A new IQ test has left internet users stumped by its difficult questions.
Only 0.1 percent of the population have managed a perfect 10, the results of the quiz say.
Questions range from literacy to problem solving to mathematics, giving real-world scenarios for each.
It's not an official ID quiz - but creator Terry Stein, a Playbuzz user, claims "you truly are a genius" if you get 100 percent.
Test your own knowledge below.