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 ...

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 ...

A company's income statement shows how much money it brought in as revenue or sales, how much it spent on expenses, and how much profit or loss -- also called net income -- was generated for a given ...