Task 1: The Height of the P.E. Room

This task asked for the height of the room using a boy's height and some Geometry. See what the Karvina answer and the Bucharest answer were.

Task 2: Encrypting Messages

The second task was a very funny one about encrypted messages, and here are the Czech and the Romanian solutions.

Task 3: Puzzles

Our friends from Amsterdam sent us a great last task: puzzles having as solutions the letters of a secret message. The solutions from Bucharest and from Karvina are here for you to see.