Receive an integer variable named num from the main () program

Receive any integer variable from the main() program

Either (a) or (b)

None of these

Overloaded

Template Function

Variable function

Virtual function

Receive an integer constant such as 12

Receive an integer variable

Either (a) or (b)

None of these

Has no arguments

Returns nothing

Both (a) and (b)

None of these

When too many printf calls have been already used in the program

In place of printf, since printf uses more memory

When output i to be printed on to a file

All of above