People have been scratching their heads trying to figure out this latest brain teaser.
Optical illusions and brain teasers are known to work wonders for our cognitive function by improving the brain's ability to perceive and interpret visual information, and while you might struggle with them at first, the more you practise, the better and quicker you'll be.
So, if you're looking for something to test your IQ, why not try your hand at this new challenge? All you have to do is find the number hidden among the rows and rows of Bs.
