Which code, inserted at line 10, generate the output "50"?

#include

using namespace std;

class Base {

int age;

public:

Base () {

age=5;

};

//insert code here

void Print() { cout << age;}

};

void setAge(Base &ob) {ob.age = 0;}

int main () {

Base a;

a.Print();

setAge(a);

a.Print();

return 0;

}

What happens when you attempt to compile and run the following code?

#include

using namespace std;

#define DEF_A 0

int main(int argc, char *argv[]) {

cout << DEF_A;

return 0;

}

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int op(int x, int y)

{

int i;

i = x + y;

return i;

}

int main()

{

int i=1, j=2, k, l;

k = op(i, j);

l = op(j, i);

cout<< k << "," << l;

return 0;

}