Strings - General Questions

What is the output of the following program?

Console.WriteLine($"{3 * 4:D3}");

What is the output of the following program?

Console.WriteLine("Data".StartsWith("Da") && "Data".EndsWith("ta"));

What is the output of the following program?

Console.WriteLine("a,b,c".Split(',').Length);

What is the output of the following program?

Console.WriteLine("banana".IndexOf('n'));

What is the output of the following program?

Console.WriteLine("abc".CompareTo("abd") < 0);