What is the minimum number of races required to find top 5 horses from 25?

We now have 5 horses left! This means we can just have a clean race and find the second and third fastest horse. So overall, the answer is 7 races!

How many races does the fastest horse have?

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 is the missing number answer is not 6?

Therefore, the ‘What goes in the empty square its not 6’ puzzle answer is R, which is the ‘reverse’ sign.

What does an empty box mean in math?

In fact we can interpret this box algebra for logic as follows: (a) A box stands for the value TRUE. An empty space or a doubled box stands for the value FALSE.

How to rank 25 horses, 5 race tracks?

Using the logic posted we can get the answer in 6 races, 5 races for finding A1,B1,C1,D1,E1 and 1 race to find the ranking. Assuming 1 track for 1 horse then it need 5 races to select top 5 horses. Each race for 5 horses and count the time for each race.

How many horses are there in 25 horses?

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. After a race is over, you get a printout with the order the horses finished, but not the finishing times of the horses.

Which is the fastest horse in 25 races?

Hence, 3 fastest horse in 25 horses will be- B1, B3, and C5 and minimum races require to get 3 fastest horse is 7 races. That’s all for 25 Horses 5 Tracks Puzzle, If you liked it, please share your thoughts in a comments section and share it with others too. For more interesting puzzles visit Interview Puzzles.

How many horses can you put in a race?

– A maximum of 5 horses per race. First we need 5 races (A to E) to get relative scores for all 25 horses. Let’s take a worst scenario: the list was already ordered (A1 fastest and E5 slowest), so race A contained the top 5.

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