Constants in C can be divided into categories ?

Which statment is true about the given code ?

#include 
enum colors {lets,find,course};
int main()
{
  printf("%d %d %d",course,lets,find);
  return 0;
}

typedef int (*PFI)(char *, char *)creates ___________

What will be the output of the following C code?

#include 
    int *(*(x()))[2];
    typedef int **(*ptrfoo)())[2];
    int main()
    {
        ptrfoo ptr1;
        ptr1 = x;
        ptr1();
        return 0;
    }
    int *(*(x()))[2]
    {
        int (*ary)[2] = malloc(sizeof * ary);
        return &ary;
    }

A program P reads in 500 integers in the range [0..100] exepresenting the scores of 500 students. It then prints the frequency of each score above 50. What would be the best way for P to store the frequencies? 

When does the ArrayIndexOutOfBoundsException occur?

Point out the error, if any in the program.

#include
int main()
{
    int i = 1;
    switch(i)
    {
        case 1:
           printf("Case1");
           break;
        case 1*2+4:
           printf("Case2");
           break;
    }
return 0;
}

How many times GeeksQuiz is printed

#include
int main()
{
    int i = -5;
    while (i <= 5)
    {
        if (i >= 0)
            break;
        else
        {
            i++;
            continue;
        }
        printf("GeeksQuiz");
    }
    return 0;
}

Which of the following library functions returns the time in UTC (Greenwich mean time) format?

Bitwise can be used to reverse a sign of a number.

Bitwise can be used to generate a random number.

A touch screen is another type of

What will be the output of the program in 16-bit platform (Turbo C under DOS) ?

#include

int main()
{
    printf("%d, %d, %d", sizeof(3.0f), sizeof('3'), sizeof(3.0));
    return 0;
}

What will be the output of the following C code?

#include 
    int main()
    {
        char str[10] = "hello";
        char *p = strrchr(str, 'l');
        printf("%c\n", *(++p));
    }

What will be the output of the following C code?

const char str1[] = "abcdef";
const char str2[] = "fgha";
char *mat;
mat= strpbrk(str1, str2);
if(mat)
printf("First matching character: %c\n", *mat);
else
printf("Character not found");

What will be the output of the following C code?

const char str1[]="ABCDEF1234567";
const char str2[] = "269";
len = strcspn(str1, str2);
printf("First matching character is at %d\n", len + 1);

What will be the output of the program ?

#include

int main()
{
    int i=3, *j, k;
    j = &i;
    printf("%d\n", i**j*i+*j);
    return 0;
}

What is the output of this C code?    

void main()
    {
        int x = 97;
        int y = sizeof(x++);
        printf("x is %d", x);
    }

Comment on the output of this C code?
   

int main()
    {
        int i, n, a = 4;
        scanf("%d", &n);
        for (i = 0; i < n>             a = a * 2;
    }

What is the output of this C code?    

int main()
    {
        int c = 2 ^ 3;
        printf("%d\n", c);
    }