Part $1$: $MCQ$ s peints$]$

Any C program

a$)$ Must contain at least one function

b$)$ Need not contain any function

c$)$ Needs input data

d$)$ None of these

Choose the correct statement about functions in $C$

a$)$ A function is a group of $C$ statements that can be reused any number of times

b$)$ Every function has a return type.

c$)$ Every function may not return a value.

d$)$ All of the above

Which is not a correct function declaration?

a$)$ int funct$($char $x,$ char $y)$;

b$)$ double funct$(x$

c$)$ void funct $0$ ;

d$)$ char $x0$;

Which of the following is a valid function call $($assuming the function exists$)?$

a$)$ funct;

b$)$ funct $x,y$;

c$)$ funct$(0$;

d$)$ int funct$()$;

Which one is the correct statement?

a$)$ The body of a function should have only one return statement.

b$)$ Function can return only one value in call by value environment.

c$)$ Function can return multiple values.

d$)$ None of these

What will be the output of the following $C$ code?a$)$ Nothingb$)$ Compile time errorc$)$ hello world!d$)$ None of the above