Question 1 of 7 — Warm-Up
A bat and a ball cost $1.10 together. The bat costs $1.00 more than the ball. How much does the ball cost?
This is the most famous trick question in cognitive science. It comes from Nobel Prize winner Daniel Kahneman’s research.
Your brain is screaming an answer right now. That answer is probably wrong.
Take your time. Think twice.
Next: ➡️ Reveal the Answer to Question 1
