In how many ways can \(4\) students out of \(n\) students be selected to represent the school in a competition?

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In how many ways can \(4\) students out of \(n\) students be selected to represent the school in a competition?

1) If there were \(3\) more students, number of ways of selecting \(4\) students would be \(840\)

2) If there were \(3\) less students, number of ways of selecting \(4\) students would be \(360\)

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