LINQ (Language-Integrated Query) in C Sharp MCQ question and answer with solution | C# Program MCQs

class Program
{
    static void Main(string[] args)
    {
        int[] nums = {3, 1, 2, 5, 4};
        var ltAvg = from n in nums
                    let x = nums.Average()
                    where n < x
                    select n;
        Console.WriteLine("The average is " + nums.Average());
        Console.ReadLine();
    }
}

class Program
{
    static void Main(string[] args)
    {
        string[] strs = {"alpha", "beta", "gamma"};
        var chrs = from str in strs
                   let chrArray = str.ToCharArray()
                   from ch in chrArray
                   orderby ch
                   select ch;
        Console.WriteLine("The individual characters in sorted order:");
        foreach (char c in chrs) 
        Console.Write(c + " ");
        Console.WriteLine();
        Console.ReadLine();
    }
}