Take on the Picture Puzzle IQ Test and see if your IQ is above 140 by finding the missing number in just 14 seconds! Only 2% ...

On the very top of our list of the smartest countries with the highest average IQ in the world in 2017 is Singapore! Its average IQ number was measured to be 108, same as in Hong Kong, while there are ...

"Smart" is a summary judgment of common knowledge and common sense. You might be the top dog in your school but average among others. You do not know until in the "ring of life." The term "smart" can ...

A brain teaser is a short, playful puzzle designed to challenge your mind and elicit a smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think ...

Hong Kong, even though it is not a separate country, but the special administrative region is found on our list of smartest countries with the highest average IQ in the world in 2017 as it was ranked ...