A classic riddle about a hotel bill uses misleading math to create a paradox. This type of intentional misdirection is a common technique used in magic tricks. Here’s a riddle my father told me when I ...

Create a series of equations to produce each number from 0 to 20, using just '4 Fours' in each equation, along with basic math symbols. Don't forget the standard order of operations, as you'll need to ...