What is the minimum number of races to find top 3 fastest horses among 25 horses?

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. The solution is 7.

What is the best way to find the 3 fastest horses?

Find first, second and third-fastest horse. So: if x is second fastest, then t and w could be third-fastest. if t is second fastest, then x and s could be third-fastest.

How do you solve the 25 horses puzzle?

To find the fastest, you need to run all 25 horses at least once, and since you can only race 5 horses at a time, you need a minimum of 25/5 = 5 races. Then you need to compare the winners of these races, which means a 6th race is necessary.

What’s the number of horses?

The Food and Agriculture Organization of the United Nations (FAOSTAT) estimates that the number of horses in the world is 58,832,221.

Can anyone answer There are 25 horses at Max 5 can race together find minimum races for the fastest 3?

How many horses are there?

The current estimate according to a recent study commissioned by the American Horse Council Foundation and conducted by the Barents Group is 9.2 million, this includes both recreational and commercial horses.

How do I find the fastest horse?

How many horses are left in the world 2021?

The current estimated on-range wild horse and burro population (as of March 1, 2021) is 86,189 animals.

Is the minimum number of races required to find top 3 horses from 25 if there are only 5 lanes?

Proof of minimality Why is it is minimum? To find the fastest, you need to run all 25 horses at least once, and since you can only race 5 horses at a time, you need a minimum of 25/5 = 5 races. Then you need to compare the winners of these races, which means a 6th race is necessary.

How many horses can run at the same time?

59. You have 25 horses, you want to pick the fastest 3 horses out of those 25. In each race, only 5 horses can run at the same time. What is the minimum number of races required to find the 3 fastest horses without using a stopwatch?

How many horses are there in the horse racing?

Originally Answered: There are 25 horses among which you need to find out the fastest 3 horses. You can conduct race among Max 5 horse. At no point you can find out the actual speed of the horse in a race.

How many horses do you need to find the fastest 3?

Answer to Puzzle #59: 25 Horses, Find the Fastest 3 59. You have 25 horses, you want to pick the fastest 3 horses out of those 25. In each race, only 5 horses can run at the same time. What is the minimum number of races required to find the 3 fastest horses without using a stopwatch?

How many mechanical horses can you race at a time?

As this question is a bit vague, here is a more precise version you can solve. There are 25 mechanical horses and a single racetrack. Each horse completes the track in a pre-programmed time, and the horses all have different finishing times, unknown to you. You can race 5 horses at a time.