Subtle Summed Squares (in Numbers) Rating: 5.00 Posted on 2007-05-18 by Old Original Oskar! (Solution Posted, 6 Comments)
Strange Symmetric Sickness (in Liars and Knights) Rating: 4.33 Posted on 2007-04-13 by Old Original Oskar! (Solution Posted, 3 Comments)
Differences Do Dozen? (in Numbers) Rating: 4.00 Posted on 2007-03-28 by Old Original Oskar! (Solution Posted, 2 Comments)
Surprising Sudden Square (in Numbers) Posted on 2007-03-24 by Old Original Oskar! (No Solution Yet, 10 Comments)
Funky Fibonacci Fractions (in Numbers) Rating: 4.67 Posted on 2007-02-22 by Old Original Oskar! (Solution Posted, 5 Comments)
Tricky Troublesome Trisection (in Shapes) Rating: 2.75 Posted on 2007-02-19 by Old Original Oskar! (Solution Posted, 9 Comments)
Allen's Ambivalent Approximation (in Probability) Rating: 4.00 Posted on 2007-01-11 by Old Original Oskar! (Solution Posted, 6 Comments)
Duplicate Digit Determination (in Numbers) Posted on 2006-12-03 by Old Original Oskar! (Solution Posted, 6 Comments)
Perpetual Primes Production? (in Numbers) Rating: 4.00 Posted on 2006-11-29 by Old Original Oskar! (Solution Posted, 12 Comments)
Arbitrary Adventures Analysis (in General) Rating: 4.00 Posted on 2006-11-20 by Old Original Oskar! (No Solution Yet, 10 Comments)
Vital Vegetal Vibes (in General) Rating: 2.75 Posted on 2006-08-07 by Old Original Oskar! (Solution Posted, 11 Comments)
Needed: Number Nineteen! (in General) Rating: 3.71 Posted on 2006-06-01 by Old Original Oskar! (Solution Posted, 13 Comments)
Naughty Nimble Nines (in General) Rating: 3.25 Posted on 2006-05-30 by Old Original Oskar! (Solution Posted, 14 Comments)
Repeated Root Research (in Calculus) Rating: 3.67 Posted on 2006-05-08 by Old Original Oskar! (Solution Posted, 7 Comments)
Hanoi Hard Hack (in Algorithms) Rating: 3.67 Posted on 2006-04-23 by Old Original Oskar! (Solution Posted, 8 Comments)
Perpendiculars Picking Probability (in Probability) Rating: 3.80 Posted on 2005-11-24 by Old Original Oskar! (Solution Posted, 6 Comments)
Similar Six Sequence (in Numbers) Rating: 3.75 Posted on 2005-11-18 by Old Original Oskar! (Solution Posted, 20 Comments)
Challenging Chess Championship (in Games) Rating: 3.33 Posted on 2005-11-16 by Old Original Oskar! (Solution Posted, 13 Comments)
Tiptoe through Time (in General) Rating: 2.57 Posted on 2005-10-11 by Old Original Oskar! (Solution Posted, 8 Comments)
Just Jauntily Jousting (in Liars and Knights) Rating: 4.00 Posted on 2005-08-15 by Old Original Oskar! (Solution Posted, 8 Comments)
Tackle These Three Tests (in General) Rating: 2.78 Posted on 2005-08-07 by Old Original Oskar! (Solution Posted, 9 Comments)
Peculiar Plane Points? (in Geometry) Rating: 3.00 Posted on 2005-08-03 by Old Original Oskar! (Solution Posted, 2 Comments)
Pair Playing Probability (in Probability) Rating: 3.00 Posted on 2005-08-02 by Old Original Oskar! (Solution Posted, 32 Comments)
Two to the Tee (in Numbers) Rating: 4.00 Posted on 2005-07-29 by Old Original Oskar! (Solution Posted, 5 Comments)
Siblings Should Share Secret Safely (in General) Rating: 4.00 Posted on 2005-07-17 by Old Original Oskar! (Solution Posted, 19 Comments)
Shining Segments Show Same Sum? (in General) Posted on 2005-07-06 by Old Original Oskar! (Solution Posted, 7 Comments)
Complicated Cars Conundrum (in Logic) Rating: 1.67 Posted on 2005-07-03 by Old Original Oskar! (Solution Posted, 7 Comments)
Many Marbles Mystery (in Geometry) Rating: 4.00 Posted on 2005-06-29 by Old Original Oskar! (Solution Posted, 5 Comments)
Special Similar Set (in Weights and Scales) Rating: 3.33 Posted on 2005-06-27 by Old Original Oskar! (No Solution Yet, 11 Comments)
Three Tests, Take Three! (in Weights and Scales) Rating: 4.00 Posted on 2005-06-23 by Old Original Oskar! (Solution Posted, 15 Comments)
Similar Sides Sought (in Geometry) Rating: 3.50 Posted on 2005-06-20 by Old Original Oskar! (Solution Posted, 7 Comments)
Might Merely Meet (in Probability) Rating: 4.00 Posted on 2005-06-07 by Old Original Oskar! (Solution Posted, 12 Comments)
It is infinite if it isn't? (in Paradoxes) Rating: 3.00 Posted on 2005-04-12 by Old Original Oskar! (Solution Posted, 36 Comments)
Powerful Powers Pileup! (in Just Math) Rating: 3.00 Posted on 2005-04-03 by Old Original Oskar! (Solution Posted, 3 Comments)
Cutting Contrives Conical Cup (in Shapes) Rating: 4.00 Posted on 2005-04-01 by Old Original Oskar! (Solution Posted, 18 Comments)
Desperately Difficult Derivative (in Calculus) Rating: 3.80 Posted on 2005-03-30 by Old Original Oskar! (Solution Posted, 10 Comments)
Pegless Painting Plummets! (in General) Rating: 4.00 Posted on 2005-03-29 by Old Original Oskar! (Solution Posted, 20 Comments)
Equivalent Equator Empirical Experience! (in Science) Rating: 2.80 Posted on 2005-03-27 by Old Original Oskar! (Solution Posted, 12 Comments)
Fateful Fickle Fifteen (in Probability) Rating: 4.00 Posted on 2005-03-24 by Old Original Oskar! (Solution Posted, 9 Comments)
Two to the Three = Three to the Two? (in Numbers) Rating: 5.00 Posted on 2005-03-22 by Old Original Oskar! (Solution Posted, 9 Comments)
Prime Product Permutation (in Numbers) Rating: 3.25 Posted on 2005-03-21 by Old Original Oskar! (Solution Posted, 6 Comments)
Wonderful Water Works (in Weights and Scales) Rating: 2.67 Posted on 2005-03-19 by Old Original Oskar! (Solution Posted, 6 Comments)
Cut Cube = Cone (in Geometry) Posted on 2005-03-17 by Old Original Oskar! (Solution Posted, 2 Comments)
Contrived Card Change! (in Tricks) Rating: 2.17 Posted on 2005-03-15 by Old Original Oskar! (Solution Posted, 2 Comments)
Pretty Potent Primes (in Numbers) Rating: 3.33 Posted on 2005-03-13 by Old Original Oskar! (Solution Posted, 12 Comments)
Curious Continuous Connection (in Shapes) Posted on 2005-03-10 by Old Original Oskar! (Solution Posted, 4 Comments)
Different Dot Domains Division (in Shapes) Rating: 3.00 Posted on 2005-03-08 by Old Original Oskar! (Solution Posted, 6 Comments)
Cut Chocolate Carefully! (in Shapes) Rating: 3.00 Posted on 2005-03-05 by Old Original Oskar! (Solution Posted, 9 Comments)
Curiously Cavalier Chess Conclusion (in Games) Rating: 4.13 Posted on 2005-02-25 by Old Original Oskar! (Solution Posted, 7 Comments)
Function(Function()) Finding (in Calculus) Rating: 3.17 Posted on 2005-02-02 by Old Original Oskar! (Solution Posted, 13 Comments)
Four Fours Fancy Formula! (in Just Math) Rating: 2.29 Posted on 2004-12-24 by Old Original Oskar! (Solution Posted, 6 Comments)
Rational Result? Ridiculous! (in Numbers) Rating: 2.75 Posted on 2004-12-20 by Old Original Oskar! (Solution Posted, 20 Comments)
Find Friendly Fractions! (in Just Math) Rating: 3.55 Posted on 2004-11-24 by Old Original Oskar! (Solution Posted, 17 Comments)
Curious Cubic Calculation? (in Numbers) Rating: 3.83 Posted on 2004-10-13 by Old Original Oskar! (Solution Posted, 14 Comments)
Similar Sequence Sum! (in Just Math) Rating: 2.00 Posted on 2004-10-07 by Old Original Oskar! (Solution Posted, 6 Comments)
Isn't It Integer? (in Just Math) Rating: 4.33 Posted on 2004-10-06 by Old Original Oskar! (Solution Posted, 3 Comments)
Tic-Tac-Toe Toss Tactics? (in Probability) Rating: 4.00 Posted on 2004-10-04 by Old Original Oskar! (Solution Posted, 11 Comments)
Summing Squares Sequentially! (in Numbers) Rating: 2.00 Posted on 2004-10-01 by Old Original Oskar! (Solution Posted, 10 Comments)
Is It Infinitely Increasing? (in Just Math) Rating: 3.00 Posted on 2004-09-30 by Old Original Oskar! (Solution Posted, 13 Comments)
Rare Rotative Relationship! (in Numbers) Rating: 4.75 Posted on 2004-09-23 by Old Original Oskar! (Solution Posted, 13 Comments)
