Tanya Khovanova's Math Blog (opens in new tab)

I am so happy that I met Ivo David and Yogev Shpilman. Together, wrote the book Mathematical Puzzles and Curiosities, and had so much fun on the way. I have already mentioned one of the puzzles from the book on my blog—Two Points on a Cube. Here is another one. Puzzle. Consider the sequence: O, […]