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10 soldiers are standing in a single row. 3 soldiers are

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10 soldiers are standing in a single row. 3 soldiers are selected for a mission such that there are at least 2 soldiers between any 2 of the soldiers selected. How many ways can this be done?
A. 10C3
B. 7C3
C. 6C3
D. 8C3
E. 10C5

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