Lamda Expression usage in LinQ

int[] marks = { 10, 20, 30, 40, 50, 60, 70, 80, 90, 95, 100 };


int firstClassCount = marks.Where(n => n > 60).Count();

int[] distMarks = marks.Where(n => n > 80).ToArray();

Response.Write("Total first classes : "+firstClassCount.ToString() + "</br>");

foreach (int mark in distMarks)

{

Response.Write("Above Distinction : " + mark.ToString() + "</br>");

}