Pointers - C Questions

Pointers Questions - 1 Pointers Questions - 2 Pointers Questions - 3 Pointers Questions - 4 Pointers Questions - 5 Pointers Questions - 6 Pointers Questions - 7 Pointers Questions - 8

Data Types - C Questions

Data Types Questions - 1 Data Types Questions - 2 Data Types Questions - 3 Data Types Questions - 4 Data Types Questions - 5

Operators - C Questions

Operators Questions - 1 Operators Questions - 2 Operators Questions - 3 Operators Questions - 4 Operators Questions - 5

Structures - C Questions

Structures Questions - 1 Structures Questions - 2 Structures Questions - 3 Structures Questions - 4 Structures Questions - 5

Files - C Questions

Files Questions - 1 Files Questions - 2 Files Questions - 3 Files Questions - 4 Files Questions - 5

printf - C Questions

printf Questions - 1 printf Questions - 2 printf Questions - 3 printf Questions - 4 printf Questions - 5

Variables - C Questions

Variables Questions - 1 Variables Questions - 2 Variables Questions - 3 Variables Questions - 4 Variables Questions - 5

Preprocessor Macros

Preprocessor Macros - 1 Preprocessor Macros - 2 Preprocessor Macros - 3 Preprocessor Macros - 4 Preprocessor Macros - 5

While Loop - C Questions

While Loop Questions - 1 While Loop Questions - 2 While Loop Questions - 3 While Loop Questions - 4 While Loop Questions - 5

for Loop - C Questions

for Loop Questions - 1 for Loop Questions - 2 for Loop Questions - 3 for Loop Questions - 4 for Loop Questions - 5

if else - C Questions

if else Questions - 1 if else Questions - 2 if else Questions - 3 if else Questions - 4 if else Questions - 5

Switch case - C Questions

Switch case Questions - 1 Switch case Questions - 2 Switch case Questions - 3 Switch case Questions - 4 Switch case Questions - 5

Array - C Questions

Array Questions - 1 Array Questions - 2 Array Questions - 3 Array Questions - 4 Array Questions - 5

Functions - C Questions

Functions Questions - 1 Functions Questions - 2 Functions Questions - 3 Functions Questions - 4 Functions Questions - 5

Memory Allocation

Memory Allocation - 1 Memory Allocation - 2
The ones who are crazy enough to think they can change the world are the ones who do.
- Steve Jobs

C printf Tricky Questions

In most of the MNC interview questions such as in ZOHO interview question, IVTL Infoview interview questions, Amazon interview questions, GOOGLE interview questions, Infosys interview questions and even in Voonik interview questions, We come across several Tricky C Questions about which 2:5 of the questions are from Printf in c. Solving that kind of tricky C questions is not an easy task for all C programmers. We need more practices to solve it with ease. So we provide 25+ interesting C questions in Printf to make your MNC interview very easy.

C Printf Questions and Answers

6. What will be the output of the C program?

#include<stdio.h>
int main()
{
	int a = 5;
	printf("%d"+1,a);
	return 0;
}

A. compilation error

B. Runtime error

C. 5

D. d

x

 

Option: D

Try it

Understand yourself, if not, you will get this logic in next program.

Answer


7. What will be the output of the C program?

#include<stdio.h>
int main()
{
	int a = 5;
	printf("%dha"+2,a);
	return 0;
}

A. ha

B. 5ha

C. h

D. dha

x

 

Option: A

Explanation

+2 in printf("%dha"+2,a); will neglect %d(0 for % and 1 for d) and then it prints ha

This program is tested under Dev cpp and in standard online c compiler.

Answer


8. What will be the output of the C program?

#include<stdio.h>
int main()
{
	int i = 5, *ptr;
	ptr = &i;
	*ptr = 0;
	printf("\n Number is %d",i);
	return 0;
}

A. Number is 5

B. Compilation Error

C. Runtime error

D. Number is 0

x

 

Option: D

Explanation

Interestingly, a variable i holds the value 5, then the address of a variable i is stored in a pointer variable ptr , finally the pointer variable *ptr is set to the value 0. Clearly, now the address of i hold the value 0 which is displayed.

Answer


9. What will be the output of the C program?

#include<stdio.h>
int main()
{
	static int arr[5],i;
	for(i=0;i<=5;i++)
	printf("%d",arr[i] = 1);
	return 0;
}

A. 11111

B. 111111

C. Runtime Error

D. Compilation Error

x

 

Option: B

Explanation

Simply, for every iteration of for loop arr[] is set to 1.

Answer


10. What will be the output of the C program?

#include<stdio.h>
static struct student
{
	int a;
	int b;
}struct_var{};
int main()
{
	printf("%d %d",struct_var.a,struct_var.b);
	return 0;
}

A. Runtime Error

B. Improper representation of structure variable

C. Compilation error

D. 0 0

x

 

Option: D

Explanation

As there is no structure variables are initialized to the data type of the membernames. By default c compiler will automatically initialize 0 to its every membernames.

click Here to refer more.

Answer


Report Us

We may make mistakes(spelling, program bug, typing mistake and etc.), So we have this container to collect mistakes. We highly respect your findings.

Report

We to update you