How is Math.Pow() implemented in the .NET Framework?

What is the best way to copy the contents of one stream to another in .NET 4?

Select the result of the given code snippet: class Program { static void Main(string[] args) { int[] nums = { 16, 9, 25}; var posNums = from n in nums where n > 0 select Math.Sqrt(n); Console.Write('The positive values in nums: '); foreach (int i in posNums) Console.Write(i + ' '); Console.WriteLine(); Console.ReadLine(); } }

What will be the output of given code snippet? class Program { static void Main(string[] args) { int[] nums = { 1, -2, 3, 0, -4, 5}; var posNums = from n in nums where n >= 0 select n; foreach (int i in posNums) Console.Write(i + ' '); Console.WriteLine(); Console.ReadLine(); } }

What would be the output of following code snippet? { try { int a, b; b = 0; a = 10 / b; Console.WriteLine('A'); } catch(ArithmeticException e) { Console.WriteLine('B'); } Console.ReadLine(); }

What is the following code correct output for the C# code snippet shown below? String s1 = 'UpWork Skills Test'; String s2; s2 = s1.Substring(12, 3); Console.WriteLine(s2);

What does the attribute [Conditional('DEBUG')] on a method indicate?

What will be the result of running the following code : void Main() { Perform(Inp); } public string Inp(string s1, string s2) { return s1 + s2; } public void Perform(Func inp) { Console.WriteLine(inp('Hello', ',World')); }

In C#, 'explicit' keyword is used to:

What is the purpose of [Flags] attribute?

Which of the following is NOT reference type?