Division by e (in Just Math) Rating: 5.00

Posted on 2020-03-25 by

Posted on 2020-03-25 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)co-prime unit fractions (in Numbers)

Posted on 2020-03-06 by

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**Danish Ahmed Khan**(No Solution Yet, 7 Comments)A special equation (in Just Math)

Posted on 2020-02-19 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Reflection Triangle (in Shapes)

Posted on 2020-01-24 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Maximal Rectangle (in Shapes)

Posted on 2019-12-30 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Heptagonal Triangle (in Shapes)

Posted on 2019-12-27 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)The cute substitution (in Calculus)

Posted on 2019-12-13 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Reflection coincides with the center (in Geometry) Rating: 5.00

Posted on 2019-12-06 by

Posted on 2019-12-06 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Follow the function (in Just Math)

Posted on 2019-11-28 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Can we use Pigeonhole? (in Numbers) Rating: 4.00

Posted on 2019-11-26 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)The top degree (in Just Math)

Posted on 2019-11-22 by

Posted on 2019-11-22 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Very Large Triangles (in Just Math)

Posted on 2019-11-21 by

Posted on 2019-11-21 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The Big Division (in Numbers)

Posted on 2019-11-18 by

Posted on 2019-11-18 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Balancing Hemispheres (in Science)

Posted on 2019-11-15 by

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**Danish Ahmed Khan**(No Solution Yet, 8 Comments)Factor distribution in a school (in Numbers)

Posted on 2019-11-13 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)The Weight Obsessed Islander (in Weights and Scales)

Posted on 2019-11-12 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Congruency in calculus (in Calculus) Rating: 3.00

Posted on 2019-11-08 by

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

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)A positive rational function (in Just Math)

Posted on 2019-11-01 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Fancy quadrilateral (in Just Math)

Posted on 2019-10-25 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Quadratic with Primes (in Numbers)

Posted on 2019-10-24 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Cube rooted till 2019 (in Just Math)

Posted on 2019-10-23 by

Posted on 2019-10-23 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Some Sum of Some Sum (in Numbers)

Posted on 2019-10-18 by

Posted on 2019-10-18 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)It's not a Magic Square (in Numbers)

Posted on 2019-10-17 by

Posted on 2019-10-17 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The digit is missing! (in Numbers)

Posted on 2019-10-14 by

Posted on 2019-10-14 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The Midpoint Locus (in General)

Posted on 2019-10-11 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Tricky sums indeed! (in Numbers)

Posted on 2019-10-10 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)The middle number (in Probability) Rating: 4.00

Posted on 2019-10-08 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)From incircle to vertices (in Just Math)

Posted on 2019-10-04 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Solving triangles (in Just Math)

Posted on 2019-10-03 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Triangle rotation (in Shapes)

Posted on 2019-10-02 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Cotangents product (in Just Math)

Posted on 2019-09-30 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Minimize the chord length (in Just Math)

Posted on 2019-09-27 by

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**Danish Ahmed Khan**(No Solution Yet, 0 Comments)The three Sprinters (in Just Math)

Posted on 2019-09-25 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Hexagonal interior point (in Geometry)

Posted on 2019-09-24 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Is it an Ellipse? (in Geometry)

Posted on 2019-09-20 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Area of central locus (in Shapes)

Posted on 2019-09-19 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Locate the Locus (in Shapes)

Posted on 2019-09-18 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Just substitute? (in Numbers) Rating: 5.00

Posted on 2019-09-17 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Spherical displacement of water (in Shapes) Rating: 5.00

Posted on 2019-09-13 by

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

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**Danish Ahmed Khan**(No Solution Yet, 7 Comments)A matter of perspective (in Shapes)

Posted on 2019-09-11 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Reduced to single digit (in Numbers)

Posted on 2019-09-06 by

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**Danish Ahmed Khan**(No Solution Yet, 14 Comments)Beautiful recursion (in Just Math)

Posted on 2019-09-03 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Parabola Axis Construction (in Geometry)

Posted on 2019-08-31 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Bored student (in Just Math)

Posted on 2019-08-30 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Order in triangular array (in Probability) Rating: 3.00

Posted on 2019-08-27 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The Five Touching Spheres (in Shapes)

Posted on 2019-08-25 by

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**Danish Ahmed Khan**(No Solution Yet, 9 Comments)Summing the product of digits (in Numbers)

Posted on 2019-08-23 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Rotated Checkerboard (in Just Math)

Posted on 2019-08-22 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Irrational Distance/Rational Areas (in Just Math)

Posted on 2019-08-19 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Rectangular Regions (in Just Math) Rating: 5.00

Posted on 2019-08-18 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)The Post Problem (in Shapes)

Posted on 2019-08-17 by

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**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Constructed incenter (in Geometry)

Posted on 2019-08-16 by

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**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Recursive reaches one million (in Numbers)

Posted on 2019-08-15 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Digitally Average Integers (in Numbers)

Posted on 2019-08-14 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Sitting rearrangement (in Just Math)

Posted on 2019-08-13 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Squared average equals square (in Numbers)

Posted on 2019-08-09 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)A Mysterious Multiplication (in Numbers)

Posted on 2019-08-07 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)points or pigeons in square? (in Just Math)

Posted on 2019-08-05 by

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**Danish Ahmed Khan**(No Solution Yet, 8 Comments)The SPA numbers (in Numbers)

Posted on 2019-08-04 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Digital computing (in Numbers)

Posted on 2019-08-03 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)High speed horses (in Weights and Scales)

Posted on 2019-08-01 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Height of a Mountain (in Just Math)

Posted on 2019-07-31 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Rods as triangle sides (in Just Math)

Posted on 2019-07-28 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Tangent by Transformation (in Just Math)

Posted on 2019-07-25 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Bugs on a pentagon (in Just Math)

Posted on 2019-07-24 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Conversion Diversion (in Just Math)

Posted on 2019-07-23 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Tic tac toe variation (in Logic)

Posted on 2019-07-22 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)All that remainder is Gold (in Numbers)

Posted on 2019-07-21 by

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

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

Posted on 2019-07-19 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Quick integral (in Calculus) Rating: 2.00

Posted on 2019-07-16 by

Posted on 2019-07-16 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Maximum end point value (in Calculus)

Posted on 2019-07-15 by

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

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

Posted on 2019-07-12 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Root switching sides (in Just Math)

Posted on 2019-07-10 by

Posted on 2019-07-10 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Hexagonally closer (in Just Math)

Posted on 2019-07-07 by

Posted on 2019-07-07 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Functional Logic (in Just Math)

Posted on 2019-07-06 by

Posted on 2019-07-06 by

**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Quadruple fraction sum (in Numbers)

Posted on 2019-06-30 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Humongous Factorial Divisiblity (in Numbers)

Posted on 2019-06-29 by

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

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

Posted on 2019-06-27 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Zero Error Scales (in Just Math)

Posted on 2019-06-24 by

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

Posted on 2019-06-23 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Differentiated function (in Calculus)

Posted on 2019-06-22 by

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

Posted on 2019-06-21 by

**Danish Ahmed Khan**(No Solution Yet, 6 Comments)cosine rationality (in Just Math)

Posted on 2019-06-20 by

Posted on 2019-06-20 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)37 is too special (in Numbers)

Posted on 2019-06-19 by

Posted on 2019-06-19 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)How many geeks are smart? (in Just Math)

Posted on 2019-06-17 by

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

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

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

Posted on 2019-06-13 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The Real Product (in General)

Posted on 2019-06-11 by

Posted on 2019-06-11 by

**Danish Ahmed Khan**(No Solution Yet, 10 Comments)Shooting submarine on a number line! (in Just Math) Rating: 5.00

Posted on 2019-06-08 by

Posted on 2019-06-08 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)A Real function (in Just Math)

Posted on 2019-06-07 by

Posted on 2019-06-07 by

**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Number dilemma (in Numbers) Rating: 5.00

Posted on 2019-06-05 by

Posted on 2019-06-05 by

**Danish Ahmed Khan**(No Solution Yet, 11 Comments)Tangent of string of 5 (in Just Math)

Posted on 2019-06-04 by

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

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Odd digited square (in Numbers)

Posted on 2019-06-02 by

Posted on 2019-06-02 by

**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Weird Expression (in Just Math)

Posted on 2019-06-01 by

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

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

Posted on 2019-05-30 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Unknown Triangle (in Just Math)

Posted on 2019-05-26 by

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

Posted on 2019-05-24 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Permuted a, b, c, d equation (in Just Math)

Posted on 2019-05-23 by

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

Posted on 2019-05-22 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Carry on, Decimal (in Numbers)

Posted on 2019-05-20 by

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

Posted on 2019-05-20 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Little Pika can barely add (in Numbers) Rating: 5.00

Posted on 2019-05-19 by

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

Posted on 2019-05-18 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Calculator can't handle it (in Numbers)

Posted on 2019-05-17 by

Posted on 2019-05-17 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Integers involved in factors (in Numbers)

Posted on 2019-05-17 by

Posted on 2019-05-17 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Marks on Marks off (in Numbers)

Posted on 2019-05-15 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Concatenation sum (in Numbers) Rating: 2.00

Posted on 2019-05-15 by

Posted on 2019-05-15 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The road less travelled (in Just Math)

Posted on 2019-05-14 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Chemical deduction (in Logic) Rating: 5.00

Posted on 2019-05-13 by

Posted on 2019-05-13 by

**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Polynomial collections! (in Just Math)

Posted on 2019-05-11 by

Posted on 2019-05-11 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)No copying, students (in Probability)

Posted on 2019-05-10 by

Posted on 2019-05-10 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Integer coordinates (in Numbers)

Posted on 2019-05-09 by

Posted on 2019-05-09 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)A hairy problem (in Just Math)

Posted on 2019-05-08 by

Posted on 2019-05-08 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Damaged calculator (in Numbers)

Posted on 2019-05-07 by

Posted on 2019-05-07 by

**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Cosmological Logic (in Logic)

Posted on 2019-05-07 by

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

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

Posted on 2019-05-06 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Sections in parallelogram (in Geometry)

Posted on 2019-05-05 by

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**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Diagonal mystery (in Geometry)

Posted on 2019-05-04 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Paired number GCD and LCM (in Numbers)

Posted on 2019-05-03 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Single, Double & Triple Scoops (in Just Math)

Posted on 2019-05-03 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The right time (in Just Math)

Posted on 2019-05-02 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The special ones among the group (in Numbers)

Posted on 2019-04-30 by

Posted on 2019-04-30 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)9-ending numbers (in Numbers)

Posted on 2019-04-29 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Rectangle pegs in a round hole (in Just Math)

Posted on 2019-04-28 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Trirectangular Corner Locus (in Shapes)

Posted on 2019-04-27 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Inequality in lengths of pentagon (in Just Math)

Posted on 2019-04-26 by

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

Posted on 2019-04-26 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Arithmetic prime (in Numbers)

Posted on 2019-04-25 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)He stole my ball! (in Probability)

Posted on 2019-04-24 by

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

Posted on 2019-04-24 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Seven positive numbers (in Numbers)

Posted on 2019-04-22 by

Posted on 2019-04-22 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Constructed length ratio (in Geometry)

Posted on 2019-04-22 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Distinct figures of Circle and Triangle (in Geometry)

Posted on 2019-04-21 by

Posted on 2019-04-21 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Factor hints II (in Numbers)

Posted on 2019-04-20 by

Posted on 2019-04-20 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Know the functioning of the function? (in Just Math)

Posted on 2019-04-19 by

Posted on 2019-04-19 by

**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Looks like Cauchy (in Just Math)

Posted on 2019-04-17 by

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

Posted on 2019-04-17 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Tunneling through a mine car (in Just Math)

Posted on 2019-04-16 by

Posted on 2019-04-16 by

**Danish Ahmed Khan**(No Solution Yet, 18 Comments)Polynomial phobia abandoned! (in Just Math)

Posted on 2019-04-14 by

Posted on 2019-04-14 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The midpoint of Tangency (in Geometry)

Posted on 2019-04-13 by

Posted on 2019-04-13 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Finding Quadratic (in Just Math)

Posted on 2019-04-12 by

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

Posted on 2019-04-12 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Does the hexagon exist? (in Geometry)

Posted on 2019-04-11 by

Posted on 2019-04-11 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Based on threes! (in Numbers)

Posted on 2019-04-09 by

Posted on 2019-04-09 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Matrixed Fibonacci (in Just Math)

Posted on 2019-04-08 by

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

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

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

Posted on 2019-04-05 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Mobile screen under Sunlight (in Science)

Posted on 2019-04-05 by

Posted on 2019-04-05 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Asymmetrical String (in Numbers)

Posted on 2019-04-04 by

Posted on 2019-04-04 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Sine in Exponent (in Just Math)

Posted on 2019-04-03 by

Posted on 2019-04-03 by

**Danish Ahmed Khan**(No Solution Yet, 10 Comments)Hexagon Angles Needed (in Shapes)

Posted on 2019-04-02 by

Posted on 2019-04-02 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The next 0, 1, 2 (in Sequences)

Posted on 2019-04-01 by

Posted on 2019-04-01 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Vertices to incircle (in Shapes)

Posted on 2019-03-30 by

Posted on 2019-03-30 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Radical Factorials (in Just Math)

Posted on 2019-03-29 by

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

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

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

Posted on 2019-03-27 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Divisor in between (in Numbers)

Posted on 2019-03-26 by

Posted on 2019-03-26 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Mean=Median=Mode (in Just Math) Rating: 3.00

Posted on 2019-03-23 by

Posted on 2019-03-23 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Cubic transformation (in Just Math)

Posted on 2019-03-22 by

Posted on 2019-03-22 by

**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Too many to work with (in Geometry)

Posted on 2019-03-21 by

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

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

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

Posted on 2019-03-20 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Math is radical (in Numbers) Rating: 5.00

Posted on 2019-03-19 by

Posted on 2019-03-19 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Weird equations (in Just Math) Rating: 3.00

Posted on 2019-03-18 by

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

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

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

Posted on 2019-03-15 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Where is the center? (in Geometry)

Posted on 2019-03-15 by

Posted on 2019-03-15 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)'Two' many roots (in Just Math)

Posted on 2019-03-14 by

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

Posted on 2019-03-13 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Shifting the digit II (in Numbers)

Posted on 2019-03-13 by

Posted on 2019-03-13 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)A Golden Fraction (in Numbers)

Posted on 2019-03-12 by

Posted on 2019-03-12 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Digit Deduction (in Numbers) Rating: 5.00

Posted on 2019-03-12 by

Posted on 2019-03-12 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Shifting the digit (in Numbers)

Posted on 2019-03-11 by

Posted on 2019-03-11 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Median formula (in Just Math) Rating: 3.00

Posted on 2019-03-10 by

Posted on 2019-03-10 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Envelop the rhombuses (in Shapes) Rating: 5.00

Posted on 2019-03-09 by

Posted on 2019-03-09 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Minimizing the Denominator (in Numbers)

Posted on 2019-03-08 by

Posted on 2019-03-08 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Rectangle on a cubic (in Just Math)

Posted on 2019-03-07 by

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

Posted on 2019-03-07 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)A Great Greatest Common Divisor (in Numbers)

Posted on 2019-03-06 by

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

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

Posted on 2019-03-05 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Subdivided parallelogram (in Geometry)

Posted on 2019-03-04 by

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

Posted on 2019-03-04 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Tan-ing the sine (in Just Math)

Posted on 2019-03-03 by

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

Posted on 2019-03-02 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Summing the pairs (in Just Math)

Posted on 2019-03-01 by

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

Posted on 2019-03-01 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Shifted regions (in Just Math)

Posted on 2019-02-27 by

Posted on 2019-02-27 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Expanding Annulus (in Science)

Posted on 2019-02-26 by

Posted on 2019-02-26 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Incentroid (in Geometry) Rating: 3.00

Posted on 2019-02-24 by

Posted on 2019-02-24 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Outfoxing a fox (in Calculus)

Posted on 2019-02-23 by

Posted on 2019-02-23 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Limited reflections (in General)

Posted on 2019-02-19 by

Posted on 2019-02-19 by

**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Outcoming (in Geometry) Rating: 5.00

Posted on 2019-02-17 by

Posted on 2019-02-17 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)I squeeze, squeeze, and squeeze (in Geometry)

Posted on 2019-02-15 by

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

Posted on 2019-02-14 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Triangle area / perimeter (in Just Math)

Posted on 2019-02-12 by

Posted on 2019-02-12 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)A Walking puzzle (in Just Math)

Posted on 2019-02-08 by

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

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

Posted on 2019-02-07 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Integers inside surds (in Numbers)

Posted on 2019-02-03 by

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

Posted on 2019-02-02 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)48th digit in the head (in Just Math)

Posted on 2019-01-30 by

Posted on 2019-01-30 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Digit Anagram II (in Numbers) Rating: 5.00

Posted on 2019-01-29 by

Posted on 2019-01-29 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Areal equality (in Geometry)

Posted on 2019-01-27 by

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

Posted on 2019-01-26 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Digit Anagram (in Numbers) Rating: 5.00

Posted on 2019-01-24 by

Posted on 2019-01-24 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)An Average Student (in Numbers)

Posted on 2019-01-21 by

Posted on 2019-01-21 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Extreme Rationalization (in Numbers)

Posted on 2019-01-19 by

Posted on 2019-01-19 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Worm ate the numbers (in Numbers)

Posted on 2019-01-18 by

Posted on 2019-01-18 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Factorial Tremors (in Numbers)

Posted on 2019-01-16 by

Posted on 2019-01-16 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)N cups on a turntable (in Just Math) Rating: 5.00

Posted on 2019-01-13 by

Posted on 2019-01-13 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Cover the rectangle (in Just Math)

Posted on 2019-01-10 by

Posted on 2019-01-10 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Sine recurrence (in Just Math)

Posted on 2019-01-08 by

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

Posted on 2019-01-07 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Designing Planets (in Science) Rating: 1.00

Posted on 2019-01-04 by

Posted on 2019-01-04 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Complex (in Just Math) Rating: 4.00

Posted on 2018-12-22 by

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

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

Posted on 2018-12-20 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Concentric Circles and Equilateral Triangle (in Just Math) Rating: 5.00

Posted on 2018-12-15 by

Posted on 2018-12-15 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Discs in Triangle (in Geometry) Rating: 3.00

Posted on 2018-12-13 by

Posted on 2018-12-13 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Rolling Ellipse (in Geometry)

Posted on 2018-12-07 by

Posted on 2018-12-07 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Heptagonal Beauty (in Geometry)

Posted on 2018-12-02 by

Posted on 2018-12-02 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Distance squared (in Calculus)

Posted on 2018-11-24 by

Posted on 2018-11-24 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Mean Diagonals (in Calculus)

Posted on 2018-11-23 by

Posted on 2018-11-23 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Sine of Squared (in Calculus) Rating: 5.00

Posted on 2018-11-15 by

Posted on 2018-11-15 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Too Small of an Angle (in Just Math)

Posted on 2018-11-11 by

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

Posted on 2018-11-10 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Tangent Ellipses (in Just Math)

Posted on 2018-11-08 by

Posted on 2018-11-08 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)A Cone and a Sphere (in Just Math)

Posted on 2018-09-07 by

Posted on 2018-09-07 by

**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Complicated Tangency (in Geometry)

Posted on 2018-09-01 by

Posted on 2018-09-01 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)What is the best question? (in Probability) Rating: 5.00

Posted on 2018-05-02 by

Posted on 2018-05-02 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Where's Bob? (in General) Rating: 4.50

Posted on 2018-05-01 by

Posted on 2018-05-01 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Some of these and some of those (in Numbers)

Posted on 2018-04-30 by

Posted on 2018-04-30 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)When polynomial and trigo unite! (in Calculus)

Posted on 2018-04-24 by

Posted on 2018-04-24 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)If only it's a power of three (in Just Math)

Posted on 2018-04-22 by

Posted on 2018-04-22 by

**Danish Ahmed Khan**(No Solution Yet, 0 Comments)An almost regular tetrahedron (in Geometry)

Posted on 2018-04-20 by

Posted on 2018-04-20 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The Devil 30-gon (in Geometry)

Posted on 2018-04-17 by

Posted on 2018-04-17 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Angle in an Equilateral Pentagon (in Geometry)

Posted on 2018-04-12 by

Posted on 2018-04-12 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Easy Peasy Parabola (in Geometry)

Posted on 2018-04-11 by

Posted on 2018-04-11 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Parenthetical Integer (in Numbers)

Posted on 2018-04-04 by

Posted on 2018-04-04 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Cube Decomposition (in Geometry)

Posted on 2018-04-02 by

Posted on 2018-04-02 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Pascal Determinant (in Just Math)

Posted on 2018-03-31 by

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

Posted on 2018-03-30 by

**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Boxed Parabolas (in Geometry)

Posted on 2018-03-24 by

Posted on 2018-03-24 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Not enough information! (in Science)

Posted on 2018-03-23 by

Posted on 2018-03-23 by

**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Divisibility in a sequence (in Numbers)

Posted on 2017-08-12 by

Posted on 2017-08-12 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Palindromic sum (in Just Math)

Posted on 2017-08-08 by

Posted on 2017-08-08 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Nondivisibility by 11 (in Just Math) Rating: 4.00

Posted on 2017-08-06 by

Posted on 2017-08-06 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Same Real Roots (in Just Math)

Posted on 2016-12-10 by

Posted on 2016-12-10 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Vieta's derivatives (in Just Math)

Posted on 2016-12-02 by

Posted on 2016-12-02 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)composite function (in Calculus) Rating: 3.00

Posted on 2016-11-29 by

Posted on 2016-11-29 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Equal Areas on Circles (in Geometry)

Posted on 2016-11-19 by

Posted on 2016-11-19 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Don't be confused (in General)

Posted on 2016-11-14 by

Posted on 2016-11-14 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Roots Ready to Relate (in Just Math) Rating: 4.00

Posted on 2016-11-06 by

Posted on 2016-11-06 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Matrix Mathematics (in Just Math)

Posted on 2016-10-30 by

Posted on 2016-10-30 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)A little twist (in Just Math)

Posted on 2016-10-21 by

Posted on 2016-10-21 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)get the real part of the problem (in Just Math)

Posted on 2016-10-16 by

Posted on 2016-10-16 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)this is the range of my root (in Just Math)

Posted on 2016-10-14 by

Posted on 2016-10-14 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)polynomial problem 3 (in Just Math)

Posted on 2016-10-08 by

Posted on 2016-10-08 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)polynomial problem 2 (in Just Math) Rating: 3.00

Posted on 2016-09-30 by

Posted on 2016-09-30 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Polynomial problem (in Just Math)

Posted on 2015-03-22 by

Posted on 2015-03-22 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Pentagon Fraction Minimizing (in Just Math)

Posted on 2015-03-16 by

Posted on 2015-03-16 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Triangle to Triangle (in General)

Posted on 2015-03-07 by

Posted on 2015-03-07 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Minimizing Perimeter (in Shapes)

Posted on 2015-03-04 by

Posted on 2015-03-04 by

**Danish Ahmed Khan**(No Solution Yet, 15 Comments)Equilateral fun (in Geometry)

Posted on 2015-02-28 by

Posted on 2015-02-28 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Prime and perfect (in Numbers)

Posted on 2015-02-27 by

Posted on 2015-02-27 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Repeated Words (in Word Problems)

Posted on 2015-02-19 by

Posted on 2015-02-19 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)The LSD of Prime Numbers (in Numbers)

Posted on 2015-02-08 by

Posted on 2015-02-08 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Very very colourful (in General)

Posted on 2015-02-06 by

Posted on 2015-02-06 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Palindromes from Digit Sum Series (in Numbers) Rating: 3.00

Posted on 2015-02-03 by

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

Posted on 2015-02-02 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Integer Triplets with a Difference (in Numbers)

Posted on 2015-01-30 by

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

Posted on 2015-01-29 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Final Minus Two (in Just Math)

Posted on 2015-01-24 by

Posted on 2015-01-24 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Easy as One, Two, Three (in Numbers)

Posted on 2015-01-20 by

Posted on 2015-01-20 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Trigo inequality (in Just Math)

Posted on 2014-12-11 by

Posted on 2014-12-11 by

**Danish Ahmed Khan**(No Solution Yet, 11 Comments)World War I sword (in Riddles)

Posted on 2014-09-02 by

Posted on 2014-09-02 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)A PowerSum Puzzle (in Numbers)

Posted on 2014-08-27 by

Posted on 2014-08-27 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)A world cup problem (in Probability) Rating: 1.50

Posted on 2014-08-26 by

Posted on 2014-08-26 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments) Trigonometric progression (in Just Math)

Posted on 2014-08-24 by

Posted on 2014-08-24 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The Real Cyclic Quad (in Geometry) Rating: 1.50

Posted on 2014-08-23 by

Posted on 2014-08-23 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Minimizing Trigo value (in Numbers) Rating: 4.00

Posted on 2014-03-02 by

Posted on 2014-03-02 by

**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Penta-Quadratic (in Just Math) Rating: 4.00

Posted on 2014-02-23 by

Posted on 2014-02-23 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Overlapping Triangles (in Geometry)

Posted on 2014-02-22 by

Posted on 2014-02-22 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The Equiangular Hexagon (in Geometry)

Posted on 2014-02-17 by

Posted on 2014-02-17 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Remove last three to get cube root (in Numbers)

Posted on 2014-02-11 by

Posted on 2014-02-11 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Cards In A Circle (in General) Rating: 3.00

Posted on 2014-02-09 by

Posted on 2014-02-09 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Bisection In a triangle (in Geometry)

Posted on 2014-02-01 by

Posted on 2014-02-01 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Deduction Problem (in Numbers)

Posted on 2014-01-31 by

Posted on 2014-01-31 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)A Tetrahedron (in General) Rating: 3.00

Posted on 2014-01-30 by

Posted on 2014-01-30 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Passing On A Track (in Just Math) Rating: 3.00

Posted on 2014-01-29 by

Posted on 2014-01-29 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Lets Concatenate (in Just Math)

Posted on 2014-01-28 by

Posted on 2014-01-28 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)3 INCIRCLES (in Geometry) Rating: 3.00

Posted on 2014-01-25 by

Posted on 2014-01-25 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Incircles in equilateral triangles (in Geometry)

Posted on 2014-01-18 by

Posted on 2014-01-18 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Pentagon in a semicircle (in Geometry)

Posted on 2014-01-11 by

Posted on 2014-01-11 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)120° Breeds 90° (in Geometry) Rating: 3.00

Posted on 2014-01-04 by

Posted on 2014-01-04 by

**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Trigonometric product (in Numbers)

Posted on 2013-12-29 by

Posted on 2013-12-29 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Algebra and Primes (in Numbers) Rating: 4.00

Posted on 2013-12-25 by

Posted on 2013-12-25 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Hidden Animals (in General) Rating: 2.00

Posted on 2013-12-24 by

Posted on 2013-12-24 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Fight (in Logic) Rating: 3.00

Posted on 2013-12-20 by

Posted on 2013-12-20 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Two Rectangles (in Geometry) Rating: 3.00

Posted on 2013-12-09 by

Posted on 2013-12-09 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)APPLE + LEMON = BANANA (in Numbers)

Posted on 2013-12-04 by

Posted on 2013-12-04 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Square in a Pentagon (in Geometry) Rating: 3.00

Posted on 2013-12-01 by

Posted on 2013-12-01 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Continued Multiples (in Numbers) Rating: 5.00

Posted on 2013-11-29 by

Posted on 2013-11-29 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Pentagon in a Square (in Geometry)

Posted on 2013-11-28 by

Posted on 2013-11-28 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Equal sums on a circle (in General) Rating: 3.00

Posted on 2013-11-26 by

Posted on 2013-11-26 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Safe chess piece (in Games) Rating: 3.33

Posted on 2013-11-21 by

Posted on 2013-11-21 by

**Danish Ahmed Khan**(No Solution Yet, 9 Comments)Testing Three Students (in Just Math)

Posted on 2013-11-20 by

Posted on 2013-11-20 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)A Square, a Rectangle and a Triangle (in Geometry) Rating: 3.00

Posted on 2013-11-17 by

Posted on 2013-11-17 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Four Egyptian Fractions (in Numbers)

Posted on 2013-11-13 by

Posted on 2013-11-13 by

**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Consecutive Additions (in Numbers) Rating: 3.00

Posted on 2013-11-12 by

Posted on 2013-11-12 by

**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Hexagon in a square (in Shapes)

Posted on 2013-11-10 by

Posted on 2013-11-10 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Four Digits (in Numbers) Rating: 4.00

Posted on 2013-11-05 by

Posted on 2013-11-05 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Triangles And Rectangles Pair (in Geometry)

Posted on 2013-11-01 by

Posted on 2013-11-01 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Fill In The Blanks (in Numbers)

Posted on 2013-10-30 by

Posted on 2013-10-30 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Slow Cows (in General) Rating: 4.00

Posted on 2013-10-28 by

Posted on 2013-10-28 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Trigo computation (in Numbers)

Posted on 2013-10-11 by

Posted on 2013-10-11 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Quintic Expression (in Just Math) Rating: 4.00

Posted on 2013-10-09 by

Posted on 2013-10-09 by

**Danish Ahmed Khan**(No Solution Yet, 8 Comments)Non existing altitudes (in Geometry)

Posted on 2013-10-03 by

Posted on 2013-10-03 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Rhomboctagon (in Geometry) Rating: 3.00

Posted on 2013-09-28 by

Posted on 2013-09-28 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Three Semi-Circles (in Geometry)

Posted on 2013-09-22 by

Posted on 2013-09-22 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Mysterious Sequence (in Sequences) Rating: 5.00

Posted on 2013-09-11 by

Posted on 2013-09-11 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)play with digit (in Numbers)

Posted on 2013-09-10 by

Posted on 2013-09-10 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The 1234 Problem (in Numbers)

Posted on 2013-09-05 by

Posted on 2013-09-05 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The Last Two Digits (in Just Math) Rating: 4.00

Posted on 2013-09-04 by

Posted on 2013-09-04 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)The Broken Cash Register (in Just Math)

Posted on 2013-08-30 by

Posted on 2013-08-30 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Wild and Wooley Numbers (in Numbers)

Posted on 2013-08-28 by

Posted on 2013-08-28 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The 1979 Series (in Sequences)

Posted on 2013-08-27 by

Posted on 2013-08-27 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)The cunning Condition (in Just Math)

Posted on 2013-08-25 by

Posted on 2013-08-25 by

**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Related Series (in Sequences)

Posted on 2013-08-23 by

Posted on 2013-08-23 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Dodecagonal Diagonals (in Shapes)

Posted on 2013-08-22 by

Posted on 2013-08-22 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Tread Ware (in General) Rating: 2.50

Posted on 2013-08-20 by

Posted on 2013-08-20 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Random Queens (in Probability) Rating: 3.00

Posted on 2013-08-16 by

Posted on 2013-08-16 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)NegaBinary Numbers (in Algorithms) Rating: 3.00

Posted on 2013-08-14 by

Posted on 2013-08-14 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Morley's Ghost (in Geometry) Rating: 3.50

Posted on 2013-08-10 by

Posted on 2013-08-10 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)An Elusive Quadratic (in Numbers)

Posted on 2013-08-09 by

Posted on 2013-08-09 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)A Funny Function (in Calculus) Rating: 4.00

Posted on 2013-08-01 by

Posted on 2013-08-01 by

**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Squarely Sorted (in Numbers)

Posted on 2013-07-27 by

Posted on 2013-07-27 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)A Pleasurable Puzzle (in Just Math)

Posted on 2013-07-26 by

Posted on 2013-07-26 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Casting Out Zeros (in Just Math)

Posted on 2013-07-25 by

Posted on 2013-07-25 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Weighted Quadrilateral (in Geometry) Rating: 3.00

Posted on 2013-07-25 by

Posted on 2013-07-25 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Prince Rupert's Tetrahedron (in Shapes)

Posted on 2013-07-21 by

Posted on 2013-07-21 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)7 boolean Questions (in Logic)

Posted on 2013-07-19 by

Posted on 2013-07-19 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Penny Parity (in General) Rating: 3.00

Posted on 2013-07-18 by

Posted on 2013-07-18 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Framing (in Geometry) Rating: 4.00

Posted on 2013-07-16 by

Posted on 2013-07-16 by

**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Upside Down LCD Display (in Numbers)

Posted on 2013-07-15 by

Posted on 2013-07-15 by

**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Every Die Face (in Probability) Rating: 3.00

Posted on 2013-07-12 by

Posted on 2013-07-12 by

**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Factorials AND Powers (in Numbers)

Posted on 2013-07-11 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Simple Thinking (in Numbers)

Posted on 2013-07-09 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)The Seventh Power (in Numbers)

Posted on 2013-07-08 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Pascal Triangle (in Numbers)

Posted on 2013-07-06 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Mystery Matrix (in Sequences)

Posted on 2013-07-04 by

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**Danish Ahmed Khan**(No Solution Yet, 6 Comments)222 (in Word Problems) Rating: 2.00

Posted on 2013-07-02 by

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**Danish Ahmed Khan**(No Solution Yet, 11 Comments)Digital Factorial (in Numbers)

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)What's the ... (in Just Math)

Posted on 2013-06-27 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Infinite Product (in Numbers)

Posted on 2013-06-24 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)PRIMY inequality (in Just Math)

Posted on 2013-06-22 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Shiny Numbers (in Just Math)

Posted on 2013-06-20 by

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**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Sliding Coin puzzle (in General) Rating: 3.50

Posted on 2013-06-19 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)A Black and White Issue (in Just Math) Rating: 1.00

Posted on 2013-06-18 by

Posted on 2013-06-18 by

**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Introductions all around (in General) Rating: 3.00

Posted on 2013-06-14 by

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**Danish Ahmed Khan**(No Solution Yet, 8 Comments)Mouse eating Cheese (in Logic)

Posted on 2013-06-12 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Lion and Tamer (in Logic) Rating: 4.00

Posted on 2013-06-10 by

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**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Chess game reconstruction (in Games)

Posted on 2013-06-08 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Mean Distance Two Points (in Shapes)

Posted on 2013-06-01 by

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**Danish Ahmed Khan**(No Solution Yet, 8 Comments)Strings of Nines (in Numbers)

Posted on 2013-05-29 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Crossed Cylinders (in Shapes) Rating: 4.00

Posted on 2013-05-25 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Simple expression but difficult answer (in Just Math)

Posted on 2013-05-21 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Squares and Cubes II (in Numbers) Rating: 3.00

Posted on 2013-05-17 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Divisibility of 29 (in Numbers) Rating: 4.00

Posted on 2013-05-15 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Diophantine Equation (in Just Math)

Posted on 2013-05-14 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Positive Integer, Odd Digits, Divisibility (in Just Math) Rating: 3.67

Posted on 2013-05-12 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Lovely Fibonacci (in Just Math)

Posted on 2013-05-11 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Time for some Prime (in Just Math)

Posted on 2013-05-05 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Dark Divisibility (in Just Math) Rating: 5.00

Posted on 2013-04-27 by

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**Danish Ahmed Khan**(No Solution Yet, 21 Comments)The Seven Primes (in Just Math)

Posted on 2013-04-26 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Equaliteral Triangle Division (in Shapes)

Posted on 2013-04-25 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)2012 sum Digit (in Just Math)

Posted on 2013-04-23 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Incredibly difficult sequence (in Sequences)

Posted on 2013-04-21 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Elegantly Greedy Pirates (in Just Math) Rating: 3.00

Posted on 2013-04-20 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Population of Funkytown (in Logic) Rating: 4.00

Posted on 2013-04-10 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Square division II (in Shapes) Rating: 1.00

Posted on 2013-04-08 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Area of hexagon... (in Geometry)

Posted on 2013-04-06 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Finding Average (in Logic) Rating: 1.50

Posted on 2013-04-01 by

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**Danish Ahmed Khan**(No Solution Yet, 9 Comments)Dangerous Expression for Rationals (in Numbers)

Posted on 2013-03-31 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Four Coin Theorem (in Shapes)

Posted on 2013-03-17 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Strange Equation (in Just Math)

Posted on 2013-03-11 by

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**Danish Ahmed Khan**(No Solution Yet, 10 Comments)Product in a Circle (in Shapes)

Posted on 2013-03-09 by

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**Danish Ahmed Khan**(No Solution Yet, 0 Comments)Magical Magician (in Numbers) Rating: 3.50

Posted on 2013-02-23 by

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**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Perfect squares (in Numbers) Rating: 4.00

Posted on 2013-02-21 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Purely prime (in Just Math) Rating: 5.00

Posted on 2013-02-19 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Primed to Square (in Just Math) Rating: 4.00

Posted on 2013-02-15 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Divisibility rule (in Just Math)

Posted on 2013-02-13 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Finding numbers (in Numbers)

Posted on 2013-02-12 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Egyptian Number (in Just Math) Rating: 2.33

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Midpoint problem (in Geometry) Rating: 3.00

Posted on 2013-02-03 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Sum of real Roots (in Just Math)

Posted on 2013-01-27 by

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**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Cute Divisibility (in Numbers)

Posted on 2013-01-26 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Some basic Maths (in Just Math)

Posted on 2013-01-19 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Last three digits (in Just Math) Rating: 2.00

Posted on 2013-01-16 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Rhombus problem, with tangents and parallel (in Geometry) Rating: 3.00

Posted on 2013-01-13 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Thirteenth power (in Just Math)

Posted on 2013-01-12 by

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**Danish Ahmed Khan**(No Solution Yet, 7 Comments)Divisibility of factorials II (in Numbers)

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Divisibility of factorials (in Numbers)

Posted on 2012-12-29 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Modular mathematics (in Just Math) Rating: 4.00

Posted on 2012-12-28 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Area of semicircle (in Shapes)

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Perpendicular (in Geometry) Rating: 3.33

Posted on 2012-12-26 by

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)n+1,n+11,n+111 (in Just Math) Rating: 2.25

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Not a Prime (in Just Math) Rating: 3.00

Posted on 2012-12-20 by

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**Danish Ahmed Khan**(No Solution Yet, 6 Comments)Transfer of initial digit (in Numbers)

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)A little Generalization (in Numbers)

Posted on 2012-12-18 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Inequality in sums of digits (in Just Math)

Posted on 2012-12-17 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Ones and Nines (in Just Math)

Posted on 2012-12-13 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Possibilities of a (in Just Math) Rating: 3.00

Posted on 2012-12-07 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)GCD of Fibonacci (in Numbers)

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Products of digits. (in Just Math)

Posted on 2012-12-05 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)Find the triplets (in Just Math)

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Divisible by 3. (in Just Math) Rating: 3.00

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**Danish Ahmed Khan**(No Solution Yet, 5 Comments)Summing the fiftieth power (in Shapes)

Posted on 2012-11-29 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)MAX octagonal area (in Shapes)

Posted on 2012-11-28 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Prime pentagon (in Just Math)

Posted on 2012-11-27 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Equal digit sum (in Just Math)

Posted on 2012-11-22 by

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**Danish Ahmed Khan**(No Solution Yet, 4 Comments)Creeping Ants (in Probability)

Posted on 2012-11-21 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Square in Square (in Geometry) Rating: 4.00

Posted on 2012-11-17 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Peculiar pentagon (in Geometry) Rating: 3.00

Posted on 2012-11-15 by

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**Danish Ahmed Khan**(No Solution Yet, 1 Comments)An interesting sequence (in Numbers) Rating: 4.00

Posted on 2012-11-10 by

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**Danish Ahmed Khan**(No Solution Yet, 2 Comments)Missing digit (in General) Rating: 3.33

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Vampire numbers (in Just Math) Rating: 5.00

Posted on 2012-10-31 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)Monstrous prime? (in Just Math) Rating: 2.67

Posted on 2012-10-29 by

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**Danish Ahmed Khan**(No Solution Yet, 3 Comments)