Three boxes sit on a table. One contains gold, one contains silver, and one is empty. Box 1 says: 'The gold is not in Box 2.' Box 2 says: 'This box is empty.' Box 3 says: 'The gold is in Box 1.' If only one statement is true and only one box contains gold, which box holds the gold?
Box 3
If gold were in Box 1, statements 1 and 3 would both be true. If gold were in Box 2, all statements would be false. With gold in Box 3, statement 3 is false, statement 1 is true ('Gold not in 2'), and if silver is in Box 2, statement 2 is false. This fulfills the single true statement requirement.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Medium. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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