A Simple Logic Question That Most Harvard Students Get Wrong

Harvard students get near-perfect SAT scores. These are smart, smart kids. So they shouldn't have trouble with a simple logic question, right? Try the following puzzle: A bat and ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost? Scroll down for the answer ... You probably answered 10¢. That's what most Harvard students answered. But the real answer is 5¢. Behavioral economist Daniel Kahneman explains why most people get this wrong: A number came to yo...