Question 1 / 20
One word in this list does not belong in the same group. Which word is it: Pound, Dollar, Yen, Tree.
Would you like to use your joker to eliminate 2 incorrect answers? You can only use this once per quiz.
Did you know that astronauts living abroad in the International Space Station grow up to 3 percent taller while living in microgravity? But they return to their normal height when back on Earth.