On a race track a maximum of 5 horses can race together at a time. There are a total of 25 horses. There is no way of timing the races. What is the minimum number W of races we need to conduct to get the top 3 fastest horses? Choose the correct choice from the following choices:
A) 5
B) 7
C) 8
D) 10
E) 11
W=7 is the correct answer.   Good solution 7uneul.7
<result>B</result>
On a race track a maximum of 5 horses can race together at a time. There are a total of 25 horses. There is no way of timing the races. What is the minimum number W of races we need to conduct to get the top 3 fastest horses?