A Math Puzzle for the Inquisitive Mind: The Cow
By Sarah Jenkins • February 27, 2026 • Share An excellent brain teaser, this cow-themed arithmetic riddle has been circulating online. We should get in and figure it out together. Picture this: you spend $800 on a cow and make $1,000 when you sell it. After some time has passed, you reinvest $1,100 in the … Read more