Five runners finish a school marathon, and only these facts survive. Gwen finished ahead of Luca. Nico finished ahead of Boris. Luca finished ahead of Nico. Boris finished ahead of Pavel. Who finished second?
Luca.
Putting every clue in a line gives this order: Gwen, Luca, Nico, Boris, Pavel.
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: Hard. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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