Technical part
--------------------
1. ans:O(n**2)
2. inorder & preorder seq. of tree is given & you have to find out post order..
        very easy but do practice you can make one easy method by practice..
3. problem on pass by ref. & pass by value.    
        asn: x=5 & y=3
4.in assembler relocatable code generated by ...!!??
        asn: indirect addressing
5.depth of the tree
        ans:log(n)
6.very simple problem on binary tree ...
        so learn who to build tree & insert new tree node...
ans: 10
7.problem on FSM
8.problem on stack
        asn:"c"
9.problem on grammer

-----------------------
Thenical part 2
----------------------
1. A(XOR)B                    
2. for modulo-13 ...FF req.
        asn: 4
3. asn: modulo-6
4. ans: z(x+y)
5. ans: 0,1
6. on DMA : I/O to Mem. without CPU monitering
7. problem on ring counter
        asn: 4 cycle
8.number given in form 20 digit repesentation ...
where A,B ,C ,,,..J
are  10,11,12,...20

 number is 'IA'
 what is the value in octal
 asn:562
9. one program is given
inwhich  statement are
        t= u%v 
 t= u%v
        u=v
        v=v-1...
        you have to find complexcity of prog.

        asn: !!??

last aptitude  Part

1. log( X**3 + Y**3) where x=3/4 y=1/4
        log(3) , log(7) & log(2) is given ...
ans:-0.385

2. one puzzle related  cards ...
 asn: 1 black card & 12 red crads

3. last question of paper ..
        sum of money of A & B =Rs.10
        diffrence of A + B = Rs.9
ans : 50 pesa

4. one paper is equlely folded 50 times...
        what is new thikness of paper..
        ans: 2**50

5. problem in which two circle are drawn ...& triangle..
          ans: 10root2

6. one problem related to two train ...
        ans: (T + t)/2

7. connect nine point without take-off pen & without overlapping line segment

        1       2       3       4



        *       *       *       5



        *       *       *       6
    0*      *       *       7

answer: start with 0 to 1 to 7 to 0 to 4 .

8. make four equle parts..

        ----
        |   |
        |   |--
        |      |
        |      |
        --------

        hint : repeat same shape in it.

9. one area finding problem           
  in which in 10 * 10 box small 2*2 box & one triangle ...

        sheded area you have to find...

        ans:33.33

CV paper:

1-18  General  (i) Data sufficiency
                       (ii) Analytical
                       (iii) Mathematics
        19-45 C&UNIX

1. |x-a|=a-x    Ans: (c) x<=a

2. There is six letter word VGANDA . How many ways you can arrange the
   letters in the word in such a way that both the A's are together.
    Ans : 120    (5x4!)

3.  If two cards are taken one after another without replacing from
     a pack of 52 cards what is the probability  for the two cards be
        queen.     Ans : (4/52)*(3/51)       (1/17)*(1/13)

4. 51 x 53 x ... x 59 ; symbols ! - factorial
                                ^ - power of 2
  (a) 99!/49! (b)  (c)   (d) (99! x 25!)/(2^24 x 49! x 51!)

5. The ratio fo Boys to Girls is 6:4. 60% of the boys and 40% of girls
    take lunch in the canteen. What % of class takes lunch in canteen.
        Ans : 52%    (60/100)*60 + (40/100)*40


Data Sufficiency : a) only statement A is sufficent , B is not
                   b) only statemnet B
                   c) both are necessary
                   d) both are not sufficient.

6. X is an integer. Is X dvisible by 5?
   A) 2X is divisible by 5.
   B) 10X is divisible by 5.

   Ans : A)


Zulus always speak truth and  Hutus always speak lies. There are
three persons A,B&C. A met B and says " I am a Zulu or I am Hutu".
We don't know what exactly he said. then B meets C and says to c
that " A is a Zulu ". Then C replied " No, A is a Hutu ".

9. How many Zulus are there ? Ans 2( check)

10) Who must be a Zulu ? Ans B (check)


 There are 7 people who take a test among which  M is the worst, R is
disqualified, P and S obtain same marks, T scores less than S and Q scores
less than P, N scores higher than every one.
Ans : N P S T Q R M (may be, just check)  or N S P T Q R M

C & UNIX
--------

19. What does chmod 654 stand for.
Ans : _rw_r_xr__

20. Which of following is used for back-up files?
    (a) compress (b) Tar (c) make (d) all the above  Ans : b

21 what does find command do ? Ans : search a file

22. what does " calloc" do?
    Ans :  A memory allocation and initialising to zero.

23 what does exit() do?
   Ans : come out of executing programme.

24. what is the value of 'i'?
   i=strlen("Blue")+strlen("People")/strlen("Red")-strlen("green")
   Ans : 1

25. i=2
    printf("%old %old %old %old ",i, i++,i--,i++);
    Ans : check the answer.

26. Using pointer, changing A to B and B to A is Swapping the function
    using two address and one temporary variable. a,b are address, t is
    temporary variable. How function look like?
     Ans : swap(int *, int *, int )

27.  In  'o' how are the arguments passed?
     ans : by value.

28. Find the prototype of sine function.
    Ans : extern double sin(double)

29. Scope of a global variable which is declared as static?
    ans : File

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