HARD Logic Puzzle - The Seemingly Impossible Counterfeit Coin Problem - YouTube
Faulty coins-puzzle question asked interviews | by Placewit | Medium
There are 12 coins. One of them is false; it weights differently. It is not known, if the false coin is heavier or lighter than the right coins. How to find the
Can You Solve the Counterfeit Coin Puzzle? | Mental Floss
Math Puzzles - Coins. There is 12 gold coins, where one coin is fake. Using the weight of the two-pan only, in three weighings determine which coin is fake. And it is
Classic brainteaser puzzles used to explore insight: see further... | Download Scientific Diagram