16. The correct statement for a function that takes pointer to a float, a pointer to a pointer to a char and returns a pointer to a pointer to a integer is

1. 1. int ***fun(*float, **char)

   
   
   

   2. int ***fun(float*, char**)

   
   
   

   3. int **fun(float**, char**)

   
   
   

   4. int *fun(float*, char*)

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   int ***fun(float*, char**)

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17. What is the output of this program?
    

    #include 
        using namespace std;
        int main()
        {
            int p = 3, q = 5, r = 13;
            int *array[ ] = {&p, &q, &r};
            cout << array[1];
            return 0;
        }
    

    
    

1. 1. 5

   
   
   

   2. 3

   
   
   

   3. 13

   
   
   

   4. Compilation Error

   
   
   

   5. Random number

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   Array element cannot be address of auto variable. It can be address of static or extern variables.

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18. What will happen in this code?
    

    int n = 50, m = 50;
    int *ptr = &n, *ptr0 = &m;
    ptr = ptr0;
    

    
    

1. 1. ptr now points to m

   
   
   

   2. m is assigned to n

   
   
   

   3. ptr0 now points to n

   
   
   

   4. n is assigned to m

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Assigning to reference changes the object to which the reference is bound.

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19. Which of the following is illegal?

1. 1. int *pi = 0;

   
   
   

   2. int i; double* dp = &i;

   
   
   

   3. int *ip;

   
   
   

   4. string s, *sp = 0;

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   dp is initialized int value of i.

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20. Which one of the following is not a possible state for a pointer.

1. 1. point to a tye

   
   
   

   2. zero

   
   
   

   3. point one past the end of an object

   
   
   

   4. hold the address of the specific object

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   A pointer can be in only 3 states a,b and c.

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