How to Solve Coin Weighing Puzzles, Step by Step
Split the coins into three groups, not two. A clear method for balance scale puzzles, from 9 coins in 2 weighings to the classic 12-coin puzzle.
Riddle10 blog
Riddle10 blog
Split the coins into three groups, not two. A clear method for balance scale puzzles, from 9 coins in 2 weighings to the classic 12-coin puzzle.