At university, there were four people taking Organic Chemistry. They were doing so well on all the quizzes, midterm exam and lab pracs, that each had an "A" so far for the semester.
These four friends were so confident that the weekend before finals, they decided to go up to the coast and party with some friends there. They had a great time, but after all the hearty partying; they slept all day Sunday and didn't make it back to university until early Monday morning.
Rather than taking the final then, they decided to find their professor after the final and explain to him why they missed it. They explained that they had gone to away for the weekend with the plan to come back in time to study, but, unfortunately, they had a flat tyre on the way back, didn't have a spare, and couldn't get help for a long time. As a result, they missed the final.
The professor thought it over and then agreed they could make up the final the following day. The students were elated and relieved. They studied that night and went in the next day. The professor placed them in separate rooms and handed each of them a test booklet, and told them to begin.
They looked at the first problem, worth five points. It related to free radical formation. ‘Phew’ they thought at the same time, ‘this is going to be easy.’ Each finished the problem and then turned the page.
On the second page was written: (For 95 points): Which tyre?
The worst day camping still beats the best day working