DE Shaw Placement Paper  III
Posted by Subash  9:07 PM
[2] Comments

links to this post
Aptitude:
 What is the area covered in in 14 minutes by the minute hand of a clock of length 15 cm ?
 What is the diameter of a wheel if it covers 440 m in 1000 revolutions?
 There are 1 Re, 50 p, 25 p coins in the ratio 3:3:4 respectively. if the total amount is Rs.550, how many 1 Re coins are there?
ans: 300  if A can do 1/3rd of work in 4 days and B can do 1/6th of work in 3 days, then in how many days can both A and B complete the work.
ans: 7 1/7 days  if a number is divided by 935 remainder is 69. if same no. is divided by 38, what will be the remainder?
ans: 29  if a tank is filled by 10 pumps, it takes 12 hours. if the same tank is filled by 15 pumps, then it will take 6 hours. how much time will it take to fill the tank if 25 pumps are used?
 what is the probability of having b'days of 2 persons on the same day in a gathering of 50 persons?
 how many words can be formed by the letters of the word DELCIOUS starting with D and ending with E?
ans: 6! = 720  if a man works for 3 hours he gets Rs.15 + 1 meal. if he works for 12 hours he gets Rs.90 + 2 meals. what is the cost of a meal?
ans: Rs.15/  if a tank can be filled by pipe A in 24 mins and by pipe B in 32 mins. if A and B both are open, when should B be stopped to fill the tank in 18 mins.
1. typedef struct{
char *;
nodeptr next;
} * nodeptr;
what does nodeptr stand for?
2. supposing thaty each integer occupies 4 bytes and each charactrer
1 byte , what is the output of the following programme?
#include
main()
{
int a[] ={ 1,2,3,4,5,6,7};
char c[] = {' a','x','h','o','k'};
printf("%d\t %d ", (&a[3]&amp;amp;amp;amp;amp;amp;amp;amp;amp;a[0]),(&c[3]&c[0]));
}
ans : 3 3
3. what is the output of the program?
#include
main()
{
struct s1 {int i; };
struct s2 {int i; };
struct s1 st1;
struct s2 st2;
st1.i =5;
st2 = st1;
printf(" %d " , st2.i);
}
ans: nothing (error)
expl: diff struct variables should not assigned using "=" operator.
4.what is the output of the program?
#include
main()
{
int i,j;
int mat[3][3] ={1,2,3,4,5,6,7,8,9};
for (i=2;i>=0;i)
for ( j=2;j>=0;j)
printf("%d" , *(*(mat+j)+i));
}
ans : 9 6 3 8 5 2 7 4 1
10:41 AM
hi..tahnks for blogging the apti papers...
1:27 PM
He y hows the aptis 3 rd questiion answer 300 ?
if 550 is the total amount , should 165 be the total no of 1re coins .