Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

Test your problem-solving skills with these 62 lateral thinking puzzles. They’ll challenge you to think out of the box to ...

Calculating Frosty’s weight with fragments of high school geometry. The post Math Puzzle for December 26, 2025 appeared first on Alameda Post.