using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        IList<Student> studentList = new List<Student>{

        new Student(){StudentID=1, StudentName ="John", Age =13},

        new Student(){StudentID=2, StudentName ="Moin", Age =21},

        new Student(){StudentID=3, StudentName ="Bill", Age =18},

        new Student(){StudentID=4, StudentName ="Ram", Age =20},

        new Student(){StudentID=5, StudentName ="Rom", Age =15},

        };

        var teenAgerStudent = studentList.Where(s=> s.Age > 15 && s.Age <20).ToList<Student>();

        foreach(var str in teenAgerStudent){

        Console.WriteLine(str.StudentName);

        }

    }

}

public class Student{

    public int StudentID{get;set;}

    public string StudentName{get;set;}

    public int Age{get;set;}

}

​

​

​