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Frequently Asked c interview questions and answers for freshers Page 6

(#M40030695) C QUESTION C Keep an EYE

In!a!Circle!

A number of children are standing in a circle. If the 5th person is opposite the 13th person, how many people are in the circle?

Asked In C UZAIR MANSURI (11 years ago)

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(#M40155280) C QUESTION sizeof() Keep an EYE

int main()
{
struct value
{
int bit1:1;
int bit3:4;
int bit4:4;
}bit;
printf("%dn", sizeof(bit));
return 0;
}

A. 1 B. 2
C. 4 D. 9

Asked In C Anshul jain (9 years ago)

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(#M40031847) C QUESTION Keep an EYE

For the following C program
#define AREA(x)(3.14*x*x)
main()
{float r1=6.25,r2=2.5,a;
a=AREA(r1);
printf("n Area of the circle is %f", a);
a=AREA(r2);
printf("n Area of the circle is %f", a);
}
What is the output?

Asked In C Rajendra Singh (11 years ago)

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(#M40119261) C QUESTION o/p Keep an EYE

int main()
{
int x=0xffff;
x=x<>3;
printf("%x",x);
}

Asked In C om prakash kumar (10 years ago)

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(#M40018710) C QUESTION C- QUESTIONS Keep an EYE

Consider the following program and what will be content of t?
#include
int main()
{
FILE *fp;
int t;
fp = fopen("DUMMY.C", "w");
t = fileno(fp);
printf("%dn", t);
return 0;
}

Options
1) size of "DUMMY.C" file
2) The handle associated with "DUMMY.C" file
3) Garbage value
4) Error in fileno()

Asked In C (12 years ago)

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(#M40029303) C QUESTION C Keep an EYE

Q. main()
{
show();
}
void show()
{
printf("I'm the greatest");
}

A. Compier error: Type mismatch in redeclaration of show.

Explanation: When the compiler sees the function show it doesn't know anything about it. So
the default return type (ie, int) is assumed. But when compiler sees the actual definition of show
mismatch occurs since it is declared as void. Hence the error.
The solutions are as follows:
1. declare void show() in main() .
2. define show() before main().
3. declare extern void show() before the use of show().

Asked In C MAN (12 years ago)

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(#M40157921) C QUESTION pseudo code Keep an EYE

What will be the output of the following pseudo-code statements:
integer a = 456, b, c, d =10
b = a/d
c = a - b
print c

Asked In C Ashok (8 years ago)

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(#M40018708) C QUESTION C- QUESTIONS Keep an EYE

Which files will get closed through the fclose() in the following program?
#include
int main()
{
FILE *fs, *ft, *fp;
fp = fopen("A.C", "r");
fs = fopen("B.C", "r");
ft = fopen("C.C", "r");
fclose(fp, fs, ft);
return 0;
}
Options
1) "A.C" "B.C" "C.C"
2) "B.C" "C.C"
3) "A.C"
4) Error in fclose()

Asked In C (12 years ago)

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(#M40018731) C QUESTION C- QUESTIONS Keep an EYE

What will be the output of the program ?
#include
#include

int main()
{
char str1[20] = "Hello", str2[20] = " World";
printf("%sn", strcpy(str2, strcat(str1, str2)));
return 0;
}
Options
1) Hello
2) World
3) Hello World
4) WorldHello

Asked In C (12 years ago)

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(#M40029236) C QUESTION C Keep an EYE

output?
main()
{
printf("nab");
printf("bsi");
printf("rha");
}

Answer: hai

Explanation:
n - newline
b - backspace
r - linefeed

Asked In C MAN (12 years ago)

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