A classic riddle about a hotel bill uses misleading math to create a paradox. This type of intentional misdirection is a ...

This week, a puzzle based on a dice trick first published in 1937, and one with liquid containers that is centuries older. We have said it before, and we will say it again, for puzzles involving dice ...

For many Internet users, Google is an integral part of life. We use the Google search engine almost on a daily basis to satisfy our unquenchable hunger for knowledge. So, it’s about time we take a ...

Converting between kilometers and miles becomes effortless with these mental math tricks. Learn to quickly estimate distances for everyday scenarios, from understanding international content to ...

Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Math Tricks for Simpler Solutions!! Whistleblower Alleges Major Scheme Targeting Migrants Who Else Remembers The Grandma Candy That 'Tastes As Bad As The Name Sounds'? You have two coins that equal 30 ...

Want to learn an incredible mentalism trick using just a few dice? 🎲🤯 This mind-blowing trick is super easy to perform but will leave everyone amazed! No complex moves—just smart psychology and a ...

A number is divisible by 9 if the sum of its digits is greater than or equal to 9. 621 (6+2+1=9), for instance, is divisible by 9. Simply move the decimal point one place to the left to find the 10% ...