Asked by tariq
                How many ways can 12 horses in a race come in 1st, 2nd, and 3rd place
            
            
        Answers
                    Answered by
            Reiny
            
    and what is
12x11x10 ?
Do you know why I did that calculation?
    
12x11x10 ?
Do you know why I did that calculation?
                    Answered by
            Eric
            
    Mr. Reiny's doing permutations. A permutation is when order matters. In this case, you can't have any ties: you can only have one person for first place, one person for second place, and similarly one person for third place. Therefore, there are 12 horses competing for first place, 11 competing for second place (since one has already won first place), and 10 competing for third place (since two out of the 12 have won first and second places). Multiply the three to get the number of ways.
    
                    Answered by
            Kolo Tore
            
    This is a permutation. So you would  do 12!/[(12-3)!]
    
                    Answered by
            Kolo Tore
            
    1320
    
                    Answered by
            Anonymous
            
    How many ways can 3 children come 1st, 2nd and 3rd
    
                    Answered by
            Anonymous
            
    7877
    
                    Answered by
            anonymous 
            
    1320 is the correct answer to 12 courses 1,2,and 3rd
    
                    Answered by
            Terry
            
    Stank
    
                    Answered by
            Harry
            
    Stank
    
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