Five runners finish a school marathon, and only these facts survive. Boris finished ahead of Kira. Mara finished ahead of Boris. Iris finished ahead of Mara. Kira finished ahead of Aria. Who finished last?
Aria.
Putting every clue in a line gives this order: Iris, Mara, Boris, Kira, Aria.
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
The sand castle is bigger than the shell, and the swimmer is bigger than the sand castle. Which one is the middle size?
I am red and shaped like a heart, and I show up on cards in February. What am I?
The ruler is smaller than the desk, and the desk is smaller than the student. Which one is the biggest?
The sand castle is bigger than the ice cream cone, and the wave is bigger than the sand castle. Which one is the middle size?
A row goes: basket, basket, carrot, basket, basket, carrot, basket, basket. What comes next?
A row goes: flag, flag, firework, flag, flag, firework, flag, flag. What comes next?