A tricky brain teaser has challenged puzzlers to find a hidden letter among a grid of X's and K's - but only people with high IQ are able to spot it within 13 seconds ...

IQ tests, or Intelligence Quotient tests, assess a person's cognitive abilities and problem-solving skills. These tests ...

If you have a high IQ then only you can find two mistakes in the picture in 10 seconds. Test your intelligence now!

Can you find the poor family in this picture puzzle in just 11 seconds? Only 135+ high-IQ individuals can solve this ...

Within the U.S., Massachusetts was found to have the highest average IQ out of all the states, with an average of 104.3.

Optical illusions are more than just visual tricks, they are a workout for your brain. These mind-bending puzzles are not ...

YOU could have a high IQ if you can spot the hidden frog in under nine seconds. Players could even have 20/20 vision if they ...

PUT your vision and patience to the test with this mind-boggling brain teaser that could reveal how clever you are. Only ...

A new car-themed brainteaser can only be solved by people with the highest IQ according to experts - but there’s a hack for ...

High school IQ predicts midlife drinking habits: smarter teens are more likely to drink moderately or heavily as adults but ...

A social media user has set a tricky brainteaser to test whether people have a high IQ or not - but it has left people ...

Elon Musk's government efficiency panel wants "high IQ" employees and plans weekly livestreams, according to X posts about ...