image creditThomas Edison had an encyclopedic memory, and by the early 1920s, he had become increasingly frustrated by the fact that college graduates applying to work for him didn't have a wealth of knowledge comparable to his own.
To test the mental mettle of incoming job seekers, he administered to each a series of 150 questions, tailored to the position for which they were applying. Some were specific to the industry, while others were mysterious. Here's a cheat sheet to help you master some of the finer points.
