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C
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Difficulty:
85%
(hard)
Question Stats:
47% (02:15) correct
53%
(02:14)
wrong
based on 30
sessions
History
Date
Time
Result
Not Attempted Yet
10 soldiers are standing in a single row. 3 soldiers are to be selected for a mission such that there are at least 2 soldiers between any 2 of the soldiers selected. In how many ways can this be done?
A. 10C3
B. 7C3
C. 6C3
D. 8C3
E. 10C5
A. 10C3
B. 7C3
C. 6C3
D. 8C3
E. 10C5
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30 Nov 2014, 02:26
Kudos
Bookmarks
please refer to the following image for the solution.
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soldiers.jpg [ 74.63 KiB | Viewed 2657 times ]
23 Oct 2019, 21:15
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Automated notice from GMAT Club BumpBot:
A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.
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A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.
This post was generated automatically.
