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 ...

Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp ...

Picture Puzzle IQ Test Your IQ Is Higher Than 130 if You Spot The Number of Triangles Take a close look at the image below, where a large triangle has been divided into three equal sections.

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 ...

A Brain teaser is a type of puzzle which requires thinking and logical skills. In these types of puzzles, even math riddles ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. In today’s column, I examine a social media trend that is ...