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.
More logic riddles
A line goes: pumpkin, squirrel, pumpkin, squirrel, pumpkin. What comes next?
A row goes: firework, firework, sparkler, firework, firework, sparkler, firework, firework. What comes next?
The ruler is smaller than the desk, and the desk is smaller than the student. Which one is the biggest?
A row goes: ice cream cone, ice cream cone, sand castle, ice cream cone, ice cream cone, sand castle, ice cream cone, ice cream cone. What comes next?
Five friends line up for a ride at the fair, and the sign lists only these facts. Hugo stands ahead of Boris. Carmen stands ahead of Kira. Kira stands ahead of Hugo. Boris stands ahead of Mara. Who stands last in line?
A line goes: desk, student, desk, student, desk. What comes next?