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Question

Ten students are participating a race. In how many ways can the first 3 prizes be won?



Your Answer
A
920
Your Answer
B
680
Your Answer
C
820
Correct Answer
D
720
Your Answer
E
None of these

Solution

The correct option is D 720
Out of 10 students, the first three prizes can be won in 10P3=10!(103)!=10!7!=10×9×8=720 ways.

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