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C if else Interview Questions and Answers
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 if else 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 if else to make your MNC interview very easy.
C if else Questions
21. What will be the output of the C program?
#include<stdio.h>
int main()
{
int i = 5;
if(i = i - 5 > 4)
printf("inside if block");
else
printf("inside else block");
return 0;
}
x
Option: D
Explanation
22. What will be the output of the C program?
#include<stdio.h>
int main()
{
char str1[] = "zoho";
char str2[] = "zoho";
if(strcmp(str1, str2))
printf("Strings are not same");
else
printf("Strings are Same");
return 0;
}
x
Option: A
Explanation
The string function strcmp always returns 0 if both strings are equal otherwise it returns a non-zero value. The above program has two strings, both are same. It executes else block.
23. What will be the output of the C program?
#include<stdio.h>
int main()
{
int i;
if(scanf("%d",&i)) //if we give input as 0
printf("inside if block");
else
printf("inside else block");
return 0;
}
x
Option: D
Explanation
The condition will be true because the expression scanf("%d",&i) reads some input from user so condition is true and if block gets executed.
24. What will be the output of the C program?
#include<stdio.h>
int main()
{
if(sizeof(0))
printf("Hai");
else
printf("Bye");
return 0;
}
x
Option: B
Explanation
The sizeof(0) will returns size of integer, So the condtion is true.
25. What will be the output of the C program?
#include<stdio.h>
int main()
{
if(sizeof('\0'))
printf("inside if block");
else
printf("inside else block");
return 0;
}
x
Option: A
Explanation
The sizeof('\0') is 1 byte. So if block gets executed.
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