Placement Papers - TCS

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Posted By : Sourav Kundu Rating : +10, -1
Hi Friends

I'm Sourav Kundu from TECHNO INDIA COLLEGE OF TECHNOLOGY. I'm from ECE dept. TCS recruitment team visited our campus on 10th and 11th MAY 2008. First day it was for CS & IT dept. and The last day was for ECE and EE.... Actually it was taken in their office at SALTLAKE, KOLKATA...... that was a individual campassing.  

Total candidates:236 (nearly)
Cleared written test:140
Finally selected: 58

The paper as usual consisted of 3 sections::
1) VERBAL (10 antonyms, 10 synonyms, fill in the blanks comprehension)
2) APTITUDE (38 questions)
3) CRITICAL REASONING (12 questions)


For syno.& anto. just go through their previous papers (GRE BARRON'S 12th edition will help u a lot for both)... i'm giving some examples :

Syno : claustrophobia, baneful, precarious etc.

Anto : fledgling, sumptuous, begrudge(for this part my suggestion is to go through all the anto given in BARRON exercise)

Comprehension: that was very easy, I have  done 6 sure out of 12. But others faced problem in solving dat part, as papers were different.

Section 2:

It was real scoring, everybody has solved at least 33 out of 38. I solved 30 correctly. Be very careful in solving dis part as u have to score .....

It was easy too. Just go through all the papers of previous years.. they will only change the data, that's it. We were informed 2 days ago, so  we did not have enough time.... I just solved the previous papers.. and succeeded. Here is the paper: (data are changed )

1)  Fill in the missing number in the sequence: 26,19,17,13,11,?,8,7

2)  In the following series, how many Ws are there such that each W is followed by an C next to it if the C is not followed by a S next to it?(like this, I can't remember mine)
W    C    W    S    Q    M    W    C    S    M    C    W    C    C    W    Q    M    W
W    C    Q    W    C    S    C    W    A     M   C    W    C    M
(a)3    (b)    5(c)6    (d)4    (e)7

3)  The three numbers in brackets represent the length of the sides of a triangle. Which of these does not represent a proper triangle?
(a)(2m,3m,4m)    (b)(1m,2m,4m)    (c) (3m,4m,5m) (d) (3m,3m,3m)          (e) (5m,3m,5m)  

4)  My flight takes off at 2am from a place at 18N 10E and landed 10 Hrs later at a place with coordinates 36N70W. What is the local time when my plane landed?
6:00 am b) 6:40am c) 7:40 d) 7:00 e) 8:00
Sol) The destination place is 80 degree west to the starting place. Hence the time difference between these two places is 5 hour 20 min. (=24hr*80/360).
When the flight landed, the time at the starting place is 12 noon (2 AM + 10 hours).
Hence, the time at the destination place is 12 noon - 5:20 hours = 6: 40 AM

5) A file is transferred from one location to another in 'buckets'. The size of the bucket is 10 kilobytes. Each bucket gets filled at the rate of 0.0001 kilobytes per millisecond. The transmission time from sender to receiver is 10 milliseconds per bucket. After the receipt of the bucket the receiver sends an acknowledgement that reaches sender in 100 milliseconds. Assuming no error during transmission, write a formula to calculate the time taken in seconds to successfully complete the transfer of a file of size N kilobytes.
(n/1000)*(n/10)*10+(n/100) i hv calculated...~~!not 100% sure

6)  If G(0) = -1 G(1)= 1 and G(N)=G(N-1) - G(N-2) then what is the value of G(6)?
ans: -1
bcoz g(2)=g(1)-g(0)=1+1=2

7)  A, B and C are 8 bit no's. They are as follows:
A -> 1 1 0 0 0 1 0 1
B -> 0 0 1 1 0 0 1 1
C -> 0 0 1 1 1 0 1 0 ( - =minus, u=union)
Find ((A - C) u B) =?
To find A-C, We will find 2's compliment of C and then add it with A,
That will give us (A-C)
2's compliment of C=1's compliment of C+1
Now (A-C) U B is .OR. logic operation on (A-C) and B
10001001 .OR . 00110011
The answer is = 10111011,
Whose decimal equivalent is 187

8)  The size of a program is N. And the memory occupied by the program is given by M = square root of 100N. If the size of the program is increased by 1% then how much memory now occupied ?
Sol) M=sqrt(100N)
N is increased by 1%
therefore new value of N=N + (N/100)
M=sqrt(100 * (101N/100) )
Hence, we get M=sqrt(101 * N)

9)  In two dimensional array X(7,9) each element occupies 2 bytes of memory. If the address of first element X(1,1) is 1258 then what will be the address of the element X(5,8) ? ans.1338

10)  The temperature at Mumbai is given by the function: -t2/6+4t+12 where t is the elapsed time since midnight. What is the percentage rise (or fall) in temperature between 5.00PM and 8.00PM?

11)  car is filled with four and half gallons of oil for full round trip. Fuel is taken 1/4 gallons more times in going than coming. What is the fuel consumed in coming up?

12)  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?

13)  what is the largest prime number in 8 digit number? (be careful bout dis type of ques they will surely give dis type of ques) What is d largest prime number that can be stored in a 9 – bit register?
Sol): 509(example)

14). Select the odd one out
a) a. SMTP b. WAP c. SAP d. ARP
b) a. Oracle b. Linux c. Ingress d. DB2
c) a. WAP b. HTTP c. BAAN d. ARP

15)  If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 10%. What will be the fuel economy if they were used combined

16)  Which of the following highest Standard deviation?
a).5,0,5,0,5,0 b) 5,5,5,5,5,5 c) 5,5,5,5,0,5 d) -5, 5, -5, 5,-5, 5
Sol): b

17)  A power unit is there by the bank of river of 750 meters width. A cable is made from power unit to power a plant opposite to that of the river & 1500 mts away 4m d power unit. The cost of cable below water is Rs 15/- per meter & cost of cable on the bank is Rs 12/-. Find d total cost of laying? (dis one is also very common )

18)  Which shape will be obtained by using these values of X & Y?
0 0.00001
10 1.02
100 1.72
1000 3.00
9999 4.72
Sol): Y= log10(X)

1. Mammal - cow ---> a. A type of
2. Snake - reptile ---> b. A part of
3. Roof - Building ---> c. Not a type of
4. Mushroom - Vegetables ---> d. A superset of
Sol): 1-c, 2-d, 3-b, 4-a

20)  Find d value of @@+25 - ++@16, where @ denotes “square” and + denotes “square root”?
Sol): 621(like dis)

21)  The size of a program is N. And the memory occupied by the program is given by M = square root of 100N. If the size of the program is increased by 1% then how much memory now occupied?
Sol): 0.5%

22)  Find the result of the following expression- M (363, 5) +R (5.8) +T (7. 7)-R (3.8) if, M denotes modules operation, R denotes round-off, T denotes truncations?
Sol): 19

23)  Find d unit of given expression - (momentum*velocity)/ (Acceleration*distance)?
Sol): Mass

24)  Which is not a side of triangle?
a) (2,3,6) b) (3,2,4) c) (3,4,5) d) (3,3,3)
Sol): b (dis type)

25)  What is the power of 4? 4096

26)  no.of vertices,edges, faces are given.which one among these best suits for the solid planner cube. i can't remember rest of ques. their r also bar graph,pie graph ques .... for this  R>S> agarwal is enough.

Section 3:
This was Critical Reasoning section: all from BARRON"S 12th ed.

model test3: 19-22 (hotel miramar)

model test2:17-22 (mr. Pest, foreman for BUDA const.)

there was another one I can't remember dat. I think it was not from BARRON... but dat one very easy too. i've done all of dem correctly...dat part was also very scoring....

{NOTE: In TCS I don't think u have to do a lot. u can prepare within 1 day, as I got.... very easy to crack in TCS if u cleared WRITTEN. in interview they will only see your confidence, your speaking ability, smartness, way of answring......... even if u can't ans their technical dat doesn't matter....... make sure dat u r confident. but u need not be worry bout dat, even if u r not confident dat time they will make u to feel confident. they are very "FRIENDLY"}

there were 2 interviewer.

me: good afternoon sir.
sir: plz have a sit.
me: thank u sir.
sir: sourav tell me bout yourself.
me: answered
sir:. (very impressed)

sir: sourav u have mentioned u r the only son of ur parents, so will they permit u to go out of kolkata?
me: answered.

they asked several more ques on HR

sir: what do u know about computer?
me: i was starting to tell about language but they want the basics of computer... den i told dat one

sir: (impressed) there were several more ques like: what is synchronigation?, dia of J-K flip flop,digital filter design,linked list etc

{NOTE: for ECE plz study the basics only. C, data structure are enough for us... plz make sure u r confidently ans every ques even if ur wrong just say with confident dat u r sure. they will prefer ur confidence rather than ur correct ans}

The result was declared 2 days latter. 58 students were selected. dat was the the best moment for me, as I was one of them......

from ECE 17 selected.

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