Here’s what you’ll learn when you read this story: Tech companies like Amazon are rumored to pose challenging math problems during interviews. A viral YouTube video explores a tricky math problem ...

Novelist Celeste Ng has shared a head-scratching system of equations that her 9-year-old son apparently made up over dinner: She’s right-using simultaneous equations does get really complicated, and ...

Imagine trying to teach a child how to solve a tricky math problem. You might start by showing them examples, guiding them step by step, and encouraging them to think critically about their approach.

IQ tests present the readers with problems in the form of picture puzzles or math problems, and the reader needs to find the solution within a time limit. These simple puzzle games make the brain ...