c++ multiple choice

9. Operators can be overloaded as ..... All of these When an object of the classes pass by value to a function When an object of the when a function class is initialized by returns an object of another object of the the class class 10. Operators can be overloaded as All of these Members of a class Non-friends, non- Friends of a class members of a class 11. Who can access private data in a class? Friends of the class Everyone and everyone Members of the class No one Friends of the class 12. The destructor for a class is called? Only at the end of main When the class is instantiated When the object of the Explicitly from the class goes out of scope main program