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
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- Steve Jobs

C printf Tricky Interview 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

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

#include<stdio.h>
int main(){
	char str[25];
	printf(" %d ",printf("c-aptitude"));
	return 0;
}

A. 10  c-aptitude

B. c-aptitude  9

C. 9  c-aptitude

D. c-aptitude  10

x

 

Option: D

Explanation

Inner printf() will print first and then outer printf will display the length of the inner printf's string.

Answer


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

#include<stdio.h>
# define loop while(true)
int main()
{
	loop;  
	printf("c-aptitude");
	return 0;
}

A. program never ends

B. c-aptitude

C. Compilation error

D. none of the above

x

 

Option: A

Explanation

Yes, its infinite while loop.

Answer


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

#include<stdio.h>
int main()
{
    printf("%d", 5.00);
    return 0;
}

A. Runtime error

B. Compilation error

C. 5

D. 0

x

 

Option: D

Explanation

when we print the integer with .000 and many zero's as an extension then output will be 0.

Answer


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

#include<stdio.h>
int main()
{
	printf("%d",5.25);
	return 0;
}

A. Compilation error

B. garbage value

C. 5

D. 0

x

 

Option: B

Explanation

5.25 is neitheir a pure integer number(5) nor impure integer number(5.00).

Answer


25. What will be the output of the C program neglecting user input?

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

A. Compilation error

B. 1

C. 2

D. none of the above

x

 

Option: C

Explanation

Here scanf reads 2 input, thus printf display the value 2.

Answer


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