Two students were doing Organic Chemistry at University. It doesn't matter which one. The students had done pretty well in their in-term work and labs so they were both going into the final exam with solid A's. So far so good. Trouble was, they were so confident that they decided to party the night before. It was a great night, one thing led to another, and they ended up sleeping in the following morning. They missed the exam! Disasterville! Being inventive souls, though, they went to see the professor afterwards. They explained that they had been visiting a sick out-of-town friend the night before and that on the way home they had developed a flat tire. With no spare tire and no car jack they were stranded and had only managed to hitch a lift back to town mid-morning. They were really sorry to have missed the exam (they were so looking forward to it!) but wondered whether they might be able to sit it that afternoon. The professor concluded this would be fine since they hadn't had time to be in touch with any of the students from the morning's exam. After a short break for lunch the students were ready for the fray. The professor placed them in separate rooms, handed each an exam booklet in turn and told them to begin.

Page one, question one. A simple one for 5 points. This will be easy! Having answered the first question each of the students turned over the page for question number two.

Another simple one, "Which tire?" (95 points).

The moral of the story is that professors aren't as stupid as they make out -that's why they are professors!