Google Interview: 25 Horses

View of Brooklyn Bridge (Manhattan side)

The 25 Horses Puzzle is a popular question that has been used by Google and other tech companies in interviews to evaluate a candidate’s ability to solve problems. It involves no code, but is a good test of logic and association. Here’s the question:

Let’s say that you have 25 horses, and you want to pick the fastest 3 horses out of those 25. In each race, only 5 horses can run at the same time because there are




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