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At a competition with 7 runners, 2 medals are awarded for first and second place. Each medal is different. How many ways are there to award the medals?

A. 5040
B. 21
C. 49
D. 42

Answer :

Final answer:

There are 42 ways to award the medals among 7 runners.


Explanation:

There are two medals to be awarded among 7 runners. For the first medal, any of the 7 runners can be chosen. After awarding the first medal, there are 6 runners left to choose from for the second medal. Therefore, the number of ways to award the medals is 7 * 6 = 42.


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