Prisoners and Coins (in Logic) Rating: 3.00 Posted on 2021-04-14 by tomarken (No Solution Yet, 4 Comments)
Three Coin Consideration (in Logic) Rating: 5.00 Posted on 2023-03-03 by K Sengupta (Solution Posted, 5 Comments)
Coin Quantity Query (in Logic) Rating: 3.67 Posted on 2023-04-20 by K Sengupta (Solution Posted, 8 Comments)
Simple coins (in Probability) Rating: 3.88 Posted on 2002-04-09 by art (Solution Posted, 45 Comments)
2,000,000 Coin Tosses (in Probability) Rating: 3.00 Posted on 2003-03-03 by Charlie (Solution Posted, 10 Comments)
Flipping a coin (in Probability) Rating: 2.76 Posted on 2003-05-20 by Tim Axoy (Solution Posted, 23 Comments)
Coin tossing (in Probability) Rating: 3.67 Posted on 2004-06-11 by Federico Kereki (Solution Posted, 26 Comments)
A Coin Game (in Probability) Rating: 3.50 Posted on 2004-05-20 by Brian Smith (Solution Posted, 12 Comments)
Chessboard Coin (in Probability) Rating: 2.83 Posted on 2004-10-08 by SilverKnight (Solution Posted, 21 Comments)
Flipping Coins (in Probability) Rating: 3.71 Posted on 2004-10-13 by Brian Smith (Solution Posted, 26 Comments)
Multicolored Coins (in Probability) Rating: 3.33 Posted on 2006-05-24 by tomarken (Solution Posted, 10 Comments)
Six hundred coins (in Probability) Rating: 4.50 Posted on 2006-12-22 by Tristan (Solution Posted, 13 Comments)
Three coins (in Probability) Rating: 2.00 Posted on 2015-08-20 by Ady TZIDON (Solution Posted, 10 Comments)
Coin Flip Conundrum (in Probability) Posted on 2024-11-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Coin through a hole (in Shapes) Rating: 3.00 Posted on 2006-05-29 by Jer (Solution Posted, 24 Comments)
Four Coin Theorem (in Shapes) Posted on 2013-03-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Coin And Bottle (in General) Rating: 2.55 Posted on 2003-07-16 by Ravi Raja (Solution Posted, 14 Comments)
Jumping Coins (in General) Rating: 3.00 Posted on 2004-10-18 by Brian Smith (Solution Posted, 9 Comments)
Sliding Coin puzzle (in General) Rating: 3.50 Posted on 2013-06-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
2001 Coin Crossed 1-2-3 Value Conclusion (in General) Rating: 3.00 Posted on 2023-05-07 by K Sengupta (Solution Posted, 3 Comments)
Coin Collection (in Numbers) Rating: 4.20 Posted on 2004-05-04 by Gamer (Solution Posted, 12 Comments)
A Few Coins II (in Numbers) Rating: 1.80 Posted on 2005-05-12 by Dustin (Solution Posted, 6 Comments)
Coin flips (in Numbers) Rating: 4.00 Posted on 2014-01-10 by Ady TZIDON (Solution Posted, 1 Comments)
Coin Collection Conclusion (in Numbers) Rating: 5.00 Posted on 2023-05-01 by K Sengupta (Solution Posted, 1 Comments)
Coins on the round table (in Games) Rating: 3.77 Posted on 2002-09-08 by levik (Solution Posted, 13 Comments)
Coin contest (in Games) Rating: 5.00 Posted on 2015-11-27 by Ady TZIDON (No Solution Yet, 5 Comments)
The odd coin (in Weights and Scales) Rating: 3.17 Posted on 2002-05-01 by theBal (Solution Posted, 40 Comments)
Many coins - one fake (in Weights and Scales) Rating: 3.71 Posted on 2003-05-14 by Jonathan Waltz (Solution Posted, 20 Comments)
39 coins (in Weights and Scales) Rating: 4.13 Posted on 2003-04-23 by Jonathan Waltz (Solution Posted, 10 Comments)
A Bag of Fake Coins (in Weights and Scales) Rating: 4.21 Posted on 2003-07-25 by Brian Smith (Solution Posted, 16 Comments)
Yet one more coin sorting problem (in Weights and Scales) Rating: 4.00 Posted on 2004-05-31 by Federico Kereki (Solution Posted, 20 Comments)
Sorting Coins (in Weights and Scales) Rating: 3.33 Posted on 2004-01-18 by Brian Smith (Solution Posted, 11 Comments)
Classic counterfeit coin problem (in Weights and Scales) Rating: 3.75 Posted on 2005-06-04 by McWorter (Solution Posted, 13 Comments)
Two false coins (in Weights and Scales) Posted on 2005-03-25 by Federico Kereki (Solution Posted, 11 Comments)
Twelve Coins and a Broken Scale (in Weights and Scales) Rating: 3.67 Posted on 2005-06-24 by Brian Smith (Solution Posted, 9 Comments)
One or Two Fake Coins (in Weights and Scales) Rating: 3.67 Posted on 2005-09-13 by Brian Smith (No Solution Yet, 4 Comments)
Two sets of Coins (in Weights and Scales) Rating: 3.50 Posted on 2005-10-07 by Brian Smith (Solution Posted, 7 Comments)
Radioactive Coins (in Weights and Scales) Rating: 4.50 Posted on 2006-10-17 by David Shin (No Solution Yet, 20 Comments)
Weighing Coins (in Weights and Scales) Rating: 5.00 Posted on 2007-02-21 by Dennis (Solution Posted, 6 Comments)
Four Coins and Three Weighings (in Weights and Scales) Rating: 4.33 Posted on 2007-03-08 by Brian Smith (Solution Posted, 10 Comments)
True coins, fake coins (in Weights and Scales) Rating: 5.00 Posted on 2008-10-23 by pcbouhid (Solution Posted, 9 Comments)
Sorting Coins II (in Weights and Scales) Rating: 5.00 Posted on 2012-03-28 by K Sengupta (Solution Posted, 4 Comments)
Ninety nine coins plus one catch (in Weights and Scales) Posted on 2014-06-01 by Ady TZIDON (No Solution Yet, 7 Comments)
4 labeled coins (in Weights and Scales) Rating: 3.00 Posted on 2016-02-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Two Light Coins (in Weights and Scales) Posted on 2015-12-09 by Brian Smith (Solution Posted, 1 Comments)
6 coins (in Weights and Scales) Rating: 4.25 Posted on 2016-01-13 by Ady TZIDON (Solution Posted, 10 Comments)
9 coins prob (in Weights and Scales) Rating: 3.00 Posted on 2016-01-18 by Ady TZIDON (No Solution Yet, 6 Comments)
Restricted Five Coin Sort (in Weights and Scales) Posted on 2016-07-14 by Brian Smith (Solution Posted, 1 Comments)
Counterfeit Coins Conclusion (in Weights and Scales) Rating: 5.00 Posted on 2022-02-28 by K Sengupta (No Solution Yet, 0 Comments)
Sorting Coins III (in Weights and Scales) Rating: 4.00 Posted on 2022-10-26 by K Sengupta (No Solution Yet, 4 Comments)
Multistory Demise Crossed Coin Toss Muse (in Riddles) Rating: 5.00 Posted on 2023-09-15 by K Sengupta (Solution Posted, 3 Comments)
Biased Coins (in Just Math) Rating: 4.00 Posted on 2005-02-17 by David Shin (Solution Posted, 9 Comments)
Quite a coincidence (in Just Math) Rating: 3.00 Posted on 2018-01-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Coincide or Perpendicular (in Geometry) Rating: 3.00 Posted on 2012-10-20 by Bractals (Solution Posted, 0 Comments)
Reflection coincides with the center (in Geometry) Rating: 3.50 Posted on 2019-12-06 by Danish Ahmed Khan (No Solution Yet, 26 Comments)
Intuitive Coins (in Algorithms) Rating: 3.80 Posted on 2005-03-29 by Federico Kereki (Solution Posted, 14 Comments)
