With the use of following function you can get first 3 elements of the array
public void TakeExample()
{
int[] numbers = { 4, 23, 4, 5, 7, 8, 9, 12, 23, 45 };
var Numbers = numbers.Take(3);
Console.WriteLine("First 3 numbers:");
foreach (var n in Numbers)
{
Console.WriteLine(n);
}
}