DE SHAW Placement Papers

[Kalyan]

DE SHAW Placement Papers

1) ONE RECTANGULAR PLATE WITH LENGTH 8INCHES,BREADTH 11 INCHES AND
   2 INCHES THICKNESS IS THERE.WHAT IS THE LENGTH OF THE CIRCULAR ROD
   WITH DIAMETER 8 INCHES AND EQUAL TO VOLUME OF RECTANGULAR PLATE?
ANS: 3.5INCHES

2) WHAT IS THE NUMBER OF ZEROS AT THE END OF THE PRODUCT OF THE NUMBERS
   FROM 1 TO 100

3) in some game 139 members have participated every time one fellow will
   get bye what is the number of matches to choose the champion to be
   held?
ans: 138

4) one fast typist type some matter in 2hr and
   another slow typist type the
   same matter in 3hr. if both do combinely in how much time they
   will finish.
ans: 1hr 12min

5) in 8*8 chess board what is the total number of squares
   refer odel
ans:204

6) falling height is proportional to square of the time.
   one object falls 64cm in 2sec than in 6sec from how much
   height the object will fall.

7) gavaskar average in first 50 innings was 50 . after the 51st
   innings his average was 51 how many runs he made in the 51st
   innings

8)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.

9)in 80 coins one coin is counterfiet what is minimum number of
  weighings to find out counterfiet coin

10)in a company 30% are supervisors and 40% employees are male
   if 60% of supervisors are male. what is the probability
   that a randomly choosen employee is a male or female?

11)statement: all green are blue are blue, all blue are white
   conclusion:
   I) some blue are green II) some white are green
   III)some green are not white IV) all white are blue
   a) he has given four choices like gre type

12)all teachers are students. some students are girls.
   this type of questions are there.
   we cant able to reproduce them.


                D.E.shaw  1997
                ===============

                SECTION B (all multiple choices)
                (each q carries 3 marks)
1.while((*p++=*q++)!=0){}
   is equal to
   a) b) c) d)

2.the function strcmp(str1,str2) returns

3. int   *x[](); means

4.#define  PRINT(int) printf("int=%d",int);
main()
{int x,y,z;
x=03;y=-1;z=01;
PRINT(x^x);
z<<=3;PRINT(x);
y>>=3;PRINT(y);
}

5. struct list{
int x;
struct list *next;
}*head;
the struct head.x =100
above is correct / wrong

6. '-'=45  '/'=47
printfr(%d/n,'-','-','-','-','/','/','/');
o/p =?
12.o/p=?
int i;
i=1;
i=i+2*i++;
printf(%d,i);

8.{ ch='A';
while(ch<='F'){
switch(ch){
case'A':case'B':case'C':case'D':ch++;continue;
case'E':case'F':ch++;
}
putchar(ch);
}
}    a)ABCDEF  b.EFG c.FG d.error   ans:-c

9. 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.

10. int a=1; b=2; c=3; *pointer;
pointer=&c;
a=c/*pointer;
b=c;
printf("a=%d b=%d",a,b);
a. a=1 b=3
b a=3 b=3
c 3     2
d. error

11.#include<malloc.h>
char *f()
{char *s=malloc(;
strcpy(s,"goodbye")}
main()
{
char *f()_;
printf("%c",*f()='A');
o/p=?     ans:- A

13.  int sum(n)
int n;
if(n<1)return n;
else return(n+sum(n-1))
a 10 b 16  c  14  d  15

14.   when a function is recursively called all ,
automatic variables are    a. stored in stack b . c. d

15)   #define MAN(x,y) (x)>(y)?(x):(y)
  {  int i=10;j=5;k=0;
  k= MAN(i++,++j)
  printf(%d %d %d %d,i,j,k)}

16) a=10;b=5; c=3;d=3;
if(a<b)&&(c=d++)
printf(%d %d %d %d a,b,c,d)
else printf("%d %d %d %d a,b,c,d);

: .............................................
  19. what is o/p
  #include<stdarg.h>
  show(int t,va_list ptr1)
  {
  int a,x,i;
  a=va_arg(ptr1,int)
  printf("\n %d",a)
  }
  display(char)
  {int x;
  listptr;
  va_star(otr,s);
  n=va_arg(ptr,int);
  show(x,ptr);
  }
  main()
  {
  display("hello",4,12,13,14,44);
  }
  a) 13 b) 12 c) 44 d) 14
  .............................................

  17. if the following program (my prog)
  main(int size of ,char *arg[])
  { while(size of arg) printf("%s",arg[--size of arg)
  }
  is run from the command line as myprog jan feb mar apr
  what would be the o/p
  a)myprog jan,feb,mar,apr
  b)rev
  c)jan,feb,mar,apr
  d)error
  ans:- if there is no error then answer is mar
  .............................................

  18.what is o/p
  main()
  {int i=3;
  while(i--)
  {
  int i=100
  i--;
  printf("%d..",i);
  }
  }
  a) infinite loop
  b) error
  c) 99..99..99..99
  d) 3..22..1..
  .............................................ans:-c
  20)what is the o/p of the program
    main()
    {
      int rows=3,colums=4;
      int a[rows][colums]={1,2,3,4,5,6,7,8,9,10,11,12};
          i=j=k=99;
          for(i=0;i<rows;i++)
           for(j=0;j<colums;j++)
              if(a[k][j]<k) k=a[j];

         printf("%d\n",k);