C# Select random element from List

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Are you sure that you want to remove a question and return the rest of the questions?
Should you not only select one? Somthing like this : 

public static void main()
{
    var random = new Random();
    var questions = new List<string>{
        "question1",
        "question2",
        "question3"};
    int index = random.Next(questions.Count);
    Console.WriteLine(questions[index]);
}

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