11.
The operator > and < are meaningful when used with pointers, if

13.
Comment on the following?
const int *ptr;

14.
#include<stdio.h>
void main()
{
      int *ptr, a=10;
      ptr = &a;
      *ptr += 1;
      printf("%d, %d", *ptr, a);
}

15.
A function 'p' that accepts a pointer to a character as argument and returns a pointer to an array of integer can be declared as