Google Interview 25 Horses 5 track

Google Interview 25 Horses 5 track

There are 25 horses among which you need to find out the fastest 3 horses. You can conduct race among at most 5 to find out their relative speed (there is a track with 5 rows). At no point you can find out the actual speed of the horse in a race. Find out the minimum no. of races which are required to get the top 3 horses.

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Probability and discrete mathematics:

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Probability interview questions:

https://www.youtube.com/watch?v=qphhG_1rWf8&list=PLg9w7tItBlZtI1eM6znSYfyDEaqQtUx5b

Probability theory:

https://www.youtube.com/watch?v=8s-nyRLBsDo&list=PLg9w7tItBlZsvciKHBx8lXXnCtQ7Ou4cV