What's your I.Q.? Welcome to the IQ TEST, a PhD-approved, classic IQ test, a test for anyone to take. If you've never had an IQ test before, here's how IQ testing works: This IQ test contains 20 questions. Based on your answers, you'll receive an IQ score between 0 and 200. The average I.Q. is 100. Are you above average IQ, or below average IQ? Take the IQ TEST and test what your I.Q. is!