How much do you really remember from the math classes several years ago? Therefore, the math puzzle below has been popping around the internet a lot lately – precisely because not many people can solve it. Here is the challenge. Now look...

Find The Different One Put a blue dot under the one that is different. Scroll down for the answer. You only have 15 seconds, for a more interesting challenge, this adds fun and lets you develop your competitive instinct. To find small details,...