Brain teasers are not only fun to solve; they are also an effective way to challenge and develop IQ, logical reasoning, ...

Optical illusions are fascinating in challenging your brain and testing your IQ. These visual puzzles are more than just ...

This brain teaser tests your logical reasoning and ability to spot errors under time pressure. Can you spot who is making a ...

An IQ test can assess a person's cognitive abilities by solving various problems, including identifying an error in an image ...

Test your IQ with this mind-boggling optical illusion puzzle! Can you spot the hidden second eagle in just 5 seconds? Prove ...

Do you have a knack for numbers? This test is designed to test your logic and mathematical IQ. It will assess your ability to logically discern numerical patterns and to apply them to new contexts ...

The Army General Classification Test (AGCT) is a high-accuracy IQ test originally developed by the US Army for job assignment purposes. Now in the public domain, this self-hostable, automated version ...

Before an athlete can become an NFL star he has to train relentlessly, become a college standout, and then take a 50-question intelligence test in 12 minutes! Think you're smarter than an NFL player?

Discover how nutrition impacts mental health and cognitive abilities. Explore the Mediterranean diet, sugar's effects, and processed food risks on your brain.

In employment settings, IQ tests are sometimes used to assess candidates’ problem-solving skills, abstract thinking, and adaptability, especially for roles requiring high cognitive abilities. Many ...

But for test prep startup Study IQ, profitability and user acquisition are not incompatible. The bootstrapped company claims to be profitable from day one with the majority of its users joining ...