Scope of variable is related to definition of variable as:
i. Region of code within which variable value is valid and hence can be accessed.
ii. No, relation with region where variable is declared its value is valid in entire scope.

A. int B. string C. double D. character

A. ; B. : C. . D. ,

A. num = int; B. var num; C. num int; D. int num;

A. Declares a constant B. Converts a variable to string C. Implicitly declares a variable D. Defines a method