Can you solve the counterfeit coin riddle? - Jennifer Lu
Can you solve the dark coin riddle? - Lisa Winer
The Coin Riddle - Can You Solve The Counterfeit Coin Riddle? - Job Interview Logic Puzzles
The Counterfeit Coin Riddle: Find the Fake in Two Weighings
HARD Logic Puzzle - The Seemingly Impossible Counterfeit Coin Problem
Counterfeit Coins and Balanced Ternary #SoME3
Can you solve the counterfeit gold coin riddle?
101 Coins Puzzle - One coin is fake - Is it heavier or lighter ?
This one weird trick will get you infinite gold - Dan Finkel
Fake Coin Logic Puzzle - The Seemingly IMPOSSIBLE Counterfeit Coin Riddle
Puzzle #9: Counterfeit Coin
Puzzle: Counterfeit Coins 5 real, 2 fake
Puzzle, 12 balls, one scale, 3 weighing only, heavy or light? Classic Brainteaser
Can you solve the false positive riddle? - Alex Gendler
Can you solve the stolen rubies riddle? - Dennis Shasha
Riddle #98 - Counterfeit Coin
Can you solve the locker riddle? - Lisa Winer
Can you solve the famously difficult green-eyed logic puzzle? - Alex Gendler
"The Counterfeit Coin Puzzle: One Weighing Challenge" #mathriddles #riddle #shorts
Find counterfeit (fake) coin out of 8 coins by weighing them only twice