shoopi

what kind of puzzles do you like

the solution is simple. test 3 coins against each other (balance with 2 pans). if one is lighter, it contains the light coin. if equal, it is the last 3 coins. Then from the suspect group of 3, try 2 coins against each other

hmm, i'm bad at math myself

you know the find the lighter coin from 9 coins with 2 weighs problem?

unsolved*

I still have an onsolved weighing problem