int[] values = { 1, 3, 5, 2, 1, 6 };
int[] results = values.Where(x => x != 1).ToArray();
foreach (int result in results)
Console.WriteLine(result);
Console.ReadKey();
Listarr = new List () { 1, 9, 8, 7, 5, 4, 7, 1 };
var newArr = from i in arr where i != 1 select i;
var res = newArr.ToArray();