You have 140+ IQ if you can spot the mistake in the picture in 5 seconds!

IQ tests are simple brain teasers that test your intelligence and critical thinking skills. These puzzles test your logical ...

Test Your IQ Against The Average U.S. Student – 27 Questions To Prove Yourself

Are you smarter than the average U.S. student?Welcome to the ultimate Academic IQ Challenge, inspired by the Nation’s Report ...

Genius IQ Test: You have a sharp brain if you can solve this math puzzle in 6 seconds!

Only highly intelligent readers can solve this math puzzle in 6 seconds. Test your IQ and problem-solving skills now!
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This 66-Question IQ Test Will Reveal How Smart You Actually Are

These quizzes seek to test your IQ by asking you various challenging questions about all kinds of subjects. Take each quiz to find out if you're a genius (I bet you are). Time to test your vocabulary ...

The Ultimate IQ Visual Test: Spot Imposters From These 25 Visual Clues

Part 3!Are you ready to put your mind to the test? This challenge is designed especially for the visual thinkers who love ...