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References - C++ Programming Questions and Answers

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References - Programs

  1. Which of the following statement is correct about the program given below?

      #include
  int main() 
  {   
      int x = 80;   
      int y& = x;     
      x++;     
      cout " " return 0;
  }

    2. A.

    The program will print the output 80 80.
    B.

    The program will print the output 81 80.
    C.

    The program will print the output 81 81.
    D.

    It will result in a compile time error.

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  2. Which of the following statement is correct about the program given below?

     #include 
  int main() 
  {  
        int x = 80;   
        int &y = x; 
        x++;  
        cout    
        return 0;
  }

    3. A.

    The program will print the output 80 80.
    B.

    The program will print the output 81 80.
    C.

    The program will print the output 81 81.
    D.

    It will result in a compile time error.

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  3. Which of the following statement is correct about the program given below?

     #include 
 int main() 
 {   
      int x = 10;  
      int &y = x;    
      x++;   
      cout" "
      return 0; 
 }

    4. A.

    The program will print the output 11 12.
    B.

    The program will print the output 12 11.
    C.

    The program will print the output 12 13.
    D.

    It will result in a compile time error.

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  4. Which of the following statement is correct about the program given below?

     #include
  int main()
  {   
      int x = 10;   
      int &y = x;    
      x = 25;    
      y = 50;
      cout" "
      return 0; 
 }

     

    5. A.

    The program will print the output 25 49.
    B.

    It will result in a compile time error.
    C.

    The program will print the output 50 50.
    D.

    The program will print the output 49 49.

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  5. Which of the following statement is correct about the program given below?

    #include 
 enum bix 
 {   
    a=1, b, c 
 }; 
 int main() 
 {    
      int x = c;    
      int &y = x;    
      int &z = x;     
      y = b; 
      cout
      return 0;
  }

    6. A.

    It will result in a compile time error.
    B.

    The program will print the output 1.
    C.

    The program will print the output 2.
    D.

    The program will print the output 3.

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  6. Which of the following statement is correct about the program given below?

    #include 
 int main() 
 {    
     int x = 10, y = 20;  
     int *ptr = &x;    
     int &ref = y;      
    
     *ptr++;    
      ref++;        

    cout" " return 0; 
 }

    7. A.

    The program will print the output 10 20.
    B.

    The program will print the output 10 21.
    C.

    The program will print the output 11 20.
    D.

    The program will print the output 11 21.
    E.

    It will result in a compile time error.

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  7. Which of the following statement is correct about the program given below?

      #include
  int main() 
  {  
       int x = 0;  
       int &y = x; y = 5;   
       while(x 5)    
       {         
           cout" ";        
           x++;    
       }
       coutreturn 0; 
  }

    8. A.

    The program will print the output 5 6 7 8 9 10.
    B.

    The program will print the output 5 6 7 8 9 10 7.
    C.

    The program will print the output 5 7.
    D.

    It will result in a compile time error.

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  8. Which of the following statement is correct about the program given below?

    #include 
 int main() 
 {    
     int m = 2, n = 6;  
     int &x = m;     
     int &y = n;    
     m = x++;      
     x = m++;  
     n = y++;  
     y = n++;  
     cout" " return 0; 
 }

    9. A.

    The program will print output 2 6.
    B.

    The program will print output 3 7.
    C.

    The program will print output 4 8.
    D.

    The program will print output 5 9.
    E.

    The program will print output 6 10.

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  9. Which of the following statement is correct about the program given below?

    #include 
 int main() 
 {   
    int m = 2, n = 6;   
    int &x = m++;    
    int &y = n++;    
    m = x++;    
    x = m++;    
    n = y++;     
    y = n++; 
    cout" " return 0;  
}

    10. A.

    The program will print output 3 7.
    B.

    The program will print output 4 8.
    C.

    The program will print output 5 9.
    D.

    The program will print output 6 10.
    E.

    It will result in a compile time error.

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  10. What will be the output of the following program?

      #include
  class GateTest
  {    
      public:   
      GateTest(int &x, int &y) 
      {        
            x++;    
            y++;    
  }  
};
 int main()
 {     
      int a = 10, b = 20; 
      GateTest objBT(a, b);    
      cout" "
      return 0; 
  }

    11. A.

    10 20
    B.

    11 21
    C.

    Garbage Garbage
    D.

    It will result in a compile time error.

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