Find Output Of Program

Question 11 :

What will be the output of the program ?

#include < stdio.h >
int main()
{
    int a=250;
    printf("%1d\n", a);
    return 0;
}


A). 1250
B). 2
C). 50
D). 250
Answer : Option D

Explanation :

int a=250; The variable a is declared as an integer type and initialized to value 250.
printf("%1d\n", a); It prints the value of variable a.
Hence the output of the program is 250.


Question 12 :

What will be the output of the program ?

#include < stdio.h >

int main()
{
    FILE *fp;
    char ch, str[7];
    fp=fopen("try.c", "r"); /* file 'try.c' contains "This is Nagpur" */
    fseek(fp, 9L, SEEK_CUR);
    fgets(str, 5, fp);
    puts(str);
    return 0;
}


A). agpur
B). gpur
C). Nagp
D). agpu
Answer : Option D

Question 13 :

What will be the output of the program if value 25 given to scanf()?

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


A). 25
B). 2
C). 1
D). 5
Answer : Option C

Explanation :

The scanf function returns the number of input is given.
printf("%d\n", scanf("%d", &i)); The scanf function returns the value 1(one).
Therefore, the output of the program is '1'.