This is one of the difficult puzzles asked in interviews of companies such as Google and Microsoft.
You have 25 horses and you want to pick the fastest 3 horses out of them. So you decide to conduct a race.
But you have only 5 tracks. So in one race, only 5 horses can run at the same time.
An important thing to note is, you don't have any stop watch/timer with you.
PUZZLE:
What is the minimum number of races required to conduct, in order to find the fastest 3 horses?
The video has complete explanation of the answer.
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