Placement Papers - IBM

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IBM Interview Experience - Kolkata, 7th Feb, 2013

Posted By : Fresher Like You Rating : +355, -7
Hello.

So you have an IBM drive really soon, and you are confused what to study and what to leave? I was just like you 10 days ago.

First of all, Thank you IndiaBix;  you are really helpful, and now I am doing my bit to help other freshers.

4 Rounds :

Round 1 : Aptitude " Consists of 2 parts : 18 questions on number series and 18 on maths questions.

Number series are really unusual here;  not the kind we see in R S Agarwal or TIME material.

The only way to get through is to do previous papers. But it's sad that extremely small number of people post the questions; people just forget about it after clearing it. Still, there are some previous papers  available on this site, and I'll post mine. Do them without fail.

For maths: again unusual questions. R S Agarwal of not much help. Study these topics : percentages, profit and loss, ratios and proportions, Time and speed, Time and distance. That's all. No need to do the whole book.

Now, coming to the main problem. There is a timer for each question. You have just 2 mins 15 secs to solve one problem. Then the next questions appears. You cannot go back to the previous one. Maths questions were not very tough; they were lengthy. Lots of calculations. Lengthy questions.
You can use the system calculator.

The good part is that cut-off is not very high. If you do 20/36 ques correctly you are through. Guys, maths part is really tough to score. I could do just 5-6/18 correctly. You have to make it up with the series questions. Practise lots of series questions. (books are not going to help, because IBM gives weird series).

Round 2 : English Test. 22 ques/20 mins. ( no individual timer for each ques).

This will be a cake-walk if your English is good. Perhaps the only preparation required is, study about punctuation marks; where to use semi colon, comma,etc.

Rest were ordinary questions; Which one is in active voice/passive voive, Which sentence is gramatically correct, which one is suitable for business letters, like dat. Really simple. Don't worry about this round.

Round 3 : GD.

My topic was Modern gadgets, video games hampering child growth. 2 mins to gather your thoughts, then, each was given one minute time to speak on it. Last 3 mins open discussion.
Key to clear this round- SPEAK! Your pronunciation should be good;  You should be fluent in English.

Round 4 : Interview.

Mostly HR questions + projects + logical puzzles.
In addition to it, I was asked about sorting/searching.

You will be given situations like suppose you are doing this, stuck in such a situation, what would you do, how would you do. They want logical answers from you.
HR questions like introduce yourself, strengths, weaknesses, challenges faced in life, summarize last ten years of your life, achievements, why IBM, why should we hire you, etc.

Have a good question in your mind, they might ask " do you want to ask something, ask a good question  that can leave a good impression, for example, how was my interview, where should I improve, what should I prepare before joining, etc.

IBM is really systematic. Result was announced in half an hour. I became an IBMer. What a proud moment! Package 3.4 LPA. They might be offering more to the NITians.

Enough of talking. Now the series questions I got. I kept this rough sheet with me all throughout the process, because I wanted to post them here :).

1) .7 , 1.2, 1.2 , 2.2 , 1.7, 3.2, 2.2, 4.2 , ?
.7+.5=1.2+.5=1.7 ans 2.7

2) 81, 9^2, 162, 49, 7^2, 98, 25, 5^2, 50, 64, 8^2 ?
81*2=162  so,ans = 64*2= 128

3) 1, 1, 2, 4 , 6, 36, 39, 1521, ?
1+1=2
4+2=6
36+3=39
1521+4= 1525 (ans)

4) 2, 3, 10, 15, 26, 35,50, ?
5) 2, 8, 3, 27, 4, 64, 5, 125, 6, 216, ?
See alternate no.s -> 2, 3, 4.ans=7

6) 2, 3, 6, 13, 28, ?
*2-1, *2+0, *2+1.ans= 28*2+3= 59

7) 38, 36, 76, 35, 114, 34, ?
Alternate -> 38+38=76
                      76+38=114
                      114+38=152 (ans)

8) 1/5, 1/2, 1/3, 2/5 , 1, 2/3,3/5, 3/2, 1, 4/5, ?
Alternate starting with 1/2 ; skip 2 and � -> 1/2, 1, 3/2 , 2 (ans =2)

9) 96, 64, 128, 192, 128, 256, 288, 192, ?
Break such questions like this (96, 64, 128,) (192, 128, 256,) (288, 192, ?)
First*2=second set\'s numbers. First*3= third set. Ans=128*3

10) 1370, 1320, 1070, -180, ?
difference -> -50, -250, -1250 -> 50*5, 250*5, next will be -1250*5

11) 3, 2, 1, 4, 5, 4, 5, 1, 0, 6, 3, 2, ?
3,( 2, 1), 4,( 5, 4), 5, (1, 0), 6, (3, ?) second term one less . so ans = 2

12) 1 1 1 2 2 2 3 4 3 3 5 6  ?
(1 1) 1 2 (2 2) 3 4 (3 3) 5 6 ? ans=4

13) 507, 169, 248, 62, 36, 12, 168, 42, 168 ?
(507= 169*3), 248, 62, (36=12*3), 168, 42, (168=x*3)-> x=56 (ans)

14) 7.2, 2.2, 3.2, 16, 11, 12, 60, 55, 56, ?
7.2 + 8.8= 16+ 44= 60 + 2.2= 62.2 (ans) [not sure abt answer]

15) 2, 6, 5, 14, 11, 26, 17 , ?
Alternate starting with first: +3 , +6 , +6
Now starting with second number: +8, +12 , +12 . so ans = 26+12

16) 115, 100, 86, 74, 65, 60, ?
Difference : 15, 14, 12,9, 5  Now difference of these : 1, 2, 3, 4, next 5
So 5-5=0
Ans=60-0=60

17) 8 5 9 7 2 25 5 1 16 8 6 ?
(8 -5=3 ) -> 3^2=9 (7-2=5)->5^2= 25 5 1 16 (8- 6=2) so answer 2^2=4

18) -5  1 -11 23 29 17  -20 -14 ?
-5  (1 -12=-11) 23 (29 -12=17)  -20 (-14 -12=-26) ans=-26

Thank you all those people who shared the series question and helped me clear the test. Hope my efforts help some one too :).
All the best,

See you at IBM.

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