Five runners finish a school marathon, and only these facts survive. Jonas finished ahead of Nico. Elena finished ahead of Jonas. Mara finished ahead of Dmitri. Nico finished ahead of Mara. Who finished last?
Dmitri.
Putting every clue in a line gives this order: Elena, Jonas, Nico, Mara, Dmitri.
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
I wear a carrot nose and a scarf and I melt in the sun. What am I?
Five friends line up for a ride at the fair, and the sign lists only these facts. Felix stands ahead of Iris. Elena stands ahead of Pavel. Pavel stands ahead of Felix. Gwen stands ahead of Elena. Who stands second in line?
I fall from the sky, each of me is different, and I turn the ground white. What am I?
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: parade float, flag, parade float, flag, parade float. What comes next?
I am white and floaty, and I can pass through walls. What am I?