using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main(System.String[] args)

    {

        var myList = new List<int>(){ 24, 25, 26, 27 };

        Console.WriteLine(String.Join(" ", myList));

​

        var temp = myList.Where(item => item >= 25 && item <= 26).ToList();

        foreach (var item in temp)

            myList.Remove(item);

​

        Console.WriteLine(String.Join(" ", myList));

    }

}