Unsolved math Memes

Just your typical high school math exam where teleporting crocodiles and diplomats shaking hands are somehow relevant to your future career. Nothing says "practical math skills" like calculating the angle of a fictional character named "Brr Brr Patapim" who teleports around a unit square. I still have nightmares about Problem 5—proving every even number greater than 2 is the sum of two primes. Congratulations, you've just encountered Goldbach's conjecture, an unsolved problem since 1742. The teacher probably thought, "Let's casually slip an unsolved mathematical mystery worth $1 million into a 60-minute exam." Pure evil.