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can anyone provide the answer for the puzzle below

There are 25 horses,in each race only 5 horses can
participate.how many races are required to select best 5
horses out of 25.

Answers were Sorted based on User's Feedback

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

GROUP THEM INTO 5 AND RACE,PICK THE 5 WINNERS AND RACE THEM
YOU GET THE FASTEST NOW 6 RACES.
YOU HAVE 24 HORSES LEFT 4 TO CHOOSE GROUP THEM IN 5, IN A
GROUP U WILL HAVE 4 PUT THE FASTEST HORSR AND RACE AND PICK
THE 2 FASTEST OF ITS GROUP AND WINNERS OF THE REST AND RACE
THE 5 HORSES.
SO FOR EACH HORSE U NEED 6 RACES 5 HORSES 30 RACES
ANS 30

 Is This Answer Correct ? 0 Yes 1 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

 Is This Answer Correct ? 1 Yes 2 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

Initially 5 horses will participate out of 25. therefore
there are remaining 20 horses for the race.
Now from those five, the best 1 is selected.

now excluding the best one, pick one horse from the
remaining 20, and compete with the 4 failed horses.

go on repeating the same thing until all the horses have
competed with each other. Thus, in the end you get 15 best
horses. (this means 15 more races have taken place)

Now again 5 horses will participate from those 15 best
horses. the same procedure is repeated, until you get 10
best horses.(20+15+'10' races took place)

now, those 10 best horses will compete with each other to
get 5 horses. (ie 20+15+10+5 races have taken place)

Meanwhile every horse competes with every other horse...
Races taken place are (20+15+10+5)= 50 races

 Is This Answer Correct ? 1 Yes 2 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

dosto bas yehi hai thik answer...ese yahan pe samjhane se
aapko samajh nahi aayega..kafi kuch ulta seedha karna padta
hai...but its true that ans is 7.

 Is This Answer Correct ? 2 Yes 3 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

All the above answers are wrong.

Race 25 horses in groups of 5, if the top 5 horses were in
group 1, then all information about the 4th and 5th horses
is lost if you consider only the first three rankers of each
group. Dileep, the question is to identify the top 5, not
the top 3, dont go by Jason Mitchell, these interviewers

 Is This Answer Correct ? 0 Yes 1 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

let the horses be raced as -

race 1 - 1-5
race 2 - 6-10
race 3 - 11-15
race 4 - 16-20
race 5 - 21-25

in race 6, the winners of the 5 racs run, so we get to know
the fastest

the 2nd placed horse from the original race of the winner
can be the 2nd fastest or the 2nd placed horse from race 6
can be the 2nd fastest, so these 2 run in race 7. also for
the 3rd fastest, besides these 2 above horses, the 3rd
placed horse from the original race of the winner can be
the 3rd fastest, the 3rd placed horse from race 6 can be
the 3rd fastest or the 2nd placed horse from the original
race of 2nd finisher in race 6 can be the 3rd fastest. this
gets us the 5 horses which will run in race 7 and we will
get to know the 2nd & 3rd fastest horses

there will be 4 more horses which we will check for being
the 4th fastest, which run the race 8 and 5 more horses
which we check for being the 5th fastest, which run the
race 9 and after race 9, we get the top 5 fastest horses

 Is This Answer Correct ? 2 Yes 3 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

41 races
divide races into 21 and 20
1.in the first 21 races eliminate the last one and add new one form the remaining u wil get the best 4 horses
2.now remove the first place horse and add a new horse form the remaining and repeat the 1 step to get the best 4 horses
3.now add the first place horse in best of 4 horses
NOW U HAVE 5 BEST HORSES TO RACE

 Is This Answer Correct ? 1 Yes 2 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

5!days needed to select 5 horses form 25horses(each five
combination)
consider a(a1,a2,a3,a4,a5), b(b1,b2,...b5) c
d e are the hourses

'a' alone participate in 5 group of
combination with different combination of 5 hourses(eiter if
it a victor are as a defeat);
In 20 much of horses run in the single
group(because 25 horses are there i am say only 20 horses
remaining 5 hourses are not to repeat).
similarly b,c,d,e horses totaly 120 races

 Is This Answer Correct ? 1 Yes 2 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

as per the question we have to divide 25 horses in to 5
group and select one best horse from each group ..so i
think only 5 races will be enough to select 5 best horses
out of 25

 Is This Answer Correct ? 0 Yes 1 No

can anyone provide the answer for the puzzle below There are 25 horses,in each race only 5 horses..

It is 7. You race all the horses in batches of five. Now
you take all the first place houses and race them in a '6th
race'. Now this will tell us the fastest horses and we also
know that the horses that finished 4th and 5th in
this 'sixth race' cannot be in the top 3. So we have a 7th
race which we race 2nd and 3rd from the '6th race', but we
also have to add in the 2nd and 3rd places horses from the
overall winners original group and then we add 2nd place
horse from the original group of the 2nd place horse in the
6th race.

 Is This Answer Correct ? 3 Yes 5 No

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