Three Children, Two Friends and One Mathematical Puzzle
This logic puzzle about three children and two friends is one of my favorites. It looks simple. Then you realize you're missing something. I've used it to teach logical reasoning…
Puzzles
Welcome to our Puzzles category! Here, you’ll find a delightful collection of brain-teasers, crosswords, and riddles that I’ve curated just for you. Whether you’re looking to challenge yourself or enjoy a fun activity with friends and family, there’s something for everyone. Join me on this exciting journey of problem-solving and creativity that will keep your mind sharp and your spirits high. Let’s dive in and have some fun!
How Genius You Are?
Think you're good at mental math? Try this quick test. Start with 1000, add 40, add another 1000, add 30, add 1000 again, then add 20. What's your answer? Most…
Two Interesting Math Problems
Two math problems that'll make you think. First: find the smallest autobiographical number where each digit tells you how many times a digit appears. Second: a classic puzzle involving a…
Fox-Rabbit Chase Problem [Solution & Math Proof]
Pursuit problems are some of the most elegant challenges in classical mechanics. A fox chases a rabbit, both moving at constant speed. What path does the fox follow? I present…
Bhaskara II’s Lilavati: Complete Reference Guide (Download PDF)
Lilavati is a 12th-century mathematics treatise that reads like poetry. Written by Bhaskara II, it wraps arithmetic, algebra, and geometry inside riddles about bees, snakes, and peacocks. I've created a…
Mystery of Missing Money – 1 Rupee by Shakuntala Devi
Shakuntala Devi's missing money puzzle is a classic in mathematical logic. Two women sell marbles at different rates. When they combine forces, the math doesn't add up. Where did the…
Solving Ramanujan’s Puzzling Problem
Ramanujan's nested radical problem looks impossible at first glance. Infinitely many nested square roots, each multiplied by increasing integers. How do you evaluate that? I walk through the solution step…