Here’s a fairly recent twist on an old type of logic puzzle. A logician vacationing in the South Pacific finds himself on an island inhabited by the two proverbial groups of liars and truth-tellers.

Jeff Smith's Math Puzzle for August 28, 2026 – Isaac Newton designs a pulley system for Trig students. The post Math Puzzle ...

There are eight doors in front of you labeled A through H. Behind one of the doors is a prize. A guard is aware of the prize’s location but will only answer yes or no questions. What is the minimum ...

A Brain teaser is a type of puzzle which requires thinking and logical skills. In these types of puzzles, even math riddles are a type of puzzle in which puzzles are in numerical form. These maths ...

In honor of April Fools’ Day, I offer the puzzling case of the Lesser Fool. In a fictional town, there lived an odd wanderer. People would present him with two amounts of money or goods and ask which ...

She’s right—using simultaneous equations does get really complicated, and if you’d like to send me your work for the solution, I’d love to see it. But the system is also kind of a trick. Like a sudoku ...

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means table top games quickly reappear on kitchen tables. Games provide opportunities for ...

Mathematics is a “science which requires a great amount of imagination”, said the 19th-century Russian maths professor Sofya Kovalevskaya – a pioneering figure for women’s equality in this subject. We ...