Add Yahoo as a preferred source to see more of our stories on Google. These quizzes seek to test your IQ by asking you various challenging questions about all kinds of subjects. Take each quiz to find ...

To check your cognitive skill and IQ level, there are many ways, but among these, brain teasers are the best and fun game to test your logical and thinking skills with your observation level. These ...

A Brain Teaser is a fun way to challenge your thinking and logical skills. In these brain teasers, maths riddles are also a type of brain teaser, which are in numerical form, equation-based. These ...

Guest post by Jason Major, a PhD candidate in Psychology at the University of Edinburgh. He is from Ottawa, Canada. About a month ago, Sanjay Srivastava, a psychologist at the University of Oregon, ...

Intelligence Quotient (IQ) tests have intrigued people for decades as a way to measure cognitive abilities. This article delves into the origins, evolution, applications, and significance of IQ tests, ...

If you enjoy testing your logical reasoning and sharpening your analytical skills, this matchstick puzzle is the perfect ...