Here’s a simple number game to play on a rainy day, or while sheltering in place. You and I take turns crossing out numbers from the list {1, 2, 3, …, 9}. The winner is the last person to cross out a ...
Brain teasers and visual puzzles have become a favourite pastime on social media platforms like X (formerly Twitter), Instagram, and Facebook. But beyond entertainment, these little challenges help ...
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