Which of the following is the scope resolution operator?

What will be the output of the following C++ code?

Which function can retrieve the absolute integer value?

To which of these data types can enumerators be assigned?

Which type of C++ cast can be used only with pointers and references to objects?

Output justification such as decimal point, numerical sign, trailing zeros or octal are specified by the _______ field.

Pointers can be used to dynamically allocate storage from the _____ at _____.

What is the output of the following code?

int swap(int *num1, int *num2)

{

  *num1=*num1+*num2;

  *num2=*num1-*num2;

  *num1=*num1-*num2;

}

int main()

{

  int f_num=10,s_num=20;

  swap(&f_num, &s_num);

  printf("%d%d",f_num,s_num);

}

What will be the output of the following C++ code?

#include <iostream>

using namespace std;

int main()

{

// declaring Boolean

// variable with true value

bool a = true;

for (a = 1; a <= 5; a++)

cout << a;

return 0;

}

#include <iostream>
using namespace std;

class Rectangle {
   int width, height;
 public:
   void set_values (int,int);
   int area() {return width*height;}
};

void Rectangle::set_values (int x, int y) {
 width = x;
 height = y;
}

int main () {
 Rectangle rect;
 rect.set_values (3,4);
 cout << rect.area();
 return 0;
}