# Placement Papers - TCS

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### Tata Consultancy Services Interview Experience - Kolkata, 27th March, 2015

Posted By : Sagar Chowdhury Rating : +189, -4
Hi. I am Sagar Chowdhury, B.Tech in ELECTRONICS & INSTRUMENTATION ENG. from TECHNO INDIA COLLEGE OF TECHNOLOGY, NEW TOWN , RAJARHAT, KOLKATA.

It was 20th Feb for the TCS OFF CAMPUS for written test examination...!

In written exam there were two sections one is verbal and other is Arithmetic portions...
In verbal sections there we had to write an email writing and in arithmetic part there were several problems like series problem, Probability, train, profit & loss, Allegation ,etc...and some tricky problems... I remember one, two questions.

1. Here is 15 dots. If you select 3 dots randomly, what is the probability that 3 dots make a triangle?

a. 440/455.
b. 434/455.
c. 449/455.
d. 438/455.

Total ways of selecting 3 dots out of 15 is 15C3 = 455 If 3 dots are collinear then triangle may not be formed. Now look at the above diagram.

If we select any 3 dots from the red lines they may not form a triangle. They are 5 x 5C3 = 50.  If we select the three letters from blue lines, they may not form a triangle.

They are in total 5 ways. Also there are 6 others lines which don't form a triangle.  Total = 50 + 5 + 6 = 61.  So we can form a triangle in 455 - 61 = 394. So answer could be 394/455.

2. In how many ways a team of 11 must be selected from 5  men and 11 women such that the team must comprise of not more than 3 men?

Answer: The team may consist of 0 men + 11 women, 1 men + 10 women, 2 men + 9 women, or 3 men + 8 women.

So Number of ways are = 11C11+5C1x11C10+5C2x11C9+5C3x11C8 = 2256.

3. Eesha bought 18 sharpeners for Rs.100.  She paid 1 rupee more for each white sharpener than for each brown sharpener.  What is the price of a white sharpener and how many white sharpener did she buy ?

a. Rs.5, 10
b. Rs.6, 10
c. Rs.5, 8
d. Rs.6, 8

Sol: B.

Explanation:

Just check the options. If she bought 10 white sharpeners at Rs.6 per piece, She has spent Rs.60 already.

And with the remaining Rs.40, she bought 8 brown sharpeners at 40/8 = Rs.5 which is Rs.1 less than White sharpener.

4. On a 26 question test, five points were deducted for each wrong answer and eight points were added for each correct answer.

If all the questions were answered, how many were correct, if the score was zero ?

a. 10
b. 12
c. 11
d. 13

Ans: A

Explanation:

Take options and check. If 10 are correct, his score is 10 x 8 = 80.  But 16 are wrong. So total negative marking is 16 x 5 = 80. So final score is zero.

5. If f(f(n))+f(n)=2n+3 and f(0)=1, what is the value of f(2012)?

a) 2011
b) 2012
c) 2013
d) 4095

Ans: Option C.

6.   1(1!)+2(2!)+3(3!)....2012(2012!) = ?

Ans: 2013!-1

1(1!)=1  => 2!-1
1(1!)+2(2!)=1+4=5 => 3!-1
1(1!)+2(2!)+3(3!)=1+4+18=23 => 4!-1
........................
.......................
1(1!)+2(2!)+3(3!)+........+2012(2012!)=>2013!-1.

7.  A cow and horse are bought for Rs.2,00,000. The cow is sold at a profit of 20% and the horse is sold at a loss of 10%.  The overall gain is Rs.4000, the Cost price of cow?

a) 130000.
b) 80000.
c) 70000.
d) 120000.

Ans: Overall profit = 4000/200000x100=2%.

By applying alligation rule, we get
So cost price of the cow = 2/5 x 200000 = 80,000.

8.  Ahmed, Babu, Chitra, David  and Eesha each choose a large different number. Ahmed says, " My number is not the largest and not the smallest".

Babu says, "My number is not the largest and not the smallest". Chitra says, "My number is the largest".

David says, " My number is the smallest". Eesha says, " My number is not the smallest".  Exactly  one of the five children is lying. The others are telling the truth. Who has the largest number?

a) Eesha.
b) David.
c) Chitra.
d) Babu.

Ans: A.

9. A beaker contains 180 liters of alcohol. On 1st day, 60 l of alcohol is taken out and replaced by water.  2nd day, 60 l of mixture iss taken out and replaced by water and the process continues day after day. What will be the quantity of alcohol in beaker after 3 days.

Ans: 53.3.

These are the questions which I remembered some questions also coming from Geometry portion also (2 questions).

So after completing the apti test I am waiting for the apti result and I am confident this time and finally the apti result came in my gmail on 4th March. And after that I am practice for the interview part. And my interview date was 12th March.

So it is 12th MARCH...!!!!! The interview was held at Tata Consultancy Services, Gitanjali                      Park, IT/ITIS SEZ, Plot-II f/3, Action Area II, Newtown, Rajarhat, Block K.

We reached at that place at 8 a.m and there were a huge students came for this interview initially I was slightly frightened but I was always confident about my attitude.

At 12 p.m I was called up for interview and I am waiting outside the door of that room with my all relevant documents, CV, and TCS admit card and someone told me to enter the room.

Here we go...there were two person always smiling face greet me to sit on the chair...and I am also handshake both of duos and maintain a smiley face.

1st interviewer(slightly fat age probably 38) : - So, Sagar how much long you have been                         waiting for..?
Me:- sir, most probably 3-4 hours since from morning.

INTERVIEWER :- So, what are the subjects you have included in your CV ?
ME:- Sir, Sensors and transducers , C programming , Microproceesor.....

INTERVIEWER:- What is sensors..?
ME:- A sensor is a device that detects and responds to some type of input from the physical environment.

Interviewer :- Can you give me some real life example ..?
ME:- I explained him some real life example (One is our touch screen mobile phone, )

Here I got a chance to revenge the mood of interviewer I told him that my final year project also deals with the concept of sensors & transducers( my final year project is AUTOMATIC WATER LEVEL CONTROL USING MICROCONTROLLER ) ...

Here the second interviewer slightly curious and he told me to explain it...
Then the Fat interviewer told me that did you know C programming..?

ME: - Smiled and said, Sir I would be really blunt but I am not that good in programming as I am not good in C as I could not revise C completely in only 3 days after when I received the interview date. So I am not that good in it at this time.

SIR: I like that honesty. But Can you give me the logic of prime number of C prog.?
ME:- yes sir.. I know a little bit ( I told them remainder method to check ano...blah..blahh).

SIR:- Why TCS ...?
ME:-  TCS is a MNC that though is a huge organisation, it nurtures and allows fresh talent to grow and contribute to the growth of the company, but help me in being a part of the growth of the company...

SIR: Well, it is a compliment. So what is a Diode.
ME:- I told them the definition of diode..

SIR:- What is the Microproceesor..?
ME:- Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and executes the instructions.

SIR:- OK, Sagar one more question for you. what is your hobby..?
ME:- Sir , I would like to play cricket and a football...! And I am a big fan of Sachin Tendulkar.. :)

Sir:- Finally they said its ok its all over you can wait for your HR INTERVIEW ...
ME:- I Also smiled on them and left the room before with the  same smiley and a firm handshake..!!

After 1 hour I was once called up for HR interview.

SIR:- Can you introduce yourself sagar..?
Me:- I introduced once again.

Sir:- Why TCS ( Same question asked me on Tech int)
Me:- I told them..

SIR:-  Any problem if you get relocated?
ME: NO sir..

SIR: Who do you have in your family?
ME: Told.

SIR:- We'll get your Back ground checked.
ME:- OK SIR no problem.

SIR:- Are your marks exact as your offer letter may get cancelled if your marks are wrong?
ME:- I have already checked it very carefully..

SIR:- Do you know about the Bond.
ME:- I know its a two year contract deal.

SIR: Alright SAGAR, it was really good to talk to you.
ME: Same here sir, it was pleasure to have an interviewer like you.

Sir:- Thanks Rahul. You can leave for the day.
Me:- finally once again I leaving the room with a firm handshake and a cute smile... :).

Now I was looking for the positive result....Finally on 27th March I got a mail for the final selection process of TCS OFF CAMPUSS....

Now on that moment I was feeling on cloud nine....!!!!  And now I am really happy to have my first job.

Ok guys thats it..!!!