“By golly, you’re right!” exclaimed Professor White. If the woman’s hair isn’t brown, what color is it? Show puzzle solution The assumption that the woman is Jean Brown, the ...

Circle the wagons, square the roots, and triangulate our position. The post Math Puzzle for May 30, 2025 appeared first on ...

Of the many wonderful chessboard math problems, this one is my favorite because of its surprising solution. Who would expect the coloring of the squares to be the key to unlocking the puzzle? But ...

What color is the bear? The time-honored answer ... a mile north and find yourself back at the original location? Show puzzle solution Is there any other point on the globe, besides the North ...

Welcome to The Riddler. Every week, I offer up a problem related to the things we hold dear around here: math, logic and probability. These problems, puzzles and riddles come from many top-notch ...