Printf function questions and answer with solution

Printf objective types interview questions and answers  

(1)

#include<stdio.h>

#include<conio.h>

void main()

{

int a=5,b=6,c=11;

clrscr();

printf("%d %d %d");

getch();

}

What will output when you compile and run the above code?

(a)Garbage value garbage value garbage value

(b)5 6 11

(c)11 6 5

(d)Compiler error

Answer: (c)

(2)

#include<stdio.h>

void main()

{

char *str="CQUESTIONBANK";

clrscr();

printf(str+9);

getch();

}

What will output when you compile and run the above code?

(a)CQESTIONBANK

(b)CQUESTION

(c)BANK

(d)Compiler error

Answer: (c)

(3)

#include<stdio.h>

void main()

{

clrscr();

printf("%d",printf("CQUESTIONBANK"));

getch();

}

What will output when you compile and run the above code?

(a)13CQUESTIONBANK

(b)CQUESTIONBANK13

(c)Garbage CQUESTIONBANK

(d)Compiler error

Answer: (b)

(4)

#include<stdio.h>

#include<conio.h>

void main()

{

short int a=5;

clrscr();

printf("%d"+1,a);

getch();

}

What will output when you compile and run the above code?

(a)6

(b)51

(c)d

(d)Compiler error

Answer: (c)

(5)

#include<stdio.h>

void main()

{

int i=85;

clrscr();

printf("%p %Fp",i,i);

getch();

}

What will output when you compile and run the above code?

(a)85 85

(b)0055 034E:0055

(c)0055 FFFF:0055

(d)Compiler error

Answer: (b)

 (6)

#include<stdio.h>

static struct student

{

int a;

    int b;

    int c;

int d;

}s1={6,7,8,9},s2={4,3,2,1},s3;

void main()

{

s3=s1+s2;

clrscr();

printf("%d %d %d %d",s3.a,s3.b,s3.c,s3.d);

getch();

}

What will output when you compile and run the above code?

(a)6789

(b)4321

(c)10101010

(d)Compiler error

Answer: (d)

(7)

#include<stdio.h>

extern struct student

{

int a;

    int b;

    int c;

int d;

}s={6,7,8,9};

void main()

{

clrscr();

printf("%d %d %d %d",s.a,s.b,s.c,s.d);

getch();

}

What will output when you compile and run the above code?

(a)6789

(b)9876

(c)0000

(d)Compiler error

Answer: (a)

(8)

#include<stdio.h>

struct student

{

static int a;

register int b;

auto int c;

extern int d;

}s={6,7,8,9};

void main()

{

printf("%d %d % %d",s.a,s.b,s.c,s.d);

}

What will output when you compile and run the above code?

(a)6789

(b)9876

(c)0000

(d)Compiler error

Answer: (d)

(9)

#include<stdio.h>

struct student

{

int roll;

int cgpa;

int sgpa[8];

};

void main()

{

struct student s={12,8,7,2,5,9};

int *ptr;

ptr=(int *)&s;

clrscr();

printf("%d",*(ptr+3));

getch();

}

What will output when you compile and run the above code?

(a)8

(b)7

(c)2

(d)Compiler error

Answer: (c)

(10)

#include<stdio.h>

struct game

{

int level;

int score;

struct player

{

char *name;

}g2={"anil"};

}g3={10,200};

void main()

{

struct game g1=g3;

clrscr();

printf("%d  %d  %s",g1.level,g1.score,g1.g2.name);

getch();

}

What will output when you compile and run the above code?

(a)10 200 anil

(b)200 10 anil

(c)10 200 null

(d)Compiler error

Answer: (d)

(11)

#include<stdio.h>

struct game

{

int level;

int score;

struct player

{

char *name;

}g2;

}g1;

void main()

{

clrscr();

printf("%d  %d  %s",g1.level,g1.score,g1.g2.name);

getch();

}

What will output when you compile and run the above code?

(a)Garbage_value garbage_value garbage_value

(b)0 0 (null)

(c)Run time error

(d)Compiler error

Answer: (b)