On this site you'll find lots of
logic puzzles and riddles,
puzzling riddles,
science puzzles
and
math puzzles and riddles.
Answers and detailed solutions are included.
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Billiard-balls - logic puzzle of the day



Nine billiard-balls are lying in front of you. Except for one they all have the same weight. The exception is a little bit heavier than the others. What is the minimal number of times you have to use a balance in order to find the wrong billiard ball? |
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