If i have 25 horses in one race you can tack 5 horse only, if you want find top 3 horse from this 25 horses than how many race you need for find top 3 horse from it?
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Welcome to MSE. It will be more likely that you will get an answer if you show us that you made an effort. – José Carlos Santos Dec 13 '17 at 16:18
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Will each race give the same result? – P. Siehr Dec 13 '17 at 16:18
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Ya but at the end you find 3 top horse ? – user513264 Dec 13 '17 at 16:20
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Hints:
How many races of five runners do you need to find the fastest horse overall of $25$?
How many of the remaining $24$ horses could possibly be the second and third fastest overall?
Henry
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Actually i want top 3 horse from 25 so how many race i need to do for find 3 top horse but in one race only 5 horse can take part – user513264 Dec 13 '17 at 16:22
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I know what you want. Can you answer my hints before this question is closed as a duplicate, for example of https://math.stackexchange.com/questions/744473/horse-race-question-how-to-find-the-3-fastest-horses or https://math.stackexchange.com/questions/1361065/why-6-races-are-not-sufficient-in-the-25-horses-5-tracks-problem ? – Henry Dec 13 '17 at 16:25
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Ya not exactly but similarly question but it's question is totally different from that question – user513264 Dec 13 '17 at 16:32
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