C++

Encicle the appropriate answer among the choices given below each question is a valid function 1. Suppose that printHeading is a function without any parameters. Which of the following heading? a) void printHeading(); e) void printHeading (noParameters) b) void printHeading) d) void printHeading (nothing) 2. Functions that do not have a retun type are call a) zero functions b)void c) nul d) empty 3. Where the "return statement" does return the execution of the program? a) main function b) caller function c) same function d) none of the mentioned 4. Arguments of a functions are separated with a) comma b) semicolon c) colon d) None of these What is the output of this program? #include 2 using nanespace std 3. void fun(int x, n: y) x20; y10 7. 8. 9. 10. int main() int x10 fun(x, x): cout