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JEE MATHEMATICS MCQ: PERMUTATIONS

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If

n

objects are arranged in a row, then the number of ways of selecting three objects, so that no two of them are next to each other, is

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Correct option: B

{ }^{n-2} C_3

Option B (

{ }^{n-2} C_3

) is correct because it represents the number of ways to select three non-adjacent objects from n objects arranged in a row.

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