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)

7. (A) Anna is the tallest girl

(B) Anna is taller than all boys.

(Q) . Is Anna the tallest in the class

Ans : c

8. maths question

9, 10 Analytical

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)

11,12.13,14.

-----------

A father F has 5 sons, p,q,r,s,t. Not necessarly in this order.

Two are of same age. The eldest and youngest cannot be twins. T is elder

to r and younger to q and s has three older brothers

q) who are the twins? s,t

q) who is the oldest and youngest? q, (s&t)

q)

q)

15,16,17,18

----------

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 temperory 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

30. ASCII problem

i=..

ans : 6

31 .

32. what is the o/p

printf(" Hello \o is the world ");

Ans : Hello is the world.

33. Clarifying the concept addresses used over array ; ie changing

the address of a base element produces what error?

34. child process -- fork

child shell -- sh

35. Answer are lex 7 yacc & man read these things in UNIX

36. What is

int *p(char (*s)[])

Ans : p is a function which is returning a pointer to integer

which takes arguments as pointer to array of characters.

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