File Input Output- C Programming MCQ Questions and Answers

#include <stdio.h>
#include <math.h>
int main()
{
    int i = 90;
    printf("%f\n", sin(i));
    return 0;
}

#include <stdio.h>
int main()
{
    int i = 10, j = 3, k = 3;
    printf("%d %d ", i, j, k);
}

int fputs(char *line, FILE *fp)

#include <stdio.h>
int main()
{
    int n;
    scanf("%d", &n);
    ungetc(n, stdin);
    scanf("%d", &n);
    printf("%d\n", n);
    return 0;
}