Please help with these C# questios

I will thumbs up in rating !!!

1) Given the following array is defined:

string[] colors = { "green", "brown", "blue", "red", "purple" };

What's the output from the following in C#?

var query = from c in colors where c.Length == 4 select c;

foreach (var element in query) Console.WriteLine (element);

A) purple B) red C) blue D) green, brown E) green, brown, blue, red, purple F) purple, red, blue, brown, green

2) What is a Nullable type in C#?

A) It allows assignment of null to reference type. B) It allows assignment of null to value type. C) It allows assignment of null to static class. D) None of the above.

3) What will be the output of the following code?

{ try { int []a = {1, 2, 3, 4, 5}; for (int i = 0; i < 5; ++i) Console.WriteLine(a[i]); int x = (1 / Convert.ToInt32(0)); } catch(IndexOutOfRangeException e) { Console.WriteLine("A"); } catch(ArithmeticException e) { Console.WriteLine("B"); } Console.ReadLine(); }

A) 1234 B) 12345 C) 12345B D) no output

4) What will be the output of the following code?

{ int sum = 10; try { int i; for (i = -1; i < 3; ++i) sum = (sum / i); } catch (ArithmeticException e) { Console.WriteLine("0"); } Console.WriteLine(sum); Console.ReadLine(); }

A)0 B)0 5 C)0 -10 D) -1 0 1 2