Which of the following statements are correct about an enum used inC#.NET? 1 To use the keyword enum, we should either use or System.Enum. 2 enum is a keyword. 3 Enum is class declared in System.Type namespace. 4 Enum is a class declare

Which of the following statements are correct about an enum used inC#.NET?

1 To use the keyword enum, we should either use [enum] or System.Enum.

2 enum is a keyword.

3 Enum is class declared in System.Type namespace.

4 Enum is a class declared in the current project's root namespace.

5 Enum is a class declared in System namespace.