The school athletics coach has to choose 4 students for the relay team. He calculates that there are 3876 ways of choosing the team if the order in which the runners are placed is not considered. How many ways are there of choosing the team if the order of the runners is to be taken into account? 

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sumitverma's picture
Sumit Verma @sumitverma 1 Dec 2016 03:57 pm

The  answer is 3876 × 4! = 3876 × 24 = 93024.