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 ...

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 ...

An optical illusion brain teaser tricks the brain into perceiving something different from reality by exploiting how our visual system processes information. These illusions manipulate light, colour, ...