 Posted on 2017-03-30 by ollie (No Solution Yet, 4 Comments) Over 18 (in Sequences) Posted on 2017-03-29 by Ady TZIDON (No Solution Yet, 3 Comments) Why is it D2? (in Numbers) Posted on 2017-03-27 by Ady TZIDON (No Solution Yet, 4 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, 5 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) A rare palindrome (in Numbers) Posted on 2017-03-18 by Ady TZIDON (No Solution Yet, 1 Comments) Same side story (in Probability) Posted on 2017-03-16 by Ady TZIDON (No Solution Yet, 5 Comments) Integers and their sums of digits (in Just Math) Posted on 2017-03-13 by Ady TZIDON (No Solution Yet, 3 Comments) A Square Slab and a Cube (in Shapes) Posted on 2017-03-12 by Brian Smith (No Solution Yet, 2 Comments) Three heights in a triangle (in Geometry) Posted on 2017-03-11 by Ady TZIDON (No Solution Yet, 2 Comments) Staircases in a Cube (in Shapes) Posted on 2017-03-10 by Brian Smith (No Solution Yet, 1 Comments) 1 progression, 2 sums, 3 numbers (in Just Math) Posted on 2017-03-09 by Ady TZIDON (No Solution Yet, 1 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) Run Away Redux (in Games) Rating: 3.00 Posted on 2017-03-03 by Brian Smith (No Solution Yet, 3 Comments) Only real x counted (in Probability) Posted on 2017-03-01 by Ady TZIDON (No Solution Yet, 3 Comments) Rectangle Point (in Geometry) Posted on 2017-02-28 by Bractals (No Solution Yet, 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) Fibonacci Fib (in Sequences) Rating: 5.00 Posted on 2017-02-23 by Math Man (No Solution Yet, 1 Comments) Italian, English, and both (in General) Rating: 4.00 Posted on 2017-02-22 by Ady TZIDON (No Solution Yet, 6 Comments) Circumcenters and Incenters (in Geometry) Rating: 5.00 Posted on 2017-02-19 by Bractals (No Solution Yet, 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, 1 Comments) Odds are ... (in Probability) Rating: 3.50 Posted on 2017-02-14 by Ady TZIDON (No Solution Yet, 11 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, 1 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) A better approximate Pythagorean Theorem (in Calculus) Posted on 2017-02-08 by Jer (No Solution Yet, 1 Comments) Forward and Backward Word Values (in General) Rating: 4.50 Posted on 2017-02-07 by Brian Smith (No Solution Yet, 5 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) The Almost Pythagorean Theorem (in Calculus) Rating: 3.00 Posted on 2017-02-03 by Jer (No Solution Yet, 1 Comments) T better than S (in Famous Riddles) Rating: 2.00 Posted on 2017-02-02 by Ady TZIDON (No Solution Yet, 3 Comments) Given VI, evaluate VII (in Sequences) Posted on 2017-02-01 by Ady TZIDON (No Solution Yet, 1 Comments) Multiples with 3 (in Numbers) Rating: 5.00 Posted on 2017-01-31 by Brian Smith (No Solution Yet, 3 Comments) Opening your eyes (in Famous Riddles) Rating: 2.00 Posted on 2017-01-28 by Ady TZIDON (No Solution Yet, 3 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) Topical Quotation V (in Word Problems) Posted on 2017-01-18 by Charlie (No Solution Yet, 1 Comments) An interesting recurrence (in Numbers) Rating: 5.00 Posted on 2017-01-17 by Math Man (No Solution Yet, 5 Comments) Age Progression (in Numbers) Posted on 2017-01-16 by Brian Smith (No Solution Yet, 3 Comments) Square OR 2*square (in Numbers) Posted on 2017-01-14 by Ady TZIDON (No Solution Yet, 2 Comments) 2nd grade math (in Probability) Posted on 2017-01-12 by Jer (No Solution Yet, 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) From Tangent to Circle (in Geometry) Rating: 3.00 Posted on 2017-01-04 by Brian Smith (No Solution Yet, 4 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) Congruent Incircles (in Geometry) Rating: 5.00 Posted on 2017-01-01 by Brian Smith (No Solution Yet, 6 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) Who discovered the secret? (in Logic) Posted on 2016-12-27 by ollie (No Solution Yet, 4 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) Rating: 4.00 Posted on 2016-12-22 by Ady TZIDON (No Solution Yet, 1 Comments) Exclusive Inverter (in Algorithms) Rating: 3.00 Posted on 2016-12-21 by Brian Smith (No Solution Yet, 1 Comments) Legally Blonde (in Liars and Knights) Rating: 3.00 Posted on 2016-12-19 by Math Man (No Solution Yet, 10 Comments) Primitive Prime Divisors (in Sequences) Posted on 2016-12-17 by broll (No Solution Yet, 0 Comments) Traveling with Luggage (in Logic) Rating: 3.00 Posted on 2016-12-15 by Brian Smith (No Solution Yet, 2 Comments) It's all in the stars (in Just Math) Posted on 2016-12-14 by Ady TZIDON (No Solution Yet, 2 Comments) Decimal and Binary Representation (in Numbers) Posted on 2016-12-13 by Brian Smith (No Solution Yet, 3 Comments) Pentagon Partitions (in Shapes) Posted on 2016-12-11 by Brian Smith (No Solution Yet, 3 Comments) Same Real Roots (in Just Math) Posted on 2016-12-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Gluing Cubes (in Shapes) Posted on 2016-12-08 by Brian Smith (No Solution Yet, 1 Comments) A ragman from 3 to 10 (in Word Problems) Posted on 2016-12-07 by Ady TZIDON (No Solution Yet, 2 Comments) Moving Two Rooks (in Games) Posted on 2016-12-06 by Brian Smith (No Solution Yet, 2 Comments) Four integers (in Numbers) Posted on 2016-12-04 by Ady TZIDON (No Solution Yet, 8 Comments) Vieta's derivatives (in Just Math) Posted on 2016-12-02 by Danish Ahmed Khan (No Solution Yet, 2 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) composite function (in Calculus) Rating: 3.00 Posted on 2016-11-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Seven Hexominos and Two Triominos (in Shapes) Posted on 2016-11-26 by Brian Smith (No Solution Yet, 1 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, 6 Comments) On the same floor (in Just Math) Posted on 2016-11-22 by Ady TZIDON (No Solution Yet, 13 Comments) Terrific sequence 2 (in Sequences) Rating: 5.00 Posted on 2016-11-20 by Math Man (No Solution Yet, 2 Comments) Equal Areas on Circles (in Geometry) Posted on 2016-11-19 by Danish Ahmed Khan (No Solution Yet, 2 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) Don't be confused (in General) Posted on 2016-11-14 by Danish Ahmed Khan (No Solution Yet, 5 Comments) In terzo luogo (in Sequences) Posted on 2016-11-13 by Ady TZIDON (No Solution Yet, 4 Comments) Linear*Quadratic = Square (in Just Math) Posted on 2016-11-12 by K Sengupta (No Solution Yet, 2 Comments) 63 Division Decision (in Just Math) Posted on 2016-11-10 by K Sengupta (No Solution Yet, 3 Comments) AABBCC and Perfect Square (in Just Math) Rating: 3.00 Posted on 2016-11-09 by K Sengupta (No Solution Yet, 6 Comments) Roots Ready to Relate (in Just Math) Rating: 4.00 Posted on 2016-11-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Covering a Rectangle with Hexominos (in Shapes) Posted on 2016-11-05 by Brian Smith (No Solution Yet, 1 Comments) Hardest easy geometry problem (in Geometry) Rating: 4.00 Posted on 2016-11-04 by Jer (No Solution Yet, 2 Comments) Your conclusion requested (in Logic) Rating: 3.67 Posted on 2016-11-03 by Ady TZIDON (No Solution Yet, 9 Comments) Matrix Mathematics (in Just Math) Posted on 2016-10-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) The Ninth Hexomino (in Shapes) Posted on 2016-10-28 by Brian Smith (No Solution Yet, 1 Comments) Rationality certification (in Just Math) Posted on 2016-10-27 by Ady TZIDON (No Solution Yet, 2 Comments) Inequality challenge (in Just Math) Posted on 2016-10-25 by Ady TZIDON (No Solution Yet, 4 Comments) Rectangle Evasion 2 (in Shapes) Posted on 2016-10-23 by Brian Smith (No Solution Yet, 0 Comments) A little twist (in Just Math) Posted on 2016-10-21 by Danish Ahmed Khan (No Solution Yet, 4 Comments) List of triplets (in Just Math) Posted on 2016-10-21 by Ady TZIDON (No Solution Yet, 4 Comments) Dodecahedron Chance Determination (in Probability) Posted on 2016-10-20 by K Sengupta (No Solution Yet, 6 Comments) Ratio Resolution IV (in Weights and Scales) Posted on 2016-10-20 by K Sengupta (No Solution Yet, 4 Comments) Six Hexominos surrounding a Tetromino (in Shapes) Posted on 2016-10-19 by Brian Smith (No Solution Yet, 0 Comments) Positively Positive (in Just Math) Rating: 4.00 Posted on 2016-10-18 by K Sengupta (No Solution Yet, 8 Comments) Mismatch Muse (in Logic) Posted on 2016-10-18 by K Sengupta (No Solution Yet, 1 Comments) Prove Phi's Peculiar Property (in Numbers) Posted on 2016-10-17 by Ady TZIDON (No Solution Yet, 3 Comments) get the real part of the problem (in Just Math) Posted on 2016-10-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Tile a Rectangle (in Shapes) Posted on 2016-10-15 by Brian Smith (No Solution Yet, 0 Comments) this is the range of my root (in Just Math) Posted on 2016-10-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Phibobrick's dimensions (in Numbers) Posted on 2016-10-14 by Ady TZIDON (No Solution Yet, 1 Comments) Pythagorean Legs (in Just Math) Posted on 2016-10-13 by K Sengupta (No Solution Yet, 3 Comments) U-Hexominos and Squares (in Shapes) Posted on 2016-10-12 by Brian Smith (No Solution Yet, 0 Comments) River Cross Resolution (in Weights and Scales) Posted on 2016-10-12 by K Sengupta (No Solution Yet, 1 Comments) Adding consecutive primes (in Just Math) Posted on 2016-10-11 by Ady TZIDON (No Solution Yet, 1 Comments) Four Digit Arithmetic (in Just Math) Posted on 2016-10-11 by K Sengupta (No Solution Yet, 2 Comments) No Fault Coverage 2 (in Shapes) Posted on 2016-10-10 by Brian Smith (No Solution Yet, 1 Comments) Bridge Cross Baffle (in Logic) Posted on 2016-10-10 by K Sengupta (No Solution Yet, 3 Comments) Ratio Sum Equation (in Just Math) Posted on 2016-10-09 by K Sengupta (No Solution Yet, 1 Comments) polynomial problem 3 (in Just Math) Posted on 2016-10-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Nine Hexominos in a Square (in Shapes) Posted on 2016-10-07 by Brian Smith (No Solution Yet, 2 Comments) Covering a Square with Hexominos (in Shapes) Posted on 2016-10-06 by Brian Smith (No Solution Yet, 1 Comments) True Statement Settlement (in Logic) Rating: 3.50 Posted on 2016-10-06 by K Sengupta (No Solution Yet, 2 Comments) Wrapping a Regular Hexagon (in Shapes) Posted on 2016-10-05 by K Sengupta (No Solution Yet, 1 Comments) 2 sums modulo 7 (in Probability) Posted on 2016-10-05 by Ady TZIDON (No Solution Yet, 3 Comments) Rub it in (in Word Problems) Posted on 2016-10-04 by K Sengupta (No Solution Yet, 1 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) Random Trial (in Algorithms) Posted on 2016-10-02 by K Sengupta (No Solution Yet, 3 Comments) Collinearity proof (in Geometry) Posted on 2016-10-01 by Ady TZIDON (No Solution Yet, 1 Comments) Function Finding From Floor (in Just Math) Rating: 3.00 Posted on 2016-09-30 by K Sengupta (No Solution Yet, 2 Comments) polynomial problem 2 (in Just Math) Rating: 3.00 Posted on 2016-09-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Rectangle Evasion (in Shapes) Posted on 2016-09-29 by Brian Smith (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) Rating: 5.00 Posted on 2016-09-27 by Ady TZIDON (No Solution Yet, 2 Comments) Two Primes From Prime (in Just Math) Rating: 4.00 Posted on 2016-09-27 by K Sengupta (No Solution Yet, 3 Comments) Cryptajoke XV (in Cryptography) Posted on 2016-09-26 by Ady TZIDON (No Solution Yet, 1 Comments) Immobile Hexominos (in Shapes) Posted on 2016-09-25 by Brian Smith (No Solution Yet, 1 Comments) Nineteen Divisibility Nuance (in Algorithms) Posted on 2016-09-24 by K Sengupta (No Solution Yet, 0 Comments) Numbers' quantifiers (in Logic) Posted on 2016-09-23 by Ady TZIDON (No Solution Yet, 4 Comments) Find Function From Fraction (in Just Math) Posted on 2016-09-22 by K Sengupta (No Solution Yet, 3 Comments) A cyclic path (in Geometry) Posted on 2016-09-21 by Ady TZIDON (No Solution Yet, 1 Comments) Easy sequence (in Sequences) Posted on 2016-09-20 by Math Man (No Solution Yet, 2 Comments) Provide the next number (in Sequences) Posted on 2016-09-18 by Ady TZIDON (No Solution Yet, 2 Comments) Eight Hexominos plus a Tetromino (in Shapes) Posted on 2016-09-17 by Brian Smith (No Solution Yet, 2 Comments) Anamonics (in Word Problems) Posted on 2016-09-16 by Ady TZIDON (No Solution Yet, 1 Comments) Quadrilateral and Radius Query (in Shapes) Posted on 2016-09-15 by K Sengupta (No Solution Yet, 1 Comments) Lattice Parallelogram and Point Poser (in Shapes) Posted on 2016-09-14 by K Sengupta (No Solution Yet, 0 Comments) The triple threat (in Tricks) Posted on 2016-09-13 by Ady TZIDON (No Solution Yet, 3 Comments) 4 rebuses (in Word Problems) Posted on 2016-09-12 by Ady TZIDON (No Solution Yet, 0 Comments) Sparse Packing a Zig-Zag (in Shapes) Posted on 2016-09-11 by Brian Smith (No Solution Yet, 1 Comments) Lopsided T-Hexomino (in Shapes) Rating: 4.00 Posted on 2016-09-09 by Brian Smith (No Solution Yet, 2 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) Hexominos and Squares (in Shapes) Posted on 2016-09-07 by Brian Smith (No Solution Yet, 1 Comments) Counting ARATs (in Numbers) Posted on 2016-09-07 by Ady TZIDON (No Solution Yet, 4 Comments) Getting 189 (in Numbers) Posted on 2016-09-05 by Ady TZIDON (No Solution Yet, 3 Comments) Integer Equation Illation (in Just Math) Posted on 2016-09-04 by K Sengupta (No Solution Yet, 2 Comments) Sum to Cevian (in Geometry) Rating: 5.00 Posted on 2016-09-03 by Bractals (No Solution Yet, 0 Comments) Tetra Anagram Trial (in Word Problems) Posted on 2016-09-02 by K Sengupta (No Solution Yet, 4 Comments) Polygon Area Ponder (in Shapes) Posted on 2016-09-01 by K Sengupta (No Solution Yet, 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) Random Chess Pieces Poser (in Probability) Posted on 2016-08-29 by K Sengupta (No Solution Yet, 6 Comments) Which is greater? (in Just Math) Rating: 4.00 Posted on 2016-08-28 by K Sengupta (No Solution Yet, 3 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) Labeling Minimum (in Weights and Scales) Posted on 2016-08-25 by K Sengupta (No Solution Yet, 4 Comments) Eight Points (in Probability) Posted on 2016-08-24 by K Sengupta (No Solution Yet, 3 Comments) Business is business (in Word Problems) Rating: 4.00 Posted on 2016-08-24 by Ady TZIDON (No Solution Yet, 7 Comments) Almost disjoint union (in Just Math) Posted on 2016-08-23 by Ady TZIDON (No Solution Yet, 2 Comments) Murder Muse Resolution (in Riddles) Posted on 2016-08-23 by K Sengupta (No Solution Yet, 1 Comments) Estimate a percentage (in Numbers) Posted on 2016-08-22 by Ady TZIDON (No Solution Yet, 6 Comments) Hexagon Hinder 3 (in Shapes) Posted on 2016-08-21 by K Sengupta (No Solution Yet, 0 Comments) Concurrent Rays (in Geometry) Rating: 5.00 Posted on 2016-08-20 by Bractals (No Solution Yet, 1 Comments) Bananas travel (in General) Posted on 2016-08-19 by Ady TZIDON (No Solution Yet, 4 Comments) Collinear Points (in Geometry) Rating: 4.00 Posted on 2016-08-19 by Bractals (No Solution Yet, 0 Comments) Covering a Cube with Strips (in Shapes) Posted on 2016-08-18 by Brian Smith (No Solution Yet, 3 Comments) Guessing your birthdate (in Just Math) Posted on 2016-08-18 by Ady TZIDON (No Solution Yet, 4 Comments) Expression and Square Sum (in Just Math) Posted on 2016-08-17 by K Sengupta (No Solution Yet, 1 Comments) 4 groups of 4 (in Word Problems) Rating: 2.00 Posted on 2016-08-16 by Ady TZIDON (No Solution Yet, 8 Comments) Tilings of a Hexomino (in Shapes) Posted on 2016-08-16 by Brian Smith (No Solution Yet, 0 Comments) 240 divisors (in Just Math) Posted on 2016-08-15 by Ady TZIDON (No Solution Yet, 2 Comments) Angle Ratio Ascertainment 6 (in Shapes) Posted on 2016-08-14 by K Sengupta (No Solution Yet, 2 Comments) 1-2-3-4 Square (in Geometry) Rating: 4.00 Posted on 2016-08-12 by Brian Smith (No Solution Yet, 3 Comments) Real and Cyclic Sum (in Just Math) Rating: 4.00 Posted on 2016-08-10 by K Sengupta (No Solution Yet, 3 Comments) A Sum of Consecutive Square Roots (in Just Math) Posted on 2016-08-10 by Brian Smith (No Solution Yet, 1 Comments) Insect Jump Illation (in Just Math) Posted on 2016-08-09 by K Sengupta (No Solution Yet, 1 Comments) Divisibility to Square II (in Just Math) Posted on 2016-08-07 by Brian Smith (No Solution Yet, 2 Comments) Nations, Capitals and Number String (in Word Problems) Rating: 1.50 Posted on 2016-08-05 by K Sengupta (No Solution Yet, 2 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) Remainder Resolution from Multiple (in Just Math) Rating: 4.00 Posted on 2016-08-04 by K Sengupta (No Solution Yet, 5 Comments) Pandigital Multiples of 99 (in Numbers) Posted on 2016-08-03 by Brian Smith (No Solution Yet, 2 Comments) Square angles (in Shapes) Posted on 2016-08-02 by Ady TZIDON (No Solution Yet, 1 Comments) Weight Limited Bridge (in General) Posted on 2016-08-01 by Brian Smith (No Solution Yet, 6 Comments) Mirror multiplication (in Numbers) Posted on 2016-07-31 by Ady TZIDON (No Solution Yet, 8 Comments) Ball Series Insertion (in Weights and Scales) Posted on 2016-07-29 by Brian Smith (No Solution Yet, 1 Comments) Square in a Cone (in Shapes) Posted on 2016-07-29 by K Sengupta (No Solution Yet, 2 Comments) A Tetrahedral Volume Puzzle (in Shapes) Rating: 3.00 Posted on 2016-07-28 by Brian Smith (No Solution Yet, 1 Comments) 15 Triominoes (in Shapes) Rating: 4.00 Posted on 2016-07-26 by Brian Smith (No Solution Yet, 4 Comments) A chain of command (in Just Math) Posted on 2016-07-26 by Ady TZIDON (No Solution Yet, 2 Comments) Go back or double (in Sequences) Posted on 2016-07-25 by Jer (No Solution Yet, 5 Comments) Five Pairs of Balls (in Weights and Scales) Posted on 2016-07-22 by Brian Smith (No Solution Yet, 1 Comments) Seventh Term Settlement (in Sequences) Posted on 2016-07-22 by K Sengupta (No Solution Yet, 10 Comments) Random^3 x Random (in Probability) Posted on 2016-07-21 by K Sengupta (No Solution Yet, 0 Comments) Cute numbers (in Numbers) Posted on 2016-07-21 by Ady TZIDON (No Solution Yet, 5 Comments) Primes divide expression? (in Just Math) Posted on 2016-07-20 by Brian Smith (No Solution Yet, 2 Comments) A square within a triangle (in Just Math) Posted on 2016-07-20 by Ady TZIDON (No Solution Yet, 1 Comments) The First Repeat (in Probability) Posted on 2016-07-18 by Brian Smith (No Solution Yet, 5 Comments) Denver is not the issue (in Word Problems) Posted on 2016-07-18 by Ady TZIDON (No Solution Yet, 5 Comments) Right and Left Digits (in Just Math) Posted on 2016-07-17 by K Sengupta (No Solution Yet, 1 Comments) Divisible by 19? (in Numbers) Posted on 2016-07-15 by Ady TZIDON (No Solution Yet, 1 Comments) Equilateral Exercise (in Shapes) Posted on 2016-07-15 by K Sengupta (No Solution Yet, 1 Comments) Sixty Settlement (in Just Math) Posted on 2016-07-14 by K Sengupta (No Solution Yet, 1 Comments) Consecutive Sums (in Numbers) Posted on 2016-07-12 by Brian Smith (No Solution Yet, 2 Comments) Prove SG's theorem (in Just Math) Posted on 2016-07-12 by Ady TZIDON (No Solution Yet, 3 Comments) Multiple Harshad Numbers (in Numbers) Posted on 2016-07-10 by Jer (No Solution Yet, 12 Comments) Amicable pair generator (in Numbers) Posted on 2016-07-08 by Jer (No Solution Yet, 2 Comments) Not too high, not too low (in Just Math) Posted on 2016-07-06 by Ady TZIDON (No Solution Yet, 3 Comments) Find Counterexamples (in Numbers) Posted on 2016-07-06 by Jer (No Solution Yet, 1 Comments) Sequence starting with 30 (in Numbers) Posted on 2016-07-05 by Jer (No Solution Yet, 3 Comments) Fibonacci yields Pythagoras (in Sequences) Posted on 2016-07-05 by Jer (No Solution Yet, 1 Comments) S.O.D = cube root (in Numbers) Posted on 2016-07-04 by Jer (No Solution Yet, 3 Comments) Who said it? (in Cryptography) Posted on 2016-07-04 by Ady TZIDON (No Solution Yet, 1 Comments) Quadrilateral Area Query 2 (in Shapes) Posted on 2016-07-03 by K Sengupta (No Solution Yet, 3 Comments) Lattice Vertices Verification (in Shapes) Posted on 2016-07-02 by K Sengupta (No Solution Yet, 4 Comments) Line Length from Two Triangles (in Shapes) Posted on 2016-07-01 by K Sengupta (No Solution Yet, 4 Comments) Pentagonal triple triangles (in Geometry) Posted on 2016-07-01 by Jer (No Solution Yet, 4 Comments) 4 numbers make 5 squares (in Numbers) Posted on 2016-06-30 by Jer (No Solution Yet, 10 Comments) Fractions lead to Pythagoreans (in Numbers) Posted on 2016-06-28 by Jer (No Solution Yet, 4 Comments) Pandigital pattern (in Numbers) Posted on 2016-06-28 by Jer (No Solution Yet, 2 Comments) Skip to 4th power (in Numbers) Posted on 2016-06-27 by Jer (No Solution Yet, 4 Comments) Square Sum in Pairs (in Just Math) Posted on 2016-06-27 by K Sengupta (No Solution Yet, 2 Comments) Angle Ratio Ascertainment 4 (in Shapes) Posted on 2016-06-26 by K Sengupta (No Solution Yet, 1 Comments) Sum Segment Length (in Shapes) Posted on 2016-06-25 by K Sengupta (No Solution Yet, 1 Comments) Covering a Square (in Shapes) Posted on 2016-06-24 by K Sengupta (No Solution Yet, 2 Comments) Sum Number and Reversal (in Just Math) Posted on 2016-06-24 by K Sengupta (No Solution Yet, 5 Comments) Three Integer Root Sum (in Just Math) Posted on 2016-06-22 by K Sengupta (No Solution Yet, 2 Comments) Celsius- A Fahrenheit Multiple? (in Just Math) Posted on 2016-06-21 by K Sengupta (No Solution Yet, 7 Comments) Three vowels (in Word Problems) Posted on 2016-06-21 by Ady TZIDON (No Solution Yet, 4 Comments) Circle cuts (in Shapes) Posted on 2016-06-20 by Math Man (No Solution Yet, 1 Comments) Hexadecimal Hinder (in Probability) Rating: 5.00 Posted on 2016-06-19 by K Sengupta (No Solution Yet, 6 Comments) Go for the midpoint (in Geometry) Rating: 2.00 Posted on 2016-06-18 by Ady TZIDON (No Solution Yet, 4 Comments) Roman Numeral and Letter Insertion (in Word Problems) Posted on 2016-06-17 by K Sengupta (No Solution Yet, 2 Comments) A transpogram (in Word Problems) Posted on 2016-06-16 by Ady TZIDON (No Solution Yet, 1 Comments) Progressive probability (in Probability) Posted on 2016-06-15 by Jer (No Solution Yet, 1 Comments) Comparing two events (in Probability) Posted on 2016-06-15 by Ady TZIDON (No Solution Yet, 3 Comments) Objective: Integer! (in Geometry) Posted on 2016-06-14 by broll (No Solution Yet, 4 Comments) Duodecimal Digit Product and Number Puzzle (in Just Math) Posted on 2016-06-12 by K Sengupta (No Solution Yet, 2 Comments) Real Variable Validation (in Just Math) Posted on 2016-06-11 by K Sengupta (No Solution Yet, 4 Comments) Squared halves (in Numbers) Posted on 2016-06-10 by Ady TZIDON (No Solution Yet, 1 Comments) Isosceles Leg Length (in Shapes) Posted on 2016-06-09 by K Sengupta (No Solution Yet, 6 Comments) Random chord problem 2 (in Probability) Posted on 2016-06-09 by K Sengupta (No Solution Yet, 1 Comments) Term Finding with Floor (in Sequences) Posted on 2016-06-09 by K Sengupta (No Solution Yet, 3 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) Random Sum Resolution (in Probability) Posted on 2016-06-06 by K Sengupta (No Solution Yet, 1 Comments) Divisible by 96? (in Just Math) Posted on 2016-06-05 by K Sengupta (No Solution Yet, 2 Comments) Power Sum Proposition (in Just Math) Posted on 2016-06-04 by K Sengupta (No Solution Yet, 1 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) Quadruple Digit Sum and Number Puzzle (in Just Math) Posted on 2016-06-01 by K Sengupta (No Solution Yet, 1 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) Log Expression Exercise (in Just Math) Posted on 2016-05-30 by K Sengupta (No Solution Yet, 2 Comments) Finding the fixes (in Numbers) Posted on 2016-05-29 by Ady TZIDON (No Solution Yet, 4 Comments) Digit Sum Equation Puzzle (in Just Math) Posted on 2016-05-28 by K Sengupta (No Solution Yet, 5 Comments) Power of 2 (in Numbers) Rating: 5.00 Posted on 2016-05-27 by Ady TZIDON (No Solution Yet, 6 Comments) Number From Digit Sum (in Just Math) Posted on 2016-05-27 by K Sengupta (No Solution Yet, 1 Comments) Mark's itinerary (in Probability) Posted on 2016-05-26 by Ady TZIDON (No Solution Yet, 5 Comments) Duodecimal Element Sum Settlement (in Just Math) Posted on 2016-05-25 by K Sengupta (No Solution Yet, 3 Comments) Colored Candy Choice (in Probability) Posted on 2016-05-25 by Jer (No Solution Yet, 10 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) Projection Ponder (in Shapes) Posted on 2016-05-23 by K Sengupta (No Solution Yet, 2 Comments) 3 integers (in Just Math) Posted on 2016-05-23 by Ady TZIDON (No Solution Yet, 2 Comments) Angle Ratio Ascertainment 3 (in Shapes) Posted on 2016-05-22 by K Sengupta (No Solution Yet, 3 Comments) Quadratic and Perfect Square Query II (in Just Math) Posted on 2016-05-21 by K Sengupta (No Solution Yet, 1 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) Rating: 3.00 Posted on 2016-05-19 by Ady TZIDON (No Solution Yet, 4 Comments) A direct count (in Famous Riddles) Rating: 3.00 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) A square problem (in Just Math) Posted on 2016-05-17 by Ady TZIDON (No Solution Yet, 1 Comments) AABBCCDD and Perfect Square (in Just Math) Posted on 2016-05-16 by K Sengupta (No Solution Yet, 3 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) 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) Terrific sequence (in Sequences) Rating: 5.00 Posted on 2016-05-10 by Math Man (No Solution Yet, 6 Comments) Polynomial of degree 3n (in Just Math) Rating: 4.00 Posted on 2016-05-07 by K Sengupta (No Solution Yet, 6 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, 2 Comments) First Term Finding (in Sequences) Posted on 2016-05-04 by K Sengupta (No Solution Yet, 2 Comments) You'll be surprised (in Numbers) Posted on 2016-05-03 by Ady TZIDON (No Solution Yet, 5 Comments) Base Baffle (in Just Math) Posted on 2016-05-02 by K Sengupta (No Solution Yet, 2 Comments) Is it true? (in Just Math) Rating: 3.00 Posted on 2016-05-02 by Ady TZIDON (No Solution Yet, 2 Comments) Quadratic and Perfect Square Query (in Just Math) Posted on 2016-04-30 by K Sengupta (No Solution Yet, 2 Comments) Four From Arithmetic and Geometric (in Sequences) Rating: 4.50 Posted on 2016-04-29 by K Sengupta (No Solution Yet, 3 Comments) Much of few is many (in Numbers) Posted on 2016-04-28 by Ady TZIDON (No Solution Yet, 2 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) Draw a Line to Partition the Grid (in General) Posted on 2016-04-25 by Brian Smith (No Solution Yet, 7 Comments) Constant from Four Solutions (in Just Math) Posted on 2016-04-24 by K Sengupta (No Solution Yet, 2 Comments) Integer Root Illation (in Just Math) Posted on 2016-04-23 by K Sengupta (No Solution Yet, 5 Comments) Cubic Diophantine Conclusion (in Just Math) Rating: 4.00 Posted on 2016-04-22 by K Sengupta (No Solution Yet, 9 Comments) A clever promotion (in Cryptography) Rating: 5.00 Posted on 2016-04-21 by Ady TZIDON (No Solution Yet, 2 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, 8 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) Extreme Palindrome Exercise (in Just Math) Posted on 2016-04-11 by K Sengupta (No Solution Yet, 3 Comments) Quadrilateral Area Query (in Shapes) Posted on 2016-04-10 by K Sengupta (No Solution Yet, 2 Comments) Real Root Product (in Just Math) Posted on 2016-04-09 by K Sengupta (No Solution Yet, 1 Comments) A Pythagorean triangle (in Numbers) Rating: 5.00 Posted on 2016-04-08 by Ady TZIDON (No Solution Yet, 5 Comments) Watching the Watch (in General) Rating: 4.00 Posted on 2016-04-08 by K Sengupta (No Solution Yet, 5 Comments) Square Settlement With Digits (in Just Math) Posted on 2016-04-07 by K Sengupta (No Solution Yet, 2 Comments) 36 forever (in Numbers) Posted on 2016-04-05 by Ady TZIDON (No Solution Yet, 4 Comments) Odd and Even 3 (in Just Math) Posted on 2016-04-04 by K Sengupta (No Solution Yet, 6 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) Harmonic Harmony 2 (in Sequences) Posted on 2016-03-31 by K Sengupta (No Solution Yet, 2 Comments) 4 partitions, same product (in Numbers) Posted on 2016-03-31 by Ady TZIDON (No Solution Yet, 1 Comments) Quartering a Square (in Shapes) Rating: 4.00 Posted on 2016-03-29 by Brian Smith (No Solution Yet, 4 Comments) Star-shaped polyominos (in Shapes) Posted on 2016-03-28 by Jer (No Solution Yet, 7 Comments) Find Five Fractions (in Just Math) Rating: 4.00 Posted on 2016-03-27 by Brian Smith (No Solution Yet, 2 Comments) Sum from Arithmetic and Geometric (in Sequences) Rating: 5.00 Posted on 2016-03-24 by K Sengupta (No Solution Yet, 5 Comments) Double Reflection (in Geometry) Posted on 2016-03-24 by Brian Smith (No Solution Yet, 2 Comments) Neighbors or not? (in Probability) Posted on 2016-03-22 by Ady TZIDON (No Solution Yet, 3 Comments) Simultaneous Satisfaction III (in Just Math) Posted on 2016-03-21 by K Sengupta (No Solution Yet, 1 Comments) Rational Value Validation (in Just Math) Posted on 2016-03-20 by K Sengupta (No Solution Yet, 11 Comments) Matrix Product Poser (in Just Math) Posted on 2016-03-19 by K Sengupta (No Solution Yet, 3 Comments) 2 coins (in Probability) Posted on 2016-03-18 by Ady TZIDON (No Solution Yet, 8 Comments) Never 0 mod 3 (in Probability) Posted on 2016-03-17 by Ady TZIDON (No Solution Yet, 7 Comments) Find number and base (in Numbers) Rating: 5.00 Posted on 2016-03-17 by Bractals (No Solution Yet, 6 Comments) Set Me Up Again (in Numbers) Posted on 2016-03-16 by Brian Smith (No Solution Yet, 1 Comments) Countable sets (in Just Math) Posted on 2016-03-15 by Math Man (No Solution Yet, 8 Comments) To-day is Monday & a PIday (in Numbers) Posted on 2016-03-14 by Ady TZIDON (No Solution Yet, 13 Comments) Hexagon in Complex Plane (in Shapes) Posted on 2016-03-13 by K Sengupta (No Solution Yet, 1 Comments) Tetrahedron Volume Travail (in Shapes) Posted on 2016-03-12 by K Sengupta (No Solution Yet, 1 Comments) Love is blind (in Numbers) Posted on 2016-03-10 by Ady TZIDON (No Solution Yet, 2 Comments) Ring of triangles II (in Geometry) Posted on 2016-03-10 by Jer (No Solution Yet, 2 Comments) More bouncing (in Geometry) Posted on 2016-03-09 by Jer (No Solution Yet, 3 Comments) Grape Consumption Conclusion (in Just Math) Rating: 2.50 Posted on 2016-03-08 by K Sengupta (No Solution Yet, 4 Comments) 8th Term from Term Product (in Sequences) Posted on 2016-03-07 by K Sengupta (No Solution Yet, 5 Comments) Quadrilateral and Cyclic Query (in Shapes) Posted on 2016-03-06 by K Sengupta (No Solution Yet, 0 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) Ring of triangles I (in Geometry) Posted on 2016-03-02 by Jer (No Solution Yet, 2 Comments) Light Beam Reflection (in Shapes) Posted on 2016-03-01 by K Sengupta (No Solution Yet, 1 Comments) 13 and 2 (in Numbers) Rating: 1.00 Posted on 2016-03-01 by Ady TZIDON (No Solution Yet, 6 Comments) Sum 2001 Terms (in Sequences) Posted on 2016-02-27 by K Sengupta (No Solution Yet, 1 Comments) Initial Term Illation (in Sequences) Posted on 2016-02-25 by K Sengupta (No Solution Yet, 2 Comments) In a bar (in Probability) Posted on 2016-02-23 by Ady TZIDON (No Solution Yet, 6 Comments) Counting Ten Segment Paths (in General) Posted on 2016-02-19 by Brian Smith (No Solution Yet, 6 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) Rating: 3.00 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) Optimal Order (in Sequences) Posted on 2016-02-10 by broll (No Solution Yet, 5 Comments) How high the moon tonight (in Numbers) Posted on 2016-02-10 by Ady TZIDON (No Solution Yet, 1 Comments) Consecutive Numbers and Subset Choice (in Just Math) Rating: 3.00 Posted on 2016-02-09 by K Sengupta (No Solution Yet, 6 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) Coefficient From Roots (in Just Math) Posted on 2016-02-07 by K Sengupta (No Solution Yet, 2 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: 4.00 Posted on 2016-02-04 by Ady TZIDON (No Solution Yet, 4 Comments) Square in Pascal's triangle (in Just Math) Posted on 2016-02-03 by Ady TZIDON (No Solution Yet, 0 Comments) Evaluate further probabilities (in Probability) Posted on 2016-02-03 by Jer (No Solution Yet, 2 Comments) Dascal triangle (in Numbers) Posted on 2016-02-02 by Ady TZIDON (No Solution Yet, 8 Comments) Find From First and Last (in Just Math) Posted on 2016-02-02 by K Sengupta (No Solution Yet, 1 Comments) Mille and Remainder Resolution (in Sequences) Posted on 2016-02-01 by K Sengupta (No Solution Yet, 3 Comments) Maybe soon (in Numbers) Posted on 2016-02-01 by Ady TZIDON (No Solution Yet, 1 Comments) Tangents (in Geometry) Posted on 2016-01-31 by Bractals (No Solution Yet, 0 Comments) Constant and Ratio Puzzle (in Just Math) Posted on 2016-01-30 by K Sengupta (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) Three Jar Trial (in Weights and Scales) Posted on 2016-01-25 by K Sengupta (No Solution Yet, 4 Comments) Floor Function Query (in Just Math) Posted on 2016-01-25 by K Sengupta (No Solution Yet, 1 Comments) 82 in 82 (in Numbers) Posted on 2016-01-24 by Ady TZIDON (No Solution Yet, 2 Comments) LCM and Combination Conclusion (in Just Math) Posted on 2016-01-23 by K Sengupta (No Solution Yet, 0 Comments) Binary Palindrome and Near Magic Square (in Just Math) Posted on 2016-01-21 by K Sengupta (No Solution Yet, 1 Comments) Three Power Verification (in Just Math) Posted on 2016-01-20 by K Sengupta (No Solution Yet, 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) Rating: 3.00 Posted on 2016-01-18 by Ady TZIDON (No Solution Yet, 6 Comments) Composite Integer Conclusion (in Just Math) Posted on 2016-01-18 by K Sengupta (No Solution Yet, 2 Comments) Product equals sum (in Just Math) Rating: 2.00 Posted on 2016-01-17 by Ady TZIDON (No Solution Yet, 6 Comments) Area from Altitude (in Shapes) Posted on 2016-01-16 by K Sengupta (No Solution Yet, 1 Comments) Family tree (in Logic) Rating: 5.00 Posted on 2016-01-15 by Ady TZIDON (No Solution Yet, 2 Comments) Expose ambiguity (in Logic) Rating: 3.00 Posted on 2016-01-13 by Ady TZIDON (No Solution Yet, 5 Comments) GCD Relationships (in Just Math) Posted on 2016-01-12 by K Sengupta (No Solution Yet, 0 Comments) Four balloons (in Just Math) Posted on 2016-01-12 by Ady TZIDON (No Solution Yet, 4 Comments) Sine in a Circle (in Shapes) Posted on 2016-01-11 by K Sengupta (No Solution Yet, 1 Comments) A math symbol (in Numbers) Rating: 3.33 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) Integer Check Conclusion (in Just Math) Posted on 2016-01-06 by K Sengupta (No Solution Yet, 0 Comments) Restricted Rook Runaround (in Games) Posted on 2016-01-05 by Brian Smith (No Solution Yet, 7 Comments) Test #9 (in Word Problems) Posted on 2016-01-05 by Ady TZIDON (No Solution Yet, 4 Comments) Arithmetic Triplet Ascertainment (in Just Math) Posted on 2016-01-03 by K Sengupta (No Solution Yet, 1 Comments) Area from Square Areas (in Shapes) Posted on 2016-01-02 by K Sengupta (No Solution Yet, 1 Comments) Floor and Square Division Settlement (in Just Math) Rating: 4.00 Posted on 2016-01-01 by K Sengupta (No Solution Yet, 4 Comments) Peaceful superqueens (in General) Posted on 2015-12-31 by Ady TZIDON (No Solution Yet, 2 Comments) Infinite Illation Decision (in Just Math) Rating: 4.00 Posted on 2015-12-31 by K Sengupta (No Solution Yet, 3 Comments) Two related sequences (in Sequences) Posted on 2015-12-30 by Jer (No Solution Yet, 0 Comments) Equiangular Hexagon Query (in Shapes) Rating: 4.00 Posted on 2015-12-29 by K Sengupta (No Solution Yet, 1 Comments) A five letter word (in Word Problems) Posted on 2015-12-28 by Ady TZIDON (No Solution Yet, 6 Comments) How many eggs? (in Just Math) Posted on 2015-12-28 by K Sengupta (No Solution Yet, 5 Comments) From pie to numbers (in Numbers) Rating: 3.00 Posted on 2015-12-27 by Ady TZIDON (No Solution Yet, 16 Comments) Triangle Area Ascertainment (in Shapes) Rating: 5.00 Posted on 2015-12-26 by K Sengupta (No Solution Yet, 2 Comments) Expression and Perfect Square 2 (in Just Math) Rating: 3.00 Posted on 2015-12-25 by K Sengupta (No Solution Yet, 3 Comments) Binary Palindrome Square Magic (in Just Math) Rating: 4.00 Posted on 2015-12-24 by K Sengupta (No Solution Yet, 11 Comments) Protecting the fleet Part E. (in Calculus) Rating: 4.00 Posted on 2015-12-23 by Jer (No Solution Yet, 3 Comments) Power and Digit Poser (in Just Math) Posted on 2015-12-23 by K Sengupta (No Solution Yet, 2 Comments) Run away (in Games) Rating: 3.00 Posted on 2015-12-22 by Ady TZIDON (No Solution Yet, 3 Comments) Quintic Power Query (in Just Math) Posted on 2015-12-21 by K Sengupta (No Solution Yet, 2 Comments) 5-2=1 (in Word Problems) Rating: 3.00 Posted on 2015-12-21 by Ady TZIDON (No Solution Yet, 5 Comments) Quadratic and Five Variable Query (in Just Math) Posted on 2015-12-20 by K Sengupta (No Solution Yet, 2 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) Real Equation Resolution (in Just Math) Posted on 2015-12-17 by K Sengupta (No Solution Yet, 1 Comments) Distinct Triangle Determination (in Shapes) Posted on 2015-12-16 by K Sengupta (No Solution Yet, 3 Comments) Protecting the fleet Parts C. & D. (in Geometry) Posted on 2015-12-15 by Jer (No Solution Yet, 2 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) Protecting the fleet Parts A. & B. (in Geometry) Posted on 2015-12-14 by Jer (No Solution Yet, 4 Comments) Four Digit and Two Digit Treat (in Just Math) Posted on 2015-12-13 by K Sengupta (No Solution Yet, 1 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, 4 Comments) Fibonaccish ratio (in Sequences) Rating: 3.00 Posted on 2015-12-07 by Jer (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) Two Power Equation Poser (in Just Math) Posted on 2015-12-05 by K Sengupta (No Solution Yet, 1 Comments) Factorial Division (in Just Math) Posted on 2015-12-04 by K Sengupta (No Solution Yet, 0 Comments) List of pairs (in Just Math) Posted on 2015-12-04 by Ady TZIDON (No Solution Yet, 3 Comments) Variety of divisors (in Numbers) Posted on 2015-12-03 by Ady TZIDON (No Solution Yet, 4 Comments) Simple conclusion (in Just Math) Rating: 3.00 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) Rating: 5.00 Posted on 2015-12-01 by Ady TZIDON (No Solution Yet, 4 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) Root factorial (in Numbers) Posted on 2015-11-25 by Jer (No Solution Yet, 1 Comments) Square in a notched square (in Geometry) Posted on 2015-11-25 by Jer (No Solution Yet, 4 Comments) Wise Russell (in Tricks) Rating: 5.00 Posted on 2015-11-24 by Ady TZIDON (No Solution Yet, 1 Comments) Complex Number and Power Puzzle (in Just Math) Posted on 2015-11-23 by K Sengupta (No Solution Yet, 1 Comments) Generalizing II (in Sequences) Rating: 4.00 Posted on 2015-11-20 by Ady TZIDON (No Solution Yet, 2 Comments) Quadratic and Quartic Query 2 (in Just Math) Posted on 2015-11-20 by K Sengupta (No Solution Yet, 0 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) Cryptajoke XII (in Cryptography) Rating: 4.33 Posted on 2015-11-16 by Ady TZIDON (No Solution Yet, 2 Comments) Quadratic and Cubic Query (in Just Math) Posted on 2015-11-14 by K Sengupta (No Solution Yet, 0 Comments) 9-letter word II (in Sequences) Rating: 5.00 Posted on 2015-11-13 by Ady TZIDON (No Solution Yet, 1 Comments) 3c+2v (in Word Problems) Posted on 2015-11-12 by Ady TZIDON (No Solution Yet, 3 Comments) Sphere Intersections (in Geometry) Posted on 2015-11-11 by Bractals (No Solution Yet, 4 Comments) Count the palindromes (in Just Math) Posted on 2015-11-11 by Ady TZIDON (No Solution Yet, 7 Comments) ….to skin a cat (in Logic) Posted on 2015-11-09 by Ady TZIDON (No Solution Yet, 5 Comments) Cryptajoke XI (in Cryptography) Rating: 3.00 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, 3 Comments) Matching pairs II (in Word Problems) Rating: 2.00 Posted on 2015-11-05 by Ady TZIDON (No Solution Yet, 3 Comments) An interesting matrix (in Sequences) Posted on 2015-11-05 by Jer (No Solution Yet, 3 Comments) Incircle Points (in Shapes) Posted on 2015-11-04 by K Sengupta (No Solution Yet, 1 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) Prediction (in Tricks) Posted on 2015-11-02 by Ady TZIDON (No Solution Yet, 2 Comments) Quadrilateral Side Query (in Shapes) Posted on 2015-10-31 by K Sengupta (No Solution Yet, 1 Comments) Incredible, but solvable (in Just Math) Posted on 2015-10-30 by Ady TZIDON (No Solution Yet, 13 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, 3 Comments) Some questions of abundance (in Just Math) Posted on 2015-10-28 by Jer (No Solution Yet, 3 Comments) Real Number Resolution 2 (in Just Math) Posted on 2015-10-27 by K Sengupta (No Solution Yet, 1 Comments) A canonical representation (in Just Math) Posted on 2015-10-27 by Ady TZIDON (No Solution Yet, 0 Comments) Numbered Letters IV (in Word Problems) Posted on 2015-10-26 by Math Man (No Solution Yet, 3 Comments) Magic matrix (in Just Math) Posted on 2015-10-26 by Ady TZIDON (No Solution Yet, 1 Comments) Must differ by 3 (in Just Math) Posted on 2015-10-23 by Ady TZIDON (No Solution Yet, 3 Comments) Expression Ratio Limit (in Calculus) Posted on 2015-10-22 by K Sengupta (No Solution Yet, 1 Comments) Extend the list (in Word Problems) Posted on 2015-10-22 by Ady TZIDON (No Solution Yet, 2 Comments) More ones (in Just Math) Posted on 2015-10-21 by K Sengupta (No Solution Yet, 1 Comments) Factorizable Expressions (in Just Math) Posted on 2015-10-21 by K Sengupta (No Solution Yet, 3 Comments) n-digit ... n-th power (in Numbers) Posted on 2015-10-20 by Ady TZIDON (No Solution Yet, 2 Comments) Distinct Values Determination (in Just Math) Posted on 2015-10-20 by K Sengupta (No Solution Yet, 4 Comments) Factorials & factorions (in Numbers) Rating: 5.00 Posted on 2015-10-19 by Ady TZIDON (No Solution Yet, 2 Comments) Sum Expression Value Determination (in Just Math) Rating: 3.00 Posted on 2015-10-18 by K Sengupta (No Solution Yet, 3 Comments) Divisibility and Twenty Puzzle (in Just Math) Posted on 2015-10-17 by K Sengupta (No Solution Yet, 1 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) Coefficient Determination (in Just Math) Posted on 2015-10-14 by K Sengupta (No Solution Yet, 3 Comments) Same digits - 3 cubes (in Numbers) Posted on 2015-10-14 by Ady TZIDON (No Solution Yet, 1 Comments) Triangular and Square Settlement (in Just Math) Posted on 2015-10-13 by K Sengupta (No Solution Yet, 7 Comments) Sequence Count Conclusion (in Sequences) Posted on 2015-10-13 by K Sengupta (No Solution Yet, 1 Comments) Integer Count Illation (in Just Math) Posted on 2015-10-12 by K Sengupta (No Solution Yet, 1 Comments) Count them correctly (in Numbers) Posted on 2015-10-12 by Ady TZIDON (No Solution Yet, 2 Comments) Function Existence Exercise (in Just Math) Posted on 2015-10-11 by K Sengupta (No Solution Yet, 4 Comments) Permutations count redux (in Numbers) Posted on 2015-10-09 by Jer (No Solution Yet, 1 Comments) Integer Function Finding (in Just Math) Posted on 2015-10-09 by K Sengupta (No Solution Yet, 1 Comments) sum of digits and 100th term (in Sequences) Posted on 2015-10-08 by K Sengupta (No Solution Yet, 3 Comments) 8 digit rhyme (in Cryptography) Rating: 3.00 Posted on 2015-10-08 by Ady TZIDON (No Solution Yet, 1 Comments) Two tree types (in Word Problems) Rating: 3.00 Posted on 2015-10-07 by K Sengupta (No Solution Yet, 2 Comments) Digit sum and digit product equality (in Just Math) Posted on 2015-10-06 by K Sengupta (No Solution Yet, 2 Comments) Wise and nice (in Word Problems) Posted on 2015-10-05 by Ady TZIDON (No Solution Yet, 3 Comments) Cubic Expression and Perfect Cube (in Just Math) Rating: 3.00 Posted on 2015-10-04 by K Sengupta (No Solution Yet, 2 Comments) Positive Integer Pair and Division Puzzle (in Just Math) Posted on 2015-10-03 by K Sengupta (No Solution Yet, 1 Comments) All are... (in Word Problems) Rating: 1.00 Posted on 2015-10-02 by Ady TZIDON (No Solution Yet, 4 Comments) Random Choice (in Probability) Posted on 2015-10-02 by K Sengupta (No Solution Yet, 1 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) Extreme Sum Settlement (in Just Math) Posted on 2015-09-28 by K Sengupta (No Solution Yet, 4 Comments) Angle Ratio Ascertainment 2 (in Shapes) Posted on 2015-09-26 by K Sengupta (No Solution Yet, 2 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, 9 Comments) Integer Pair and Infinite Puzzle (in Just Math) Posted on 2015-09-20 by K Sengupta (No Solution Yet, 2 Comments) Three Power and Product Divisibility (in Just Math) Posted on 2015-09-19 by K Sengupta (No Solution Yet, 2 Comments) Expression Product Exercise (in Just Math) Posted on 2015-09-18 by K Sengupta (No Solution Yet, 5 Comments) Marissa's and Melissa's birthdays (in Logic) Posted on 2015-09-17 by Math Man (No Solution Yet, 1 Comments) C reverses into F (in Numbers) Rating: 3.00 Posted on 2015-09-14 by Ady TZIDON (No Solution Yet, 10 Comments) Number Difference and Erasure Puzzle (in Just Math) Rating: 4.00 Posted on 2015-09-14 by K Sengupta (No Solution Yet, 3 Comments) Expression Divides Expression (in Just Math) Posted on 2015-09-12 by K Sengupta (No Solution Yet, 1 Comments) Prime Ratio Possibility (in Just Math) Posted on 2015-09-11 by K Sengupta (No Solution Yet, 3 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) Step right up! (in Games) Posted on 2015-09-09 by Jer (No Solution Yet, 1 Comments) Letter Removal Resolution (in Word Problems) Posted on 2015-09-08 by K Sengupta (No Solution Yet, 2 Comments) Three-syllable word (in Tricks) Posted on 2015-09-07 by Ady TZIDON (No Solution Yet, 3 Comments) Quadratic and Quartic Query (in Just Math) Rating: 4.00 Posted on 2015-09-06 by K Sengupta (No Solution Yet, 3 Comments) Simultaneous Pythagorean Poser 2 (in Just Math) Posted on 2015-09-05 by K Sengupta (No Solution Yet, 4 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) Rating: 3.00 Posted on 2015-09-04 by Ady TZIDON (No Solution Yet, 8 Comments) Digit Product Puzzle (in Probability) Posted on 2015-09-03 by K Sengupta (No Solution Yet, 3 Comments) Arithmetic and Power Puzzle (in Just Math) Rating: 3.00 Posted on 2015-09-02 by K Sengupta (No Solution Yet, 2 Comments) Surprising answer (in Probability) Posted on 2015-09-02 by Ady TZIDON (No Solution Yet, 6 Comments) Convex Hexagon and Ratio Product (in Shapes) Posted on 2015-09-01 by K Sengupta (No Solution Yet, 3 Comments) Homophone Hunt 2 (in Word Problems) Posted on 2015-08-31 by K Sengupta (No Solution Yet, 4 Comments) Ratio Sum Equals Positive Integer (in Just Math) Posted on 2015-08-30 by K Sengupta (No Solution Yet, 3 Comments) Root Difference and Seventeen Puzzle (in Just Math) Rating: 3.00 Posted on 2015-08-29 by K Sengupta (No Solution Yet, 3 Comments) Brick Packing Poser (in Shapes) Posted on 2015-08-28 by K Sengupta (No Solution Yet, 3 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, 4 Comments) Divide et impera part two (in Numbers) Posted on 2015-08-26 by Jer (No Solution Yet, 2 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) Date Count Conclusion II (in General) Posted on 2015-08-24 by K Sengupta (No Solution Yet, 1 Comments) Equal differences (in Numbers) Posted on 2015-08-23 by Ady TZIDON (No Solution Yet, 1 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, 2 Comments) Role Models II (in Riddles) Posted on 2015-08-18 by K Sengupta (No Solution Yet, 0 Comments) Infinite Triplet and Perfect Square (in Just Math) Rating: 3.00 Posted on 2015-08-16 by K Sengupta (No Solution Yet, 3 Comments) Positive Perfect Cube Sum (in Just Math) Posted on 2015-08-15 by K Sengupta (No Solution Yet, 3 Comments) Rooting for 2015 (in Just Math) Posted on 2015-08-14 by K Sengupta (No Solution Yet, 3 Comments) Wisecracks (in Word Problems) Posted on 2015-08-12 by Ady TZIDON (No Solution Yet, 0 Comments) Simpler probability problem? (in Probability) Posted on 2015-08-11 by Jer (No Solution Yet, 14 Comments) Ending in 5 (in Just Math) Posted on 2015-08-11 by K Sengupta (No Solution Yet, 1 Comments) Positive Integer and Power Puzzle (in Logic) Posted on 2015-08-10 by K Sengupta (No Solution Yet, 2 Comments) Oddday (in Numbers) Rating: 5.00 Posted on 2015-08-10 by Ady TZIDON (No Solution Yet, 4 Comments) Quadratic and Divisibility Puzzle (in Just Math) Posted on 2015-08-09 by K Sengupta (No Solution Yet, 2 Comments) Real Number Resolution (in Just Math) Posted on 2015-08-08 by K Sengupta (No Solution Yet, 2 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) Factorial Ratio Sum Puzzle (in Calculus) Posted on 2015-08-04 by K Sengupta (No Solution Yet, 3 Comments) Odd and Even 2 (in Just Math) Posted on 2015-08-03 by K Sengupta (No Solution Yet, 5 Comments) 26 letters needed (in Word Problems) Posted on 2015-07-31 by Ady TZIDON (No Solution Yet, 1 Comments) Ocean Anagram – Not (in Word Problems) Posted on 2015-07-31 by K Sengupta (No Solution Yet, 4 Comments) Best guess (in Probability) Posted on 2015-07-30 by Jer (No Solution Yet, 3 Comments) Power Difference Puzzle (in Just Math) Posted on 2015-07-30 by K Sengupta (No Solution Yet, 3 Comments) Perfect Power Puzzle (in Just Math) Posted on 2015-07-29 by K Sengupta (No Solution Yet, 5 Comments) Pythagorean triplet generator (in Numbers) Rating: 5.00 Posted on 2015-07-28 by Ady TZIDON (No Solution Yet, 1 Comments) Digit Reversal Puzzle (in Just Math) Posted on 2015-07-27 by K Sengupta (No Solution Yet, 2 Comments) Nine trolls (in Just Math) Rating: 3.00 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) Yearly Division (in Just Math) Posted on 2015-07-22 by K Sengupta (No Solution Yet, 1 Comments) Initial Term Identification (in Sequences) Posted on 2015-07-21 by K Sengupta (No Solution Yet, 3 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) Circumcenter, orthocenter and ratio puzzle (in Shapes) Posted on 2015-07-19 by K Sengupta (No Solution Yet, 1 Comments) Side Ratio Resolution (in Shapes) Posted on 2015-07-18 by K Sengupta (No Solution Yet, 4 Comments) Pasta wrestling (in Word Problems) Posted on 2015-07-17 by Ady TZIDON (No Solution Yet, 1 Comments) Smallest Perfect Cube Puzzle (in Just Math) Posted on 2015-07-15 by K Sengupta (No Solution Yet, 2 Comments) Pieces of eight (in Just Math) Posted on 2015-07-15 by Ady TZIDON (No Solution Yet, 2 Comments) Powers of Ten (in Sequences) Rating: 5.00 Posted on 2015-07-14 by K Sengupta (No Solution Yet, 7 Comments) Getting the right count (in Numbers) Rating: 3.00 Posted on 2015-07-14 by Ady TZIDON (No Solution Yet, 1 Comments) Bean coloring (in Probability) Rating: 4.50 Posted on 2015-07-13 by Jer (No Solution Yet, 11 Comments) Something is "some night" (in Word Problems) Posted on 2015-07-13 by Ady TZIDON (No Solution Yet, 1 Comments) A powerful resemblance. (in Just Math) Rating: 5.00 Posted on 2015-07-12 by broll (No Solution Yet, 2 Comments) Beginning and End (in Just Math) Rating: 3.00 Posted on 2015-07-11 by K Sengupta (No Solution Yet, 6 Comments) Long Reverse Rigor (in Word Problems) Posted on 2015-07-10 by K Sengupta (No Solution Yet, 3 Comments) Complete and Start Puzzle (in Word Problems) Posted on 2015-07-10 by K Sengupta (No Solution Yet, 4 Comments) Inverse Quadratic Sum Puzzle (in Just Math) Posted on 2015-07-09 by K Sengupta (No Solution Yet, 1 Comments) Perfect Square Sum - Not (in Just Math) Posted on 2015-07-08 by K Sengupta (No Solution Yet, 1 Comments) A radical question (in General) Posted on 2015-07-08 by Ady TZIDON (No Solution Yet, 4 Comments) Inverse Expression Exercise (in Just Math) Posted on 2015-07-07 by K Sengupta (No Solution Yet, 1 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, 8 Comments) Quartic Sum Determination (in Just Math) Posted on 2015-07-05 by K Sengupta (No Solution Yet, 1 Comments) Simultaneous Pythagorean Poser (in Just Math) Posted on 2015-07-04 by K Sengupta (No Solution Yet, 4 Comments) Primary problem III (in Numbers) Rating: 5.00 Posted on 2015-07-03 by Ady TZIDON (No Solution Yet, 2 Comments) A word there is of plural number (in Famous Riddles) Posted on 2015-07-03 by K Sengupta (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) One 1 to Six 6's (in Probability) Rating: 5.00 Posted on 2015-07-01 by Jer (No Solution Yet, 14 Comments) More than linear (in Just Math) Posted on 2015-06-30 by K Sengupta (No Solution Yet, 1 Comments) How many subsets? (in Just Math) Posted on 2015-06-29 by K Sengupta (No Solution Yet, 3 Comments) Ship Anagram - Not (in Word Problems) Rating: 1.50 Posted on 2015-06-29 by K Sengupta (No Solution Yet, 4 Comments) Product and Pair Sum Puzzle (in Just Math) Rating: 3.00 Posted on 2015-06-28 by K Sengupta (No Solution Yet, 1 Comments) Real Polynomial Puzzle (in Just Math) Posted on 2015-06-27 by K Sengupta (No Solution Yet, 1 Comments) Factorial creates prime (in Numbers) Posted on 2015-06-26 by Ady TZIDON (No Solution Yet, 5 Comments) Four Distinct Points (in Geometry) Posted on 2015-06-25 by Bractals (No Solution Yet, 1 Comments) Put up or shut up (in Word Problems) Posted on 2015-06-23 by Ady TZIDON (No Solution Yet, 5 Comments) Cubic and Factorial Puzzle (in Just Math) Posted on 2015-06-23 by K Sengupta (No Solution Yet, 1 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) Harmonic Diophantine Hindrance (in Just Math) Posted on 2015-06-21 by K Sengupta (No Solution Yet, 3 Comments) All possible integer determination (in Just Math) Posted on 2015-06-20 by K Sengupta (No Solution Yet, 1 Comments) Taxation (in Numbers) Rating: 4.00 Posted on 2015-06-19 by Ady TZIDON (No Solution Yet, 1 Comments) Linear and Quadratic Puzzle (in Just Math) Posted on 2015-06-18 by K Sengupta (No Solution Yet, 2 Comments) Two Fishes (in Word Problems) Rating: 3.00 Posted on 2015-06-18 by K Sengupta (No Solution Yet, 1 Comments) One triplet out (in Numbers) Posted on 2015-06-16 by Ady TZIDON (No Solution Yet, 3 Comments) Expression Quotient Puzzle (in Just Math) Posted on 2015-06-16 by K Sengupta (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) Which integer was removed? (in Just Math) Posted on 2015-06-15 by K Sengupta (No Solution Yet, 2 Comments) Bivariate Quadratic Puzzle (in Just Math) Rating: 3.00 Posted on 2015-06-14 by K Sengupta (No Solution Yet, 2 Comments) Harmonic mean and constant determination puzzle (in Shapes) Rating: 4.00 Posted on 2015-06-13 by K Sengupta (No Solution Yet, 2 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) This And That (in Word Problems) Posted on 2015-06-10 by K Sengupta (No Solution Yet, 2 Comments) Cube root sum equality puzzle (in Just Math) Posted on 2015-06-09 by K Sengupta (No Solution Yet, 2 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) Eleven Letter Exercise (in Word Problems) Posted on 2015-06-08 by K Sengupta (No Solution Yet, 3 Comments) Concurrency and Ratio Product Puzzle (in Shapes) Posted on 2015-06-06 by K Sengupta (No Solution Yet, 1 Comments) Find Points, Maximise Ratio (in Shapes) Rating: 4.00 Posted on 2015-06-05 by K Sengupta (No Solution Yet, 6 Comments) Quadratic and Sextic (in Just Math) Posted on 2015-06-04 by K Sengupta (No Solution Yet, 1 Comments) Rational Floor Query (in Just Math) Posted on 2015-06-03 by K Sengupta (No Solution Yet, 1 Comments) 1270 *899 (in General) Posted on 2015-06-02 by Ady TZIDON (No Solution Yet, 0 Comments) Number and Factorial Product Puzzle (in Just Math) Rating: 2.00 Posted on 2015-06-02 by K Sengupta (No Solution Yet, 1 Comments) All that glitters (in Numbers) Posted on 2015-05-31 by Ady TZIDON (No Solution Yet, 1 Comments) Rational or not? (in Just Math) Rating: 5.00 Posted on 2015-05-29 by Jer (No Solution Yet, 5 Comments) A many chords problem (in Geometry) Posted on 2015-05-27 by Jer (No Solution Yet, 0 Comments) Angle Ratio Ascertainment (in Shapes) Posted on 2015-05-27 by K Sengupta (No Solution Yet, 1 Comments) All possible polynomials puzzle (in Just Math) Rating: 4.00 Posted on 2015-05-25 by K Sengupta (No Solution Yet, 1 Comments) Sinusoidal System (in Just Math) Posted on 2015-05-24 by Jer (No Solution Yet, 2 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) Random numbers sum together (in Probability) Posted on 2015-05-15 by Jer (No Solution Yet, 3 Comments) Euler on trial (in Numbers) Rating: 1.00 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) Product Divides Sum? (in Just Math) Posted on 2015-05-12 by K Sengupta (No Solution Yet, 3 Comments) A Quickie, not tricky (in Numbers) Posted on 2015-05-11 by Ady TZIDON (No Solution Yet, 7 Comments) Sum Root Sum Settlement (in Just Math) Posted on 2015-05-10 by K Sengupta (No Solution Yet, 5 Comments) Positive Pair Poser (in Just Math) Rating: 4.00 Posted on 2015-05-09 by K Sengupta (No Solution Yet, 8 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) Animal Anagram - Not (in Word Problems) Posted on 2015-05-06 by K Sengupta (No Solution Yet, 6 Comments) Printer's glitch (in Just Math) Posted on 2015-05-05 by Ady TZIDON (No Solution Yet, 6 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) A thing whereon all Princes lie (in Famous Riddles) Posted on 2015-05-04 by K Sengupta (No Solution Yet, 2 Comments) Equality in pentagon (in Geometry) Rating: 3.00 Posted on 2015-05-03 by Ady TZIDON (No Solution Yet, 1 Comments) Real Functions Determination (in Just Math) Rating: 4.00 Posted on 2015-05-02 by K Sengupta (No Solution Yet, 4 Comments) Relationship Satisfaction Settlement (in Just Math) Posted on 2015-05-01 by K Sengupta (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) Cyclic Hexagon Hindrance (in Shapes) Posted on 2015-04-29 by K Sengupta (No Solution Yet, 0 Comments) Odd men out (in Logic) Posted on 2015-04-29 by Ady TZIDON (No Solution Yet, 6 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, 4 Comments) Seventeen divides expression? (in Just Math) Posted on 2015-04-26 by K Sengupta (No Solution Yet, 3 Comments) Divisor Determination (in Just Math) Posted on 2015-04-25 by K Sengupta (No Solution Yet, 2 Comments) Not solvable by computer (?) (in Word Problems) Posted on 2015-04-24 by Ady TZIDON (No Solution Yet, 6 Comments) Consecutive Count (in Sequences) Posted on 2015-04-23 by K Sengupta (No Solution Yet, 4 Comments) XX=? (in General) Posted on 2015-04-22 by Ady TZIDON (No Solution Yet, 2 Comments) Island Adventure 2 (in Liars and Knights) Rating: 3.00 Posted on 2015-04-21 by Math Man (No Solution Yet, 4 Comments) Geographic entities (in General) Rating: 3.00 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) Arithmetic Quadrilateral (in Shapes) Posted on 2015-04-19 by K Sengupta (No Solution Yet, 4 Comments) 2012 Lamps (in Games) Posted on 2015-04-17 by K Sengupta (No Solution Yet, 5 Comments) A Chinese Scene (in Word Problems) Posted on 2015-04-17 by broll (No Solution Yet, 4 Comments) Some powers decomposed (in Numbers) Posted on 2015-04-16 by Ady TZIDON (No Solution Yet, 5 Comments) Famous movie quotations (in General) Rating: 3.00 Posted on 2015-04-14 by Ady TZIDON (No Solution Yet, 4 Comments) Non-empty sets element count (in Just Math) Rating: 5.00 Posted on 2015-04-13 by K Sengupta (No Solution Yet, 5 Comments) So what? (in General) Posted on 2015-04-13 by Ady TZIDON (No Solution Yet, 5 Comments) Side Length Settlement 2 (in Shapes) Posted on 2015-04-11 by K Sengupta (No Solution Yet, 1 Comments) Tile flipping (in Just Math) Rating: 4.00 Posted on 2015-04-08 by Jer (No Solution Yet, 12 Comments) Quadratic Query (in Just Math) Posted on 2015-04-08 by K Sengupta (No Solution Yet, 1 Comments) Vive la petite différence! (in Paradoxes) Rating: 4.00 Posted on 2015-04-06 by Ady TZIDON (No Solution Yet, 3 Comments) Cubic Sum Settlement (in Just Math) Posted on 2015-04-05 by K Sengupta (No Solution Yet, 2 Comments) Geometric Rubric (in Just Math) Posted on 2015-04-04 by K Sengupta (No Solution Yet, 2 Comments) Buddy, can you spare a buck? (in Numbers) Posted on 2015-04-03 by Ady TZIDON (No Solution Yet, 3 Comments) Domain and Range (in Just Math) Posted on 2015-04-02 by Jer (No Solution Yet, 1 Comments) The Case of the Mixtup Calendar (in General) Rating: 4.00 Posted on 2015-04-02 by broll (No Solution Yet, 1 Comments) Reflection Matrix (in Just Math) Posted on 2015-04-01 by Jer (No Solution Yet, 4 Comments) Function Function Function Function Foray (in Just Math) Posted on 2015-03-31 by K Sengupta (No Solution Yet, 2 Comments) Nine times SSD (in Just Math) Posted on 2015-03-30 by K Sengupta (No Solution Yet, 1 Comments) How many solutions? (in Just Math) Posted on 2015-03-30 by Ady TZIDON (No Solution Yet, 3 Comments) Power Equality Poser (in Just Math) Rating: 3.00 Posted on 2015-03-29 by K Sengupta (No Solution Yet, 4 Comments) Distinct Solution Decision (in Just Math) Posted on 2015-03-28 by K Sengupta (No Solution Yet, 2 Comments) Neighboring tickets (in Numbers) Rating: 4.00 Posted on 2015-03-26 by Ady TZIDON (No Solution Yet, 2 Comments) Island Adventure (in Liars and Knights) Rating: 3.00 Posted on 2015-03-26 by Math Man (No Solution Yet, 3 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) Polynomial problem (in Just Math) Posted on 2015-03-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Rectangular Rearrangement Resolution (in Shapes) Rating: 3.00 Posted on 2015-03-20 by K Sengupta (No Solution Yet, 5 Comments) 123456789 scrambled (in Numbers) Posted on 2015-03-19 by Ady TZIDON (No Solution Yet, 6 Comments) Isosceles Crease (in Shapes) Posted on 2015-03-19 by K Sengupta (No Solution Yet, 2 Comments) Letter Alteration Apprisal (in Word Problems) Posted on 2015-03-18 by K Sengupta (No Solution Yet, 1 Comments) Find From Four (in Just Math) Posted on 2015-03-18 by K Sengupta (No Solution Yet, 3 Comments) +Q-U : Quite Unusual (in Word Problems) Posted on 2015-03-17 by Ady TZIDON (No Solution Yet, 2 Comments) Log Inequality Illation (in Just Math) Posted on 2015-03-17 by K Sengupta (No Solution Yet, 4 Comments) Pentagon Fraction Minimizing (in Just Math) Rating: 3.50 Posted on 2015-03-16 by Danish Ahmed Khan (No Solution Yet, 7 Comments) Linear and Quadratic Square (in Just Math) Posted on 2015-03-15 by K Sengupta (No Solution Yet, 4 Comments) Sum Root Concern (in Just Math) Rating: 3.00 Posted on 2015-03-14 by K Sengupta (No Solution Yet, 1 Comments) Five Cards III (in Logic) Rating: 3.00 Posted on 2015-03-13 by K Sengupta (No Solution Yet, 3 Comments) A Quickie (in Numbers) Posted on 2015-03-13 by Ady TZIDON (No Solution Yet, 1 Comments) Location, location, location (in Geometry) Rating: 4.00 Posted on 2015-03-12 by Ady TZIDON (No Solution Yet, 8 Comments) Deux Digit Deduction II (in Just Math) Posted on 2015-03-12 by K Sengupta (No Solution Yet, 4 Comments) Squeeze between neighbors (in Numbers) Posted on 2015-03-11 by Ady TZIDON (No Solution Yet, 1 Comments) Root sum equals integer (in Just Math) Posted on 2015-03-10 by K Sengupta (No Solution Yet, 7 Comments) Missing Digit II (in Just Math) Posted on 2015-03-10 by K Sengupta (No Solution Yet, 5 Comments) Triangle to Triangle (in General) Posted on 2015-03-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Painting high dimension cubes (in Shapes) Posted on 2015-03-05 by Jer (No Solution Yet, 4 Comments) Find the last member (in Sequences) Posted on 2015-03-05 by Ady TZIDON (No Solution Yet, 1 Comments) Minimizing Perimeter (in Shapes) Posted on 2015-03-04 by Danish Ahmed Khan (No Solution Yet, 15 Comments) Contradict Goldbach (in Numbers) Rating: 1.00 Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 3 Comments) Phrase a question II (in Numbers) Rating: 2.00 Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 2 Comments) Equilateral fun (in Geometry) Posted on 2015-02-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Back to the Bard (in Cryptography) Posted on 2015-02-27 by Ady TZIDON (No Solution Yet, 2 Comments) Prime and perfect (in Numbers) Posted on 2015-02-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Next year vs the current year (in Numbers) Rating: 4.00 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) 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) Double a triangle (in Sequences) Posted on 2015-02-19 by Jer (No Solution Yet, 3 Comments) Repeated Words (in Word Problems) Posted on 2015-02-19 by Danish Ahmed Khan (No Solution Yet, 4 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) Approximating radicals (in Numbers) Rating: 4.00 Posted on 2015-02-17 by Jer (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) Integer Identification (in Just Math) Rating: 3.50 Posted on 2015-02-14 by K Sengupta (No Solution Yet, 3 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) Date Deduction II (in General) Posted on 2015-02-12 by K Sengupta (No Solution Yet, 1 Comments) Crime to Meditation (in Word Problems) Posted on 2015-02-11 by K Sengupta (No Solution Yet, 3 Comments) Inequality (in Just Math) Posted on 2015-02-11 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Shared by squares (in Algorithms) Rating: 4.00 Posted on 2015-02-10 by Jer (No Solution Yet, 3 Comments) Possibility of restoring (in Just Math) Rating: 3.00 Posted on 2015-02-10 by Ady TZIDON (No Solution Yet, 1 Comments) Total Triplet Treat (in Shapes) Posted on 2015-02-09 by K Sengupta (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) The LSD of Prime Numbers (in Numbers) Posted on 2015-02-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Minding mines. (in Just Math) Posted on 2015-02-07 by Ady TZIDON (No Solution Yet, 1 Comments) Octic Sum Settlement (in Just Math) Rating: 4.00 Posted on 2015-02-06 by K Sengupta (No Solution Yet, 3 Comments) Very very colourful (in General) Posted on 2015-02-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Some special sums (in Numbers) Posted on 2015-02-05 by Ady TZIDON (No Solution Yet, 4 Comments) Inner Insertion II (in Word Problems) Posted on 2015-02-05 by K Sengupta (No Solution Yet, 1 Comments) Rooting for Roots (in Just Math) Posted on 2015-02-04 by K Sengupta (No Solution Yet, 2 Comments) Mr Mar & Mrs Bles (in Numbers) Rating: 3.00 Posted on 2015-02-04 by Ady TZIDON (No Solution Yet, 1 Comments) Palindromes from Digit Sum Series (in Numbers) Rating: 3.00 Posted on 2015-02-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Happy Numbers (in Numbers) Rating: 3.00 Posted on 2015-02-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Quite a normal question (in Riddles) Rating: 5.00 Posted on 2015-02-02 by Ady TZIDON (No Solution Yet, 3 Comments) Real Value Validation (in Just Math) Posted on 2015-02-01 by K Sengupta (No Solution Yet, 3 Comments) Ellis Number (in Numbers) Posted on 2015-01-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Find From Floor (in Just Math) Posted on 2015-01-30 by K Sengupta (No Solution Yet, 4 Comments) Integer Triplets with a Difference (in Numbers) Posted on 2015-01-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments) A Self-Terminating Sequence (in Numbers) Posted on 2015-01-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Date Count Conclusion (in General) Posted on 2015-01-29 by K Sengupta (No Solution Yet, 1 Comments) ProSum Numbers (in Numbers) Posted on 2015-01-28 by Danish Ahmed Khan (No Solution Yet, 5 Comments) Integral Proof (in Numbers) Posted on 2015-01-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments) Observe and prove (in Just Math) Posted on 2015-01-26 by Ady TZIDON (No Solution Yet, 1 Comments) Trigo - 24 (in Just Math) Posted on 2015-01-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments) Final Minus Two (in Just Math) Posted on 2015-01-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Deux Difference Deduction (in Sequences) Posted on 2015-01-23 by K Sengupta (No Solution Yet, 8 Comments) Eliot Ness meets Paul Erdős (in Numbers) Rating: 3.00 Posted on 2015-01-23 by Ady TZIDON (No Solution Yet, 3 Comments) Power Expression, Prime? (in Just Math) Rating: 3.00 Posted on 2015-01-22 by K Sengupta (No Solution Yet, 1 Comments) What price glory? (in Games) Posted on 2015-01-22 by Ady TZIDON (No Solution Yet, 5 Comments) Deux Digit Deduction (in Just Math) Posted on 2015-01-21 by K Sengupta (No Solution Yet, 2 Comments) Not hehe (in Word Problems) Posted on 2015-01-21 by Ady TZIDON (No Solution Yet, 5 Comments) Square Digit Sum Surmise (in Just Math) Rating: 3.00 Posted on 2015-01-20 by K Sengupta (No Solution Yet, 2 Comments) Easy as One, Two, Three (in Numbers) Posted on 2015-01-20 by Danish Ahmed Khan (No Solution Yet, 1 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) Volume Ratio Validation (in Shapes) Posted on 2015-01-18 by K Sengupta (No Solution Yet, 2 Comments) Possible or not? (in Just Math) Rating: 4.00 Posted on 2015-01-17 by Ady TZIDON (No Solution Yet, 6 Comments) Squares and Rectangles II (in Just Math) Posted on 2015-01-16 by K Sengupta (No Solution Yet, 2 Comments) Paramount Polygon Poser (in Shapes) Posted on 2015-01-15 by K Sengupta (No Solution Yet, 3 Comments) Three conditions define a triplet (in Just Math) Posted on 2015-01-14 by Ady TZIDON (No Solution Yet, 2 Comments) Celsius Fahrenheit Check (in Just Math) Posted on 2015-01-13 by K Sengupta (No Solution Yet, 1 Comments) Potato puzzle (in Riddles) Posted on 2015-01-13 by Math Man (No Solution Yet, 2 Comments) Consecutive Addition (in Word Problems) Rating: 2.00 Posted on 2015-01-12 by K Sengupta (No Solution Yet, 9 Comments) Integer Divisor Illation (in Just Math) Posted on 2015-01-10 by K Sengupta (No Solution Yet, 1 Comments) Find the remainder (in Just Math) Posted on 2015-01-09 by K Sengupta (No Solution Yet, 3 Comments) Derivative Point Determination (in Calculus) Posted on 2015-01-08 by K Sengupta (No Solution Yet, 0 Comments) Next one(s), please (in Sequences) Rating: 4.00 Posted on 2015-01-08 by Ady TZIDON (No Solution Yet, 2 Comments) Units Digit Determination (in Just Math) Rating: 3.00 Posted on 2015-01-07 by K Sengupta (No Solution Yet, 3 Comments) Same Count, Same Sum (in Just Math) Posted on 2015-01-06 by K Sengupta (No Solution Yet, 1 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) Sum and Difference (in Just Math) Posted on 2015-01-05 by K Sengupta (No Solution Yet, 3 Comments) Triangle Perimeter and Semi-Perimeter (in Shapes) Rating: 4.00 Posted on 2015-01-04 by K Sengupta (No Solution Yet, 3 Comments) Angle Ascertainment (in Just Math) Posted on 2015-01-03 by K Sengupta (No Solution Yet, 2 Comments) Match 3 Game (in General) Posted on 2015-01-02 by Jer (No Solution Yet, 2 Comments) Sum Productive Digits (in Just Math) Posted on 2014-12-31 by K Sengupta (No Solution Yet, 2 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) Sport Surmise (in Cryptography) Rating: 2.50 Posted on 2014-12-29 by K Sengupta (No Solution Yet, 5 Comments) Reverse Role II (in Just Math) Posted on 2014-12-29 by K Sengupta (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) Three Digit Travail (in Probability) Posted on 2014-12-26 by K Sengupta (No Solution Yet, 1 Comments) Hexadecimal Digit Travail (in Just Math) Posted on 2014-12-25 by K Sengupta (No Solution Yet, 5 Comments) Pie Pieces (in Just Math) Posted on 2014-12-24 by K Sengupta (No Solution Yet, 2 Comments) Omega to Alpha Observation (in Just Math) Rating: 3.00 Posted on 2014-12-23 by K Sengupta (No Solution Yet, 5 Comments) 2014 Prime Treat (in Probability) Posted on 2014-12-22 by K Sengupta (No Solution Yet, 1 Comments) Divisible by 28 (in Just Math) Posted on 2014-12-21 by K Sengupta (No Solution Yet, 4 Comments) Arithmetic Numbers Enumeration (in Sequences) Posted on 2014-12-19 by K Sengupta (No Solution Yet, 2 Comments) Origamic Revisited (in Shapes) Posted on 2014-12-19 by K Sengupta (No Solution Yet, 1 Comments) m & n (in Just Math) Posted on 2014-12-18 by Ady TZIDON (No Solution Yet, 2 Comments) Floor Fulfilment (in Just Math) Posted on 2014-12-17 by K Sengupta (No Solution Yet, 2 Comments) Solve in integers (in Just Math) Posted on 2014-12-17 by Ady TZIDON (No Solution Yet, 3 Comments) Power Sum Poser (in Just Math) Posted on 2014-12-16 by K Sengupta (No Solution Yet, 2 Comments) Geometric and Harmonic Harmony (in Just Math) Rating: 5.00 Posted on 2014-12-15 by K Sengupta (No Solution Yet, 4 Comments) Cash and chit (in General) Posted on 2014-12-15 by Ady TZIDON (No Solution Yet, 1 Comments) Extreme Cardioid Exercise (in Shapes) Posted on 2014-12-14 by K Sengupta (No Solution Yet, 0 Comments) Extreme Ellipse Exercise (in Shapes) Posted on 2014-12-13 by K Sengupta (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) Trigo inequality (in Just Math) Posted on 2014-12-11 by Danish Ahmed Khan (No Solution Yet, 20 Comments) Year Yearn 2 (in General) Posted on 2014-12-11 by K Sengupta (No Solution Yet, 4 Comments) Which is which (in Cryptography) Rating: 4.00 Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 10 Comments) Eight distances (in Just Math) Rating: 4.00 Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 4 Comments) Nine Factorial Nuance (in Just Math) Posted on 2014-12-09 by K Sengupta (No Solution Yet, 2 Comments) Distinct sod (in Just Math) Posted on 2014-12-09 by K Sengupta (No Solution Yet, 1 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) Consecutive Placement - Not (in Probability) Posted on 2014-12-01 by K Sengupta (No Solution Yet, 1 Comments) What not? (in General) Posted on 2014-12-01 by Ady TZIDON (No Solution Yet, 4 Comments) Cuboid Volume Validation (in Shapes) Posted on 2014-11-30 by K Sengupta (No Solution Yet, 1 Comments) Extraordinaire (in General) Rating: 2.33 Posted on 2014-11-25 by Ady TZIDON (No Solution Yet, 8 Comments) Fifteen Multiple Muse (in Just Math) Posted on 2014-11-25 by K Sengupta (No Solution Yet, 2 Comments) Seven Age Settlement (in Logic) Posted on 2014-11-24 by K Sengupta (No Solution Yet, 4 Comments) Harmonic Power Treat (in Just Math) Posted on 2014-11-22 by K Sengupta (No Solution Yet, 2 Comments) Two cities + (in Cryptography) Rating: 4.00 Posted on 2014-11-21 by Ady TZIDON (No Solution Yet, 8 Comments) Minimum Value Muse 2 (in Just Math) Posted on 2014-11-20 by K Sengupta (No Solution Yet, 2 Comments) Simultaneous Satisfaction II (in Just Math) Rating: 3.00 Posted on 2014-11-19 by K Sengupta (No Solution Yet, 1 Comments) Real Resolution II (in Just Math) Posted on 2014-11-18 by K Sengupta (No Solution Yet, 1 Comments) Missions impossible (in Just Math) Posted on 2014-11-17 by Ady TZIDON (No Solution Yet, 3 Comments) Diophantine Doldrum (in Just Math) Posted on 2014-11-15 by K Sengupta (No Solution Yet, 2 Comments) Identical Digit Determination (in Just Math) Posted on 2014-11-13 by K Sengupta (No Solution Yet, 1 Comments) Survival Surmise (in Logic) Posted on 2014-11-12 by K Sengupta (No Solution Yet, 2 Comments) Hours of Operation (in Numbers) Rating: 3.00 Posted on 2014-11-12 by Paul (No Solution Yet, 8 Comments) Austria or Italy ? (in Just Math) Posted on 2014-11-11 by Ady TZIDON (No Solution Yet, 1 Comments) Composite Sum Satisfaction (in Just Math) Rating: 5.00 Posted on 2014-11-11 by K Sengupta (No Solution Yet, 4 Comments) Eighty Four Exercise (in Just Math) Posted on 2014-11-10 by K Sengupta (No Solution Yet, 1 Comments) Reverse Resolution (in Word Problems) Posted on 2014-11-10 by K Sengupta (No Solution Yet, 1 Comments) M-D Sequences (in Just Math) Posted on 2014-11-09 by Bractals (No Solution Yet, 3 Comments) Arrival Appraisal (in Science) Posted on 2014-11-07 by K Sengupta (No Solution Yet, 2 Comments) Philately Ponder (in Logic) Rating: 2.50 Posted on 2014-11-07 by K Sengupta (No Solution Yet, 3 Comments) Balancing weights (in Weights and Scales) Rating: 3.00 Posted on 2014-11-06 by Ady TZIDON (No Solution Yet, 2 Comments) Box Volume Baffle (in Shapes) Rating: 3.00 Posted on 2014-11-05 by K Sengupta (No Solution Yet, 5 Comments) Pokemon (in Sequences) Posted on 2014-11-05 by Math Man (No Solution Yet, 0 Comments) Quadrilateral Quandary (in Shapes) Posted on 2014-11-02 by K Sengupta (No Solution Yet, 1 Comments) Inscribed Pentagon Illation (in Shapes) Posted on 2014-11-01 by K Sengupta (No Solution Yet, 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) Reply to this (in Just Math) Posted on 2014-10-30 by K Sengupta (No Solution Yet, 8 Comments) Letter Deletion Deduction (in Word Problems) Posted on 2014-10-29 by K Sengupta (No Solution Yet, 2 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) Word Containment Contemplation (in Word Problems) Posted on 2014-10-27 by K Sengupta (No Solution Yet, 3 Comments) Area Ascertainment II (in Shapes) Rating: 4.00 Posted on 2014-10-24 by K Sengupta (No Solution Yet, 8 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) Distinct Decimal Digits (in Numbers) Rating: 4.00 Posted on 2014-10-21 by Ady TZIDON (No Solution Yet, 1 Comments) Cuisine Conclusion II (in Word Problems) Rating: 5.00 Posted on 2014-10-20 by K Sengupta (No Solution Yet, 5 Comments) Switch Settlement (in Logic) Posted on 2014-10-20 by K Sengupta (No Solution Yet, 3 Comments) Geometric, Arithmetic and Harmonic Harness (in Sequences) Rating: 4.00 Posted on 2014-10-19 by K Sengupta (No Solution Yet, 3 Comments) Cot Ratio Conclusion (in Just Math) Posted on 2014-10-18 by K Sengupta (No Solution Yet, 2 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) Distinct Values Validation (in Just Math) Posted on 2014-10-16 by K Sengupta (No Solution Yet, 8 Comments) Reverse Role (in Just Math) Rating: 3.00 Posted on 2014-10-15 by K Sengupta (No Solution Yet, 4 Comments) My products (in General) Posted on 2014-10-15 by Ady TZIDON (No Solution Yet, 3 Comments) Ternary Sum Travail (in Probability) Posted on 2014-10-14 by K Sengupta (No Solution Yet, 2 Comments) Open, Sesame! (in Probability) Rating: 2.00 Posted on 2014-10-14 by Ady TZIDON (No Solution Yet, 3 Comments) Dozen Word Amalgamation (in Word Problems) Posted on 2014-10-13 by K Sengupta (No Solution Yet, 2 Comments) A versatile number (in Numbers) Rating: 5.00 Posted on 2014-10-13 by Ady TZIDON (No Solution Yet, 6 Comments) Greatest GCD (in Sequences) Posted on 2014-10-12 by K Sengupta (No Solution Yet, 5 Comments) Optimal location (in Just Math) Posted on 2014-10-10 by Art M (No Solution Yet, 2 Comments) A happy trio (in Probability) Posted on 2014-10-09 by Ady TZIDON (No Solution Yet, 3 Comments) Minimum value with 75 (in Just Math) Rating: 2.50 Posted on 2014-10-09 by K Sengupta (No Solution Yet, 1 Comments) Draw and go (in Probability) Posted on 2014-10-08 by Ady TZIDON (No Solution Yet, 14 Comments) Counting Crossings (in Geometry) Rating: 4.00 Posted on 2014-10-08 by Jer (No Solution Yet, 7 Comments) Winning Ticket Tickle (in Probability) Rating: 3.00 Posted on 2014-10-06 by K Sengupta (No Solution Yet, 6 Comments) Floor Sum Formulation (in Just Math) Posted on 2014-10-05 by K Sengupta (No Solution Yet, 1 Comments) Continued Fraction Satisfaction (in Just Math) Posted on 2014-10-04 by K Sengupta (No Solution Yet, 1 Comments) Hyperbola Axes Hinder (in Shapes) Rating: 4.00 Posted on 2014-10-03 by K Sengupta (No Solution Yet, 7 Comments) Recruiting Crisis (in Algorithms) Rating: 3.00 Posted on 2014-10-03 by Dustin (No Solution Yet, 1 Comments) Defrosting the Cone (in Calculus) Rating: 3.00 Posted on 2014-10-02 by Larry (No Solution Yet, 1 Comments) Why and when (in General) Rating: 5.00 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) Consecutive Conclusion (in Just Math) Rating: 3.00 Posted on 2014-09-30 by K Sengupta (No Solution Yet, 9 Comments) X L's from rolling TdL (in Probability) Rating: 3.00 Posted on 2014-09-30 by Dustin (No Solution Yet, 0 Comments) Square Result Rumination (in Just Math) Posted on 2014-09-28 by K Sengupta (No Solution Yet, 6 Comments) Simultaneous Satisfaction (in Just Math) Posted on 2014-09-27 by K Sengupta (No Solution Yet, 2 Comments) Cubic Minimum (in Just Math) Posted on 2014-09-26 by K Sengupta (No Solution Yet, 7 Comments) Moving target (in Shapes) Posted on 2014-09-25 by Jer (No Solution Yet, 2 Comments) Suicide Sequitur (in Riddles) Posted on 2014-09-25 by K Sengupta (No Solution Yet, 1 Comments) Mary, Mary, Quite Orderly (in Just Math) Posted on 2014-09-24 by K Sengupta (No Solution Yet, 6 Comments) Rectangle Color Rigor (in Just Math) Rating: 3.00 Posted on 2014-09-23 by K Sengupta (No Solution Yet, 4 Comments) Cinq Digit Choice (in Probability) Posted on 2014-09-22 by K Sengupta (No Solution Yet, 1 Comments) Once a Liar, always a Liar 3 (in Logic) Rating: 4.00 Posted on 2014-09-21 by Dustin (No Solution Yet, 11 Comments) Nine Marbles (in Weights and Scales) Rating: 4.00 Posted on 2014-09-20 by K Sengupta (No Solution Yet, 6 Comments) A Monotonous Menu (in General) Rating: 3.00 Posted on 2014-09-19 by Ady TZIDON (No Solution Yet, 1 Comments) Simultaneous Base Baffle (in Just Math) Rating: 4.00 Posted on 2014-09-17 by K Sengupta (No Solution Yet, 6 Comments) 1 to 8 in 5*5 grid (in Word Problems) Posted on 2014-09-16 by Ady TZIDON (No Solution Yet, 1 Comments) Adding to rolls (in Probability) Posted on 2014-09-15 by Jer (No Solution Yet, 1 Comments) Distinct Value Deduction (in Just Math) Rating: 5.00 Posted on 2014-09-14 by K Sengupta (No Solution Yet, 7 Comments) Cubic Quandary (in Calculus) Rating: 4.00 Posted on 2014-09-13 by Dustin (No Solution Yet, 2 Comments) 4 cents (in Shapes) Posted on 2014-09-12 by Jer (No Solution Yet, 11 Comments) Inherited Veracity II (in Liars and Knights) Rating: 5.00 Posted on 2014-09-12 by Dustin (No Solution Yet, 2 Comments) Test #6 (in General) Posted on 2014-09-11 by Ady TZIDON (No Solution Yet, 3 Comments) Comparing weights (in Weights and Scales) Rating: 4.00 Posted on 2014-09-09 by Ady TZIDON (No Solution Yet, 3 Comments) Beach Baffle (in Logic) Posted on 2014-09-09 by K Sengupta (No Solution Yet, 1 Comments) Rooted to the Floor II (in Just Math) Posted on 2014-09-08 by K Sengupta (No Solution Yet, 3 Comments) Sequence of subsets (in Just Math) Posted on 2014-09-06 by Bractals (No Solution Yet, 0 Comments) 2 pandigital equations (in Numbers) Posted on 2014-09-05 by Ady TZIDON (No Solution Yet, 4 Comments) Angle Analysis (in Shapes) Posted on 2014-09-05 by K Sengupta (No Solution Yet, 1 Comments) 2015 digits (in Just Math) Posted on 2014-09-04 by K Sengupta (No Solution Yet, 2 Comments) Sparse Sine Settlement (in Just Math) Posted on 2014-09-03 by K Sengupta (No Solution Yet, 2 Comments) World War I sword (in Riddles) Posted on 2014-09-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments) Cuboid Diagonal Conclusion (in Shapes) Rating: 5.00 Posted on 2014-09-01 by K Sengupta (No Solution Yet, 4 Comments) Triangular Triangulation (in Just Math) Posted on 2014-08-30 by K Sengupta (No Solution Yet, 4 Comments) 3 cents (in Shapes) Posted on 2014-08-29 by Jer (No Solution Yet, 3 Comments) |