pointer-2

Pointers Output

Send Feedback

What will happen in this code?

int a = 100, b = 200;
int *p = &a, *q = &b; 

p = q;

Options

This problem may have one or more correct answers

b is assigned to a

p now points to b 

a is assigned to b

q now points to a

What will be the output ?

Send Feedback

int a = 7;
int b = 17;
int *c = &b;
*c = 7; 

cout << a << " “ << b << endl;

Options

This problem may have one or more correct answers

7 17

17 7

7 7 

17 17

What will be the output ?

Send Feedback

 int a = 50;
 int *ptr = &a;
 int *q = ptr;
 (*q)++; 

cout << a << endl;

Options

This problem may have one or more correct answers

50

51 

Error

None of these

What will be the output ?

Send Feedback

 int a = 50;
 int *ptr = &a;
 cout << (*ptr)++ << “ “; 

cout << a << endl;

Options

This problem may have one or more correct answers

50 51 

51 50

51 51

50 50

What will be the output ?

Send Feedback

int *ptr = 0;
int a = 10;
*ptr = a; 

cout << *ptr << endl;

This problem may have one or more correct answers

10

0

Error 

Pointers Output

Send Feedback

What will be the output ?

int a = 7; int b = 17; int *c = &b; *c = 7; cout << a << " “ << b << endl;

Options

This problem may have one or more correct answers

18 18

7 18

17 7

7 7 

Pointers Output

Send Feedback

What will be the output ?

float f = 10.5;
float p = 2.5;
float* ptr = &f;
(*ptr)++;
*ptr = p;
cout << *ptr << “ “ << f << “ “ << p;

Options
This problem may have one or more correct answers
2.5 10.5 2.5
2.5 11.5 2.5
2.5 2.5 2.5
11.5 11.5 2.5



What is the output
Send Feedback
int a = 7;
int *c = &a;
c = c + 1;
cout  << a << "  " << *c << endl;

Options
This problem has only one correct answer
Garbage_value 77 Garbage_value.   ans8 87 7