Control Structures MCQs

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int i = 0;
    for (i = 0;i < 5; i++)
        if (i < 4)
        {
            printf("Hello");
            break;
        }
}

Which of the following is an invalid if-else statement?

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    short i;
    for (i = 1; i >= 0; i++)
        printf("%d\n", i);

}

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int i = 0, j = 0;
    while (i < 2)
    {
        l1: i++;
        while (j < 3)
        {
            printf("loop\n");
            goto l1;
        }
    }
}

What will be the correct syntax for running two variable for loop simultaneously?

Which for loop has range of similar indexes of 'i' used in for (i = 0;i < n; i++)?

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    do
        printf("In while loop ");
    while (0);
        printf("After loop\n");
}

What will be the output of the following C code? (Assuming that we have entered the value 2 in the standard input)

#include <stdio.h>
void main()
{
    int ch;
    printf("enter a value between 1 to 2:");
    scanf("%d", &ch);
    switch (ch)
    {
       case 1:
          printf("1\n");
          break;
          printf("hi");
       default:
          printf("2\n");
    }
}

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    switch (printf("Do"))
    {
       case 1:
          printf("First\n");
          break;
       case 2:
          printf("Second\n");
          break;
       default:
          printf("Default\n");
          break;
    }
}