I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person). Still, I like to think I have a solid grip on basic math: I can usually gauge whether a ...

Using only the numbers 1, 2, 3, 4, 5 and 6 and the mathematical operations addition, subtraction, multiplication and division, can you arrive at the value 456? You ...

Rose and Ivy are logic-savvy landscapers tasked with creating a rectangular garden. Their client has told Rose the desired width and Ivy the desired length (both positive integers). One day their ...

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost intelligence and improve ...