Delegates and Events - General Questions

Which delegate type represents a method that returns void?

What does the event keyword add to a delegate field?

In Func<int, string>, the return type is:

What is an anonymous method?

What is the output of the following program?

Func<int, int> f = x => x + 1;
Func<int, int> g = x => x * 10;
Console.WriteLine(g(f(4)));