Division by e (in Just Math) Rating: 5.00 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 Danish Ahmed Khan (No Solution Yet, 7 Comments)
A special equation (in Just Math) Posted on 2020-02-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Reflection Triangle (in Shapes) Posted on 2020-01-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Maximal Rectangle (in Shapes) Posted on 2019-12-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Heptagonal Triangle (in Shapes) Posted on 2019-12-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
The cute substitution (in Calculus) Posted on 2019-12-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Reflection coincides with the center (in Geometry) Rating: 5.00 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 Danish Ahmed Khan (No Solution Yet, 4 Comments)
Can we use Pigeonhole? (in Numbers) Rating: 4.00 Posted on 2019-11-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
The top degree (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
The Big Division (in Numbers) Posted on 2019-11-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Balancing Hemispheres (in Science) Posted on 2019-11-15 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Factor distribution in a school (in Numbers) Posted on 2019-11-13 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
The Weight Obsessed Islander (in Weights and Scales) Posted on 2019-11-12 by Danish Ahmed Khan (No Solution Yet, 1 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, 5 Comments)
A positive rational function (in Just Math) Posted on 2019-11-01 by Danish Ahmed Khan (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, 2 Comments)
Cube rooted till 2019 (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
It's not a Magic Square (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
The Midpoint Locus (in General) Posted on 2019-10-11 by Danish Ahmed Khan (No Solution Yet, 2 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)
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, 5 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: 5.00 Posted on 2019-09-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Spherical displacement of water (in Shapes) Rating: 5.00 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)
Reduced to single digit (in Numbers) Posted on 2019-09-06 by Danish Ahmed Khan (No Solution Yet, 14 Comments)
Beautiful recursion (in Just Math) Posted on 2019-09-03 by Danish Ahmed Khan (No Solution Yet, 2 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) Posted on 2019-08-30 by Danish Ahmed Khan (No Solution Yet, 3 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) Posted on 2019-08-25 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Summing the product of digits (in Numbers) Posted on 2019-08-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Rotated Checkerboard (in Just Math) Posted on 2019-08-22 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: 5.00 Posted on 2019-08-18 by Danish Ahmed Khan (No Solution Yet, 5 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, 4 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)
Squared average equals square (in Numbers) Posted on 2019-08-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
A Mysterious Multiplication (in Numbers) Posted on 2019-08-07 by Danish Ahmed Khan (No Solution Yet, 3 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) Posted on 2019-08-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
High speed horses (in Weights and Scales) Posted on 2019-08-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Height of a Mountain (in Just Math) Posted on 2019-07-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Rods as triangle sides (in Just Math) Posted on 2019-07-28 by Danish Ahmed Khan (No Solution Yet, 1 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, 1 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)
Quick integral (in Calculus) Rating: 2.00 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 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, 2 Comments)
Root switching sides (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Functional Logic (in Just Math) 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 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, 1 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, 1 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, 6 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) 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 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, 1 Comments)
The Real Product (in General) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
A Real function (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 11 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, 3 Comments)
Odd digited square (in Numbers) 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 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)
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)
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)
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: 5.00 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, 1 Comments)
Calculator can't handle it (in Numbers) 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 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, 2 Comments)
Concatenation sum (in Numbers) Rating: 2.00 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Chemical deduction (in Logic) Rating: 5.00 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 Danish Ahmed Khan (No Solution Yet, 1 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, 1 Comments)
A hairy problem (in Just Math) Posted on 2019-05-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Damaged calculator (in Numbers) Posted on 2019-05-07 by Danish Ahmed Khan (No Solution Yet, 0 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, 5 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, 2 Comments)
Paired number GCD and LCM (in Numbers) Posted on 2019-05-03 by Danish Ahmed Khan (No Solution Yet, 1 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 special ones among the group (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 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, 2 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, 1 Comments)
Seven positive numbers (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Distinct figures of Circle and Triangle (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Know the functioning of the function? (in Just Math) 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 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)
Tunneling through a mine car (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
The midpoint of Tangency (in Geometry) 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 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, 1 Comments)
Does the hexagon exist? (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 3 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, 1 Comments)
Mobile screen under Sunlight (in Science) Posted on 2019-04-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Asymmetrical String (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 10 Comments)
Hexagon Angles Needed (in Shapes) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Vertices to incircle (in Shapes) 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 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, 4 Comments)
Divisor in between (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Cubic transformation (in Just Math) 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 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: 5.00 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 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) 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 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, 1 Comments)
Shifting the digit II (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Digit Deduction (in Numbers) Rating: 5.00 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Median formula (in Just Math) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Minimizing the Denominator (in Numbers) 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 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)
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, 1 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, 2 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, 5 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)
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, 1 Comments)
Incentroid (in Geometry) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Limited reflections (in General) 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 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, 2 Comments)
Triangle area / perimeter (in Just Math) 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 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)
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)
48th digit in the head (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 4 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)
Digit Anagram (in Numbers) Rating: 5.00 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Extreme Rationalization (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Factorial Tremors (in Numbers) 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 Danish Ahmed Khan (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)
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)
Designing Planets (in Science) Rating: 1.00 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 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, 5 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)
Discs in Triangle (in Geometry) Rating: 3.00 Posted on 2018-12-13 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)
Heptagonal Beauty (in Geometry) Posted on 2018-12-02 by Danish Ahmed Khan (No Solution Yet, 1 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, 4 Comments)
Sine of Squared (in Calculus) Rating: 5.00 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 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)
Tangent Ellipses (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 6 Comments)
Complicated Tangency (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Where's Bob? (in General) Rating: 4.50 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
When polynomial and trigo unite! (in Calculus) 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 Danish Ahmed Khan (No Solution Yet, 0 Comments)
An almost regular tetrahedron (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Angle in an Equilateral Pentagon (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Parenthetical Integer (in Numbers) Posted on 2018-04-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Cube Decomposition (in Geometry) 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 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)
Boxed Parabolas (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 7 Comments)
Divisibility in a sequence (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Nondivisibility by 11 (in Just Math) Rating: 4.00 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Vieta's derivatives (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Equal Areas on Circles (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 4 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)
Matrix Mathematics (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 4 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)
this is the range of my root (in Just Math) 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 Danish Ahmed Khan (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)
Polynomial problem (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Triangle to Triangle (in General) Posted on 2015-03-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Minimizing Perimeter (in Shapes) Posted on 2015-03-04 by Danish Ahmed Khan (No Solution Yet, 15 Comments)
Equilateral fun (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Repeated Words (in Word Problems) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Very very colourful (in General) 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 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, 1 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)
Final Minus Two (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Trigo inequality (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
A PowerSum Puzzle (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 4 Comments)
Trigonometric progression (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Minimizing Trigo value (in Numbers) Rating: 4.00 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 Danish Ahmed Khan (No Solution Yet, 5 Comments)
Overlapping Triangles (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Remove last three to get cube root (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Bisection In a triangle (in Geometry) Posted on 2014-02-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Deduction Problem (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 4 Comments)
Passing On A Track (in Just Math) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
3 INCIRCLES (in Geometry) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Pentagon in a semicircle (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 0 Comments)
Trigonometric product (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Hidden Animals (in General) Rating: 2.00 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Two Rectangles (in Geometry) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 5 Comments)
Square in a Pentagon (in Geometry) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Pentagon in a Square (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Safe chess piece (in Games) Rating: 3.33 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 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Four Egyptian Fractions (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 6 Comments)
Hexagon in a square (in Shapes) 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 Danish Ahmed Khan (No Solution Yet, 4 Comments)
Triangles And Rectangles Pair (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 5 Comments)
Slow Cows (in General) Rating: 4.00 Posted on 2013-10-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Trigo computation (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 8 Comments)
Non existing altitudes (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Three Semi-Circles (in Geometry) 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
play with digit (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
The Last Two Digits (in Just Math) Rating: 4.00 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Wild and Wooley Numbers (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
The cunning Condition (in Just Math) Posted on 2013-08-25 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Related Series (in Sequences) Posted on 2013-08-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Dodecagonal Diagonals (in Shapes) 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 Danish Ahmed Khan (No Solution Yet, 4 Comments)
Random Queens (in Probability) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
Morley's Ghost (in Geometry) Rating: 3.50 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 Danish Ahmed Khan (No Solution Yet, 2 Comments)
A Funny Function (in Calculus) Rating: 4.00 Posted on 2013-08-01 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Squarely Sorted (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Casting Out Zeros (in Just Math) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Prince Rupert's Tetrahedron (in Shapes) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Penny Parity (in General) Rating: 3.00 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 Danish Ahmed Khan (No Solution Yet, 4 Comments)
Upside Down LCD Display (in Numbers) 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Factorials AND Powers (in Numbers) Posted on 2013-07-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Simple Thinking (in Numbers) Posted on 2013-07-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
The Seventh Power (in Numbers) Posted on 2013-07-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Pascal Triangle (in Numbers) Posted on 2013-07-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Mystery Matrix (in Sequences) Posted on 2013-07-04 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
222 (in Word Problems) Rating: 2.00 Posted on 2013-07-02 by Danish Ahmed Khan (No Solution Yet, 11 Comments)
Digital Factorial (in Numbers) Posted on 2013-07-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
What's the ... (in Just Math) Posted on 2013-06-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Infinite Product (in Numbers) Posted on 2013-06-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
PRIMY inequality (in Just Math) Posted on 2013-06-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Shiny Numbers (in Just Math) Posted on 2013-06-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Sliding Coin puzzle (in General) Rating: 3.50 Posted on 2013-06-19 by 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 Danish Ahmed Khan (No Solution Yet, 3 Comments)
Introductions all around (in General) Rating: 3.00 Posted on 2013-06-14 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Mouse eating Cheese (in Logic) Posted on 2013-06-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Lion and Tamer (in Logic) Rating: 4.00 Posted on 2013-06-10 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Chess game reconstruction (in Games) Posted on 2013-06-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Mean Distance Two Points (in Shapes) Posted on 2013-06-01 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Strings of Nines (in Numbers) Posted on 2013-05-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Crossed Cylinders (in Shapes) Rating: 4.00 Posted on 2013-05-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Simple expression but difficult answer (in Just Math) Posted on 2013-05-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Squares and Cubes II (in Numbers) Rating: 3.00 Posted on 2013-05-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Divisibility of 29 (in Numbers) Rating: 4.00 Posted on 2013-05-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Diophantine Equation (in Just Math) Posted on 2013-05-14 by 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 Danish Ahmed Khan (No Solution Yet, 5 Comments)
Lovely Fibonacci (in Just Math) Posted on 2013-05-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Time for some Prime (in Just Math) Posted on 2013-05-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Dark Divisibility (in Just Math) Rating: 5.00 Posted on 2013-04-27 by Danish Ahmed Khan (No Solution Yet, 21 Comments)
The Seven Primes (in Just Math) Posted on 2013-04-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Equaliteral Triangle Division (in Shapes) Posted on 2013-04-25 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
2012 sum Digit (in Just Math) Posted on 2013-04-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Incredibly difficult sequence (in Sequences) Posted on 2013-04-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Elegantly Greedy Pirates (in Just Math) Rating: 3.00 Posted on 2013-04-20 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Population of Funkytown (in Logic) Rating: 4.00 Posted on 2013-04-10 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Square division II (in Shapes) Rating: 1.00 Posted on 2013-04-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Area of hexagon... (in Geometry) Posted on 2013-04-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Finding Average (in Logic) Rating: 1.50 Posted on 2013-04-01 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Dangerous Expression for Rationals (in Numbers) Posted on 2013-03-31 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Four Coin Theorem (in Shapes) Posted on 2013-03-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Strange Equation (in Just Math) Posted on 2013-03-11 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Product in a Circle (in Shapes) Posted on 2013-03-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Magical Magician (in Numbers) Rating: 3.50 Posted on 2013-02-23 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Perfect squares (in Numbers) Rating: 4.00 Posted on 2013-02-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Purely prime (in Just Math) Rating: 5.00 Posted on 2013-02-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Primed to Square (in Just Math) Rating: 4.00 Posted on 2013-02-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Divisibility rule (in Just Math) Posted on 2013-02-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Finding numbers (in Numbers) Posted on 2013-02-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Egyptian Number (in Just Math) Rating: 2.33 Posted on 2013-02-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Midpoint problem (in Geometry) Rating: 3.00 Posted on 2013-02-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Sum of real Roots (in Just Math) Posted on 2013-01-27 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Cute Divisibility (in Numbers) Posted on 2013-01-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Some basic Maths (in Just Math) Posted on 2013-01-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Last three digits (in Just Math) Rating: 2.00 Posted on 2013-01-16 by 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 Danish Ahmed Khan (No Solution Yet, 1 Comments)
Thirteenth power (in Just Math) Posted on 2013-01-12 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Divisibility of factorials II (in Numbers) Posted on 2013-01-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Divisibility of factorials (in Numbers) Posted on 2012-12-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Modular mathematics (in Just Math) Rating: 4.00 Posted on 2012-12-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Area of semicircle (in Shapes) Posted on 2012-12-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Perpendicular (in Geometry) Rating: 3.33 Posted on 2012-12-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
n+1,n+11,n+111 (in Just Math) Rating: 2.25 Posted on 2012-12-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Not a Prime (in Just Math) Rating: 3.00 Posted on 2012-12-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Transfer of initial digit (in Numbers) Posted on 2012-12-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
A little Generalization (in Numbers) Posted on 2012-12-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Inequality in sums of digits (in Just Math) Posted on 2012-12-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Ones and Nines (in Just Math) Posted on 2012-12-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Possibilities of a (in Just Math) Rating: 3.00 Posted on 2012-12-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
GCD of Fibonacci (in Numbers) Posted on 2012-12-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Products of digits. (in Just Math) Posted on 2012-12-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Find the triplets (in Just Math) Posted on 2012-12-04 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Divisible by 3. (in Just Math) Rating: 3.00 Posted on 2012-12-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Summing the fiftieth power (in Shapes) Posted on 2012-11-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
MAX octagonal area (in Shapes) Posted on 2012-11-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Prime pentagon (in Just Math) Posted on 2012-11-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Equal digit sum (in Just Math) Posted on 2012-11-22 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Creeping Ants (in Probability) Posted on 2012-11-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Square in Square (in Geometry) Rating: 4.00 Posted on 2012-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Peculiar pentagon (in Geometry) Rating: 3.00 Posted on 2012-11-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
An interesting sequence (in Numbers) Rating: 4.00 Posted on 2012-11-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Missing digit (in General) Rating: 3.33 Posted on 2012-11-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Vampire numbers (in Just Math) Rating: 5.00 Posted on 2012-10-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Monstrous prime? (in Just Math) Rating: 2.67 Posted on 2012-10-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
