A long long time ago, in a galaxy far away, I used to teach a couple of courses, including Digital Design and Discrete Mathematics. The exams always contained an extra credit question and it was always a Star Wars reference. Eight of those can be found below. All rights for the art belong to the images authors, and the inspiration for the problems came from all around the internet (and a story by the great Dario Dzamonja).
Harun Šiljak 