1. What will be the output of the following C code?

#include 

int main()
{
    float x = 21.0;
    x %= 3.0;
    printf("%f",x);

    return 0;
}

2. What will be the output of the following code snippet?

#include 
void solve() {
    int a[] = {1, 2, 3, 4, 5};
    int sum = 0;
    for(int i = 0; i < 5; i++) {
        if(i % 2 == 0) {
            sum += *(a + i);
        }
        else {
            sum -= *(a + i);
        }
    }
    printf("%d", sum);
}
int main() {
solve();
return 0;
}

3. What will be the output of the following C code?

        #include 

        void main()

        {

            double k = 0;

            for (k = 0.0; k < 3.0; k++)

                printf("Hello");

        }

4. If p is an integer pointer with a value 1000, then what will the value of p + 5 be?

5. What is the output of C Program.?

int main()
{
    int a=14;
    
    while(a<20)
    {
        ++a;
        if(a>=16 && a<=18)
        {
            continue;
        }
        printf("%d ", a);
       
    }

    return 0;
}

6. Which of the following is an exit controlled loop?

7. scanf() is a predefined function in______header file.

8. What will be the output of the following code snippet?

#include 
void solve() {
    int first = 10, second = 20;
    int third = first + second;
    {
        int third = second - first;
        printf("%d ", third);
    }
    printf("%d", third);
}
int main() {
solve();
return 0;
}

9. What will fopen will return, if there is any error while opening a file?

10. What will be the output of the following C code?

        #include 

        int main()

        {

            enum {ORANGE = 5, MANGO, BANANA = 4, PEACH};

            printf("PEACH = %dn", PEACH);

        }

11. What does the following program print?

#include
void f(int *p, int *q)
{
  p = q;
 *p = 2;
}
int i = 0, j = 1;
int main()
{
  f(&i, &j);
  printf("%d %d n", i, j);
  getchar();
  return 0;
}

12. The standard header _______ is used for variable list arguments (…) in C.

13. Is initialisation mandatory for local static variables?

14. Which of the following is true about return type of functions in C?

15. Which option should be selected to work the following C expression?

string p = "HELLO";