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WILCO  Placement Sample  Question Paper 

Wilco Paper

SECTION A: APPITUDE TEST 20 BITS
SECTION B: C BITS 20 BITS
SECTION C: 1 QUESTION (NOT A BIT)

IT IS LONG ANSWER
THE QUESTION IS:FIND THE NEXT PERMUTATION IN LEXICOGRAPHIC
ORDER FROM THE GIVEN PERMUTATION

NOTE: MAXIMUM QUESTIONS ARE FROM OLD QUESTION PAPERS

SECTION A:

1. THERE WERE 750 PEOPLE WHEN THE FIRST SONG WAS SUNG. AFTER EACH
SONG 50 PEOPLE ARE LEAVING THE HALL. HOWMANY SONGS ARE SUNG TO MAKE
THEM ZERO?
ANS:16

SECTION B:

1. typedef struct{
char *;
nodeptr next;
} * nodeptr;
what does nodeptr stand for?
ans:

2. 2 oranges,3 bananas and 4 apples cost Rs.15 . 3 ornages 2 bananas
1 apple costs Rs 10. what is the cost of 3 oranges, 3 bananas and
3 apples
ANs Rs 15.

3. int *x[](); means
Ans:expl: Elments of an array can,t be functions.

4. struct list{
int x;
struct list *next;
}*head;
the struct head.x =100
Ans: above is correct / wrong
expl: Before using the ptr type struct variable we have to give memory
to that .
And also when ever the struct variable is ptr then we access the
members
by "->" operator.

5.o/p=?
int i;
i=1;
i=i+2*i++;
printf(%d,i);
ans: 4

6. FILE *fp1,*fp2;
fp1=fopen("one","w")
fp2=fopen("one","w")
fputc(,A,,fp1)
fputc(,B,,fp2)
fclose(fp1)
fclose(fp2)}
a.error b. c. d.
ans: no error. But It will over writes on same file.

7.#include
char *f()
{char *s=malloc(;
strcpy(s,"goodbye")}
main()
{
char *f();
printf("%c",*f()=,A,);
o/p=?

 #define MAN(x,y) (x)>(y)?(x)y)
{ int i=10;j=5;k=0;
k= MAX(i++,++j)
printf(%d %d %d %d,i,j,k)}
ans:10 5 0
9) a=10;b=5; c=3;d=3;
if(a