Impossible math exam

I just read in a Swedish newspaper that there was a math exam at The Royal Institute of Technology, one of the bigger technology universities in Sweden, that was impossible to solve. The teacher who wrote the exam made a mistake in 3 of the 5 problems which made them impossible to solve. 2.5 hours into the exam a teacher came and told the students that the first two problems were unsolvable and when there was 30 minutes left of the exam the teacher came once again and said that the last problem also was unsolvable. But the students weren't given the chance to write the exam again so weeks of studying down the drain. Its so nice to be a student.

Read more (its in Swedish though)