You can learn general knowledge from books, TV shows, Wikipedia tangents, and strange chats with pals. Some people, like the well-known Jeopardy contestant Ken Jennings, possess the knowledge necessary for a Ph.D. Some people think it's useless. Whether it is helpful or not, it can be enjoyable to gauge your level of knowledge. You can also test your knowledge of sports, science, and pop culture trivia by taking the following quiz. Good fortune!