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 R of races we need to conduct to get the top 3 fastest horses?	Pick:  A) 5  B) 7  C) 8  D) 10  E) 11
R=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 R of races we need to conduct to get the top 3 fastest horses?