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Permutations Practice Test 2
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© examsnet.com
Question : 11
Total: 30
In how many ways can top 5 students settled for the 1st, 2nd and 3rd position?
360 ways
120 ways
5,040 ways
720 ways
All of the above
Validate
Solution:
Here it is clear that all the three of the positions can be occupied by only one person, without repetition.
So, the required number of ways
=
10
P
3
=
10
×
9
×
8
×
7
!
7
!
= 720 ways.
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