Are you ready to test your IQ and observation skills? This visual puzzle has been making waves across the globe, from the ...

An IQ test can assess a person's cognitive abilities by solving various problems, including identifying an error in an image of polar animals. The error lies in the ...

Your time starts now! Look at the image and study it carefully. This IQ test is an excellent way to test your attentiveness and thinking skills. Have you spotted the mistake in the picture?

Si alguna vez te has preguntado dónde te encuentras en este espectro de colores, hay una prueba en internet (clic aquí) que ...

So, to find it, you'll have to search every pixel in the room. As befits an IQ test, you will have to use not only basic arithmetic but also logic. And, the further you go, the more difficult the ...

Optical illusions often disguise objects in plain sight, putting your observation skills and IQ to the test. Studies suggest that people with sharp problem-solving abilities and a high ...

David Carr survived the test to become the No. 1 pick last year. And, of course, they'll take the Wonderlic. (Click here, and you can take it, too.) The Wonderlic is an IQ test with only 50 ...