If you're interested in seeing some of these "killer questions" there's a book of them called "You failed your math test, Comrade Einstein." Coral CDN link (si

If you're interested in seeing some of these "killer questions" there's a book of them called "You failed your math test, Comrade Einstein." Coral CDN link (since the author's file server seems ridiculously slow): http://www.ftpi.umn.edu.nyud.net/shifman/ComradeEinstein.pdf http://www.ftpi.umn.edu.nyud.net/shifman/ComradeEinstein.pdf