Dr. Emma Chen, a renowned mathematician, has set the international math community abuzz with her latest numerical sequence puzzle. This challenging brain teaser has stumped even the most brilliant ...

Put your number skills to the test and see if you can fill in the missing block. This staircase is very nearly complete, but one block is without a number. Can you figure out which is the correct ...

A pattern or a sequence is a set of numbers that are connected in some way. All sequences have a rule. For example, sometimes the numbers might count on by 5 each time, other times they might be ...

Our community members are treated to special offers, promotions and adverts from us and our partners. You can check out at any time. More info Challenging your mind is really important - some would ...

Five years ago on this day, a seemingly straightforward puzzle took the world by storm. A picture circulating online challenged people to determine the missing number from what looked like a simple ...