**HEXAWARE - Placement Paper - 09 Sep 2006 - Chennai**

Hi friends, the qs mentioned r truly correct & precise .there were 100 qs in all comprising of 20 qs in Eng, 30 qs in maths & 50 qs in their particular stream.

ENGLISH

1-5) find out antonyms:

1) scrupulous A) understood B meticulous C careless D rude E witty Ans c

2) tacit A calm B silent C intelligent D spoken E rude Ans D

3) lustrous A dull B freaky c delicious D spicy E gloomy Ans A

4) admonish A taunting B appreciate C scold E faint E shrilly Ans B

5) raucous A silky B hairy C decent D freaky E noisy Ans C

6-15)find out synonyms

6) invidious Ans discriminatory

7) vigilant a watchful b careless c freaky d faint e dirty Ans a

8) Replete Ans full,instinct

9) Implode Ans go off

10) Impervious Ans

11) Communiqué- Ans dispatch

12) impertinent- Ans fresh,

13-17) the ……13….. nature of internet and in the its increasing …14…… of users because of its underlying ……15……..has made enhancements in its…16……….. and compatible for……17……………… .

Ans pervasive

Ans number

Ans advantages

Ans features

Ans organizations

TIPS: 1) for maths section refer to R.S Aggarwal & R.D Sharma of 10+2

MATHS:

1)a rhombus has area 432 sq m, one diagonal is 36 cm. find other diagonal ? Ans 24 cm

2) an equilateral triangle has perimeter a cm . find its area . Ans a2/12√3

3) average of seven nos is 25. avg of first three of them is 35 while last three of them is 20. find 4th no. Ans 10

4) find avg of all nos. which lies b/w 1 and 100 & r divisible by 7. Ans. 52.5

5) avg of three nos is 33. first one is as much more than avg as third one is less than avg. Ans 33

6) find sum of series: 1+ 0.1+0.001+0.0001+…………. Ans: 10/9

7) if price of t.v set is reduced by 20%, then its sale increases by 80%, find net effect on sale value Ans 44%more

8) how much a decimal of 1/3600? Ans 0.00027

9) f(x): sq root of x ,g(x) : cube root of x, then find value: f(f(x)+g(x)) Ans 1.0

10) find loal max & min of 2 + f(2x2+ 3X +1) ?

11) find the point which is nearest to (1,2,3)

12)find 123

det 456 Ans 0

789

13) integration of which is maximum for ∫f(x),lim(0,1) ? a) 2x b) 2x2 c) 2x3 d)2 const fn Ans d

14) find vector perpendicular to 2i +5j +4k Ans 2i-12j+7k

15) speed of boat in still water is 9km/h . if boat moves upstream A to B in 2 hrs. & B to A in 1 hrs. Then find distance b/w A&B Ans 12

16) what no should be subtracted from 92555 to make it a perfect square ? Ans: 39

17) the probability of a student possessing a ball point pen in exam is 3/5 & possessing an ink pen is 2/3. find his probability of possessing at least one of them . Ans 13/15.

18) In an interview , the probability of appointing Husband is 1/5 while that of wife is ¼.find probability that only one of them get selected in interview. Ans :1/4

19) find the probability that a five digit no formed by 1,2,3,4,5 ( not repeated) are divisible by 4. Ans : 3/20.

20) find the probability in a group of 10 students sitting in a row , two of them always sit next to each other. Ans: (1/9) (not sure , u try urself)

21) A clock hand overtakes hour hand in 65 min the in how much time it will cover 65 time **** Ans none of all( refer to r.s . agg)

22) if no of employees are reduced by ratio x:y & their wages are increased by ratio p:q. then find the ratio to which their wages bill decreases Ans: xp: yq

23) Three sides of a triangle are given 15,11,7, find cosine of angles ? Ans : apply formula cosA= b2+c2-a2/2*c*b, cos B= a2+b2 –c2/2*a*b;

24) if a tap could fill entire tank in 18 hrs due to leakage, then in how much time tank can be emptied by leakage if tap can fill entire tank in 12 hrs without leakage? Ans: 6hrs

25) Three liquids were mixed in 5:4:1 ratios. If cost per kg for ach of them is 4.50, 3.75

& 5.10. Then in what price mixture should be sold to get 25% profit? Ans

26) Two commodities have cost per kg is 4.75Rs & 3.20Rswere mixed in a certain ratio so as to make cost price of mixture as 17.75 Rs. Find the ratio Ans 4:1.

Recommendations:1) you must have fundamental knowledge in every subject u have studied so far in degree course

2) NETWORKING, AUTOMATA,S/W ENGG(testing),H/w &memory based numericals

,data structure(must), slight ADA

Technical for comp sci/ IT /MCA

1) palindrome……… recognized by finite automata A may be B can be C can’t be D may not be Ans can’t be

2) error detection is done by a hamming codes B cycle redundancy codes C routers d others Ans

3) how many canonical expressions can be formed when edge =2

4) if i/ps in a stack are in order 1,2,3,4,5 the order of o/ps is Ans 5,4,3,2,1

5) a logic gates does response to i/p in a ) a sec b) hundredths of sec c)a few millions of sec d) a few billions of sec

6) shortest distance can be determined by which algorithm a) dynamic programming b) greedy method 3) backtracking 4) divide & conquer Ans

7) 7489 IC is a)32 bit rom B) 32 bit ram C)64rom D)64 ram

8) value of max clock is given to which a) shift register b) counter c) logic gate d)flip flop e) ***

9)in semantic analysis what we do A) arguments analysis B) syntactic constructs checking C) ****

10) which of following a queue can perform A printer spooling B cpu scheduling C ****

D all of above Ans D

11) which of following is a continuous data structure in which insertion can take place from any direction but deletion takes place from opposite direction A) stack B) queueC)

array D) tree E)### Ans B

12) how much channels an ISDN has in which different operations are done simultaneously a)2 b) 3c) 4 d) 5 E)####

13) which n/w comprises a server in center & rest nodes surround it ? Ans star n/w

14) a tree in which every node(value) which exceeds parent node is placed on right while node lacking than parent is placed on left Is called ? Ans BINARY TREE

15) thrashing is done when o) don’t know##

16) A que was on finding no of nodes in a tree having 16 child nodes (note : not exact but try to do such sums on tree in data structure)

17) another que was of sort that def of a tree was given in two statements & was asked which five option is valid for this def? ( note : validity was asked on the base of no of childs & parents nodes) A) r child, r+1parents B) r child, r parents C) r+1 child, r parents D)r+1 parent , r child E)#####

18) hashing table signifies what ?

19) how many address bits should there be in segmentation with paging to show 512 segments each having 64 pages . Ans 15

20)a que was of sort that in round robin scheduling four jobs A,B,C,D were given to queue having completion time 4,1,2,1 . the quantum period was unit sec. then find throughput time of job A.

21) how many paths would be formed to make a complete n/w between four nodes

Ans 4+3+2+1=8

22) segment statements are stored in ?

23) alias statement are invoked by ?

24) if any Automatic variable is not intialised then it will have? A garbage B 0 C -1D 1

25) recursive language is recognized by A turing m/c B non finite automataC finite automata D##### ( note: refer to theory of computation & automata)

26) which protocol is used for identifying IP address A arp B rarp C x.25 D****

27) S->By/w

A->c/w

B-> A/y

c-> x then corresponding string is

a) x*w+ y*w b)########### (note refer to toc&a)

28) how many words can be stored in a memory of 64K?

29) Aloha is Ans channel allocation algo

30)frequency bandwidths are allotted to message by A) modem B) frequency division mux C###### Ans B

31) message passing is what ?

32) tell the addressing mode in which contents of operand are direct fetched from memory without change A) indirect B) index register mode C) implied D) base register

Ans C

33)which one of these always reside in memory? A) assembler B) linker C) loader D) compiler C) none of these.

two qs were on o/p of program in c based on loop & static, auto, extern classes

three easy qs were based on simple h/w knowledge regarding cpu, motherboard, memory

regards, chemps