IBM Placement Paper 2010:-

Written Test:-

1. If x,y,z are the marbles initially with A,B,C respectively.Then the number of marbles B have at the end

(a) 2(x-y-z)(b) 4(x-y-z)(c) 2(3y-x-z)(d) x + y-z

Ans. (c)

2.  If the total number of marbles are 72, then the number of marbles with A at the starting(a) 20(b) 30(c) 32(d) 39

Ans. (d)

3. If a car starts from A towards B with some velocity. Due to some problem in the engine after traveling 30km, the car goes with 4/5 th of its actual velocityThe car reaches B 45 min later to the actual time. If the car engine fails after traveling 45km, the car reaches the destination B 36min late to the actual time What is the initial velocity of car and what is the distance between A and B in km

Ans. 20 & 130.

4. A person has Rs 100/- in his pocket, he can as 25 pencils or 15 books. He kept 15% of the money for traveling expenses and purchased 5 pencils. So how many books he can purchase with the remaining money.

5. Ten questions on analogies.eg: chief : tribe :: governer : stateepaulette : shoulder :: tiara : headguttural : throat :: gastric : stomachinept : clever :: languid : activeknife : butcher ::hammer : carpenter ::

6. The values of shares (in Rs).of A, B and C from January to June are as follows.Month A B CJanuary 30 60 80February 35 65 85March 45 75 65April 40 75 82May 55 75 85June 50 75 80

i) During this period which share has undergone maximium fluctuation?ii) In which month it is possible to buy B and C selling A?iii) In which month the share values are very low?iv) By purchasing one share of A and 4 each of B and C in the beginning of the period,when should these be sold to get maximum profit?

7. In a computer institute 9 languages can be taught. The module is of 6 months duration and of the six languages only one can be taught each month . In addition to that BASIC is always taught and should be in first month itself

WORD PERFECT is to be taught in the preceding week of WORD STAR. FORTRAN can not be taught until COBOL is taught prior to that BINO, FIFO can never be taught in single module languages are BASIC, WORD STAR, WORD PERFECT, FORTRAN, COBAL, BINO, FIFO, LOTUS, C

i) If word star is in 3rd month , what could be in 6th month.ii) If COBAL is in the 2nd month and BINO in 6th month. FORTRAN will be taught in which month.

8. In a class, except 18 all are above 50 years. 15 are below 50 years of age. How many people are there

(a) 30(b) 33(c) 36(d) none of these.

Ans. (d)

9. A square plate of some size is cut at four corners. Equal squares of the same size are cut and is formed as open box.If this open box carries 128 ml of oil. What is the size of the side of the plate?

(a) 17(b) 14(c) 13(d) None of these

10. In a square, all the mid points are joined. The inner square is shaded.If the area of the square is A, what is the area of the shaded area?

11. Two questions on basic angles i.e given a circle, a few chords or diameter is drawn etc.

12. If the following statements are given

@(a,b)= (a+b)/2/(a,b)= a/b*(a,b)= abIf a=1, b=2 then find

i) /(a,(@(a,b),*(a,b)))

ii) */(a,@(*(a,b)))

13. If the following statements are given

(x#y) = x + y- xy(x*y) = (x + y)/2i) Find the values of x, y will satisfy this equation (x#y)#(x*y) < (x#y)ii) Find the values of x, y will satisfy this equation (a*b)#(b*c)< (a#b)*(b*c)

14. Export PS1 results in(PS1 pwd)

a) primary prompt being your current directoryb) primary prompt and secondary prompts being the current directoryc) primary prompt prompt being your home directoryd) primary prompt and secondary prompts being the home directorye) None of the above.

15. If you type in the command nohup sort employees > list 2 > error out & and log off ,the next time you log in, the output will be

a) in a file called list and the error will de typed in a file error outb) there will be no file called list or error outc) error will be logged in a file called list and o/p will be in error outd) you will not be allowed to log ine) none of the above

16. In UNIX a files i-node ......?

Ans. Is a data structure that defines all specifications of a file like the file size,number of lines to a file, permissions etc.

17. The UNIX shell ....

a) does not come with the rest of the systemb) forms the interface between the user and the kernalc) does not give any scope for programmingd) deos not allow calling one program from with in anothere) all of the above

Ans. (b)

18. enum number { a= -1, b= 4,c,d,e}What is the value of e ?(a) 7(b) 4(c) 5(d) 15(e) 3

19. The very first process created by the kernal that runs till the kernal process is halts is

a) initb) gettyc) both (a) and (b)d) none of these

Ans. (a)

20. Output of the following program ismain(){int i=0;for(i=0;i<20;i++){switch(i)case 0:i+=5;case 1:i+=2;case 5:i+=5;default i+=4;break;}printf("%d,",i);}}

a) 0,5,9,13,17b) 5,9,13,17c) 12,17,22d) 16,21e) Syntax error

Ans. (d

21. What is the output in the following programmain(){char c=-64;int i=-32unsigned int u =-16;if(c>i){printf("pass1,");if(cprintf("pass2");elseprintf("Fail2");}elseprintf("Fail1);if(iprintf("pass2");elseprintf("Fail2")}

a) Pass1,Pass2b) Pass1,Fail2c) Fail1,Pass2d) Fail1,Fail2e) None of these

Ans. (c)

21. In the process table entry for the kernel process, the process id value is(a) 0(b) 1(c) 2(d) 255(e) it does not have a process table entry

Ans. (a)

22. Which of the following API is used to hide a windowa) ShowWindowb) EnableWindowc) MoveWindowd) SetWindowPlacemente) None of the above

Ans. (a)

23. What will the following program do?void main(){int i;char a[]="String";char *p="New Sring";char *Temp;Temp=a;a=malloc(strlen(p) + 1);strcpy(a,p); //Line number:9//p = malloc(strlen(Temp) + 1);strcpy(p,Temp);printf("(%s, %s)",a,p);

free(p);free(a);} //Line number 15//

a) Swap contents of p & a and print:(New string, string)b) Generate compilation error in line number 8c) Generate compilation error in line number 5d) Generate compilation error in line number 7e) Generate compilation error in line number 1

Ans. (b)

24.The commands like cat, date are stored in___________ directory:a)/dev,b)/temp,c)/prog

25.The attribute of one table is used as the key address of another table. this kind of address is calleda) foreign addressb) primary addressc) secondary address

5.A container contains pure milk. if 20% is replaced by water and then the same processes is repeated twice then what will b the % of milk remaining?

26.A can fill a tank in 6 hours and B can fill the tank in 4 hours. if both the pipes are opened alternatively for an hour with A as the first then in how many hours will the tank b filled?

27.In 50 coins 1 is defective (more weight) .in how many weighs can u find the defective coin?

28.In a km race A beats B by 28metres or 7 sec. find A’s time over the course?

29. Which one of the following is not related with files?

A. fopenB. fcloseC. freopnD. fftellE. none

Ans: D

30. Which one of the following is not a keyword?

A. volatileB. incC. sizeofD. defaultE. none

Ans : B

31. Writing comments

A. Increases .exe file size.B. Is a good programming practice.c. Takes more compilation time.

Ans : B.Is a good programming practice.

32. Convert the following decimal number into Hex number... 10767

Ans : 2A0Fh

33. Vector processing means

Ans : Processing the column vector elements parallelly.

34. Constant member function can be loaded with

A. Constant member function.B. Static member function.C. Cannot be overloaded.

Ans : C. Cannot be overloaded.

35. By using which of the following functions, we can access the members of the two instances of a same class

A. Member function.B. Friend functionC. Both A and B.D. Neither A nor B.E. none.

Ans : C. 

36. Exception specification is in c++ to provideA. DocumentationB. Object oriented nessC. Error handling

Ans : c

37. Which one of the following is a parse generator?

A. YaCCB. LexC. ViD. EmacE. none

Ans : YaCC

38. In a communication model, we can communicate in both directions, but only one at a time. So the system is called

A. SimplexB. Half duplexC. Full duplexD. none.

Ans : Half duplex

39. In 1978, a kg of paper was sold at Rs25/-.If the paper rate increases at 1.5% more than the inflation rate which is 6.5% a year, then what wil be the cost of a kg of paper after 2 years? 

(a) 29.12 (b) 29.72 (c) 30.12 (d) 32.65 

(e) none of these 

40. In A,B,C are having some marbles with each of them. A has given B and C the same number of marbles each of them already have.Then, B gave C and A the same number of marbles they already have.Then C gave A and B the same number of marbles they already have.At the end A,B,and C have equal number of marbles.  (i) If x,y,z are the marbles initially with A,B,C respectively. Then the number of marbles B have at the end 

(a) 2(x-y-z) (b) 4(x-y-z) (c) 2(3y-x-z) (d) x + y-z 

Ans. (c)  

Category IT

SubCategory Placement Papers

Location Bangalore

Company IBM

About IBM:-

IBM has been present in India since 1992. IBM India's solutions and services span all major industries including financial services, healthcare, government, automotive, telecommunications and education, among others. As a trusted partner with wide-ranging service capabilities, IBM helps clients transform and succeed in challenging circumstances. The diversity and breadth of the entire IBM portfolio of research, consulting, solutions, services, systems and software, uniquely distinguishes IBM India from other companies in the industry.

IBM India has clearly established itself as one of the leaders in the Indian Information Technology (IT) Industry - and continues to transform itself to align with global markets and geographies to grow this leadership position. Widely recognised as an employer of choice, IBM holds numerous awards for its industry-leading employment practices and policies.

Working at IBM - Why should i Join IBM?:-

IBM offers competitive benefits, as well as an industry-leading practice of performance-based bonuses for all employees. It believe that global innovation demands diverse employees and attractive work/life initiatives that sustain, and retain, them. IBM gives you the power to design your workday, and your life, according to your unique styles and needs.  

BM Placement Paper 2011:-

Writen Test:-

1. like 3 consecutive prime adds to some no what is that

Ans:- both 49 and 59.

2. one person travlled 4 laps with the speed of 10,20,40 ( or 30) and 60 kmph and what is the average speed.

Ans:- 20 (sure)

3.like one student takes 20 mins if he go with speed 15kmph and at what speed he should go to reach in 15 mins ( nos are not same)

Ans:- 16kmph( but not sure)

4.like from height of 8 mts on ball fell down and each time it bounces half the distance back. so what will be the distance travelled

Ans:- 24 (sure) like 8+4+4+2+2+1+1+0.5+0.5+ and etc .. answer is not 20

5. like 6 cubes are arranged adjacently and given the perimeter and asked to find the perimeter of one cube.

Ans:- if x is the total perimeter then (x/14)*4 leads to the answer. but check it once u will be having plenty of time. answer is 52 (13*4)

6.Some data is given like this 10kmph in still water ship took some x mins and downstream some y mins in same time what is the stream value .... (q is not exat)

Ans:- 3 (not sure)

7. Ssome average problem like 16 students average weight and teacher joins them ....

Ans:- 23 (sure) do this (16x+40)/(x+1) will give the value.

8. Some problem on square like to increase area by 69% by what percent side should be increased

Ans:- square root of 169 i.e 13 ( not sure)

9. No of rational nos b/w 0 and 5

Ans:- infinite

10. First day of 1999 is Sunday what day is the last day

Ans:- Monday

11. Bullets probel some x no of bullets are shared by 3 people equally . and each fired 4 bullets then the sum of remaining bullets is equal to intially divsion value

Ans:- 18 

12. Bread problem, one come and eat half no of breads and somthing...

Ans:- 63( check it )

13.Like A can do in 6 day and B can do in 8 and C can do in 12 days but b left after working for 6 days for how many no of day A and C shluld work

Ans:- 11

14. Which sorting techniques is best for already sorted array...?. 

Ans: bubble sort 

15. Decimal to octal conversion problem?

Ans A 

16. Difference between 0123 and 123 in c 

Ans : 40 

17. which 3 consequtive prime numbers gives the total 

Ans: 49 (13,17,19) 

18. Rational numbers between 1 and 5     1. 3     2. 2     3. 0     4. Infinite (Ans)     5. Finite. 

19. .A cube of 3 unit has 6 surface is painted. If u cut the cube of 1 unit each how many cubes remain unpainted on all sides. 

Ans: 1 

20. One questions in profit and loss a person sold an article at Rs.141 at 6% loss,to gain a profit of 10% at what price the article should be sold. 

Ans. 165 

21. If person 20 min at 12 kmph. then how many Kmph in 15 minutes 

Ans.16 

22. Three person shared bullets equally. 4 were shot total no of bullets remaining is equal to the no of bullets initially divided 

Ans : 18 

23. 1st day of the year 1999 is sunday and what will be last day of the same year 

Ans: Sunday 

24. 4 thieves entere a bakery and stoled bread one after the other.Each one took half of the total number of breads+half a loaf.If 3 breads were remaining what is the total number of breads. 

25. If a ball is dropped from 8ft and it bounces half the height each time. Then the total distance travelled 

Ans.24 

6 squares of equal size are placed side by side to form a rectangle whose perimeter is 182. find the perimeter of the

single square. 

Ans 52 

26. The average age of students in a class is 16.when a teacher of age 40 is added , the average becoems 17. what is the total number of students 

Ans.23

27. Which of the following has the function scope?

A. AutomaticB. StaticC. GlobalD. Goto labelE. All the above

Ans : E.

6. Rom is

Ans : non Volatile, cannot be changed and it contains boot up program.

28. How many different binary trees can be formed by 4 nodes?

Ans : 12 Note:(2 power n) – nJagan- ans: 14 (quetion 25 in 191 page)

For 3 nodes ans is 5.

29. char *p = (char *)10 meansA.It points to the value at address 10.B.It returns the character whose ASCII value is 10.

Ans : A

30. Running time of a function f(n)=8T(n/2)+qn for n>1, where q is a constant...

Ans : n power 3. (Check the answer)-correct

31. Order of Bubble sort

Ans : O(n power 2)

(ii) If the total number of marbles are 72, then the number of marbles with A at the starting

(a) 20(b) 30(c) 32(d) 39Ans. (d)

32. If a car starts from A towards B with some velocity.Due to some problem in the engine after travelling 30km, the car goes with 4/5 th of its actual velocity.The car reaches B 45 min later to the actual time.If the car engine fails ofter travelling 45km, the car reaches the destination B 36 min late to the actual time.What is the initial velocity of car and what is the distance between A and B in kmAns. 20 & 130.

33. A person has Rs 100/- in his pocket, he can as 25 pencils or 15 books.He kept 15% of the money for travelling expenses and purchased 5 pencils.So how many books he can purchase with the remaining money.

34. Ten questions on analogies.

E.g. : chief : tribe :: governer : state epaulette : shoulder :: tiara : head guttural : throat :: gastric : stomach inept : clever :: languid : active knife : butcher :: hammer : carpenter ::

35. The values of shares (in Rs).of A, B and C from January to June are as follows.Month A B CJanuary 30 60 80February 35 65 85March 45 75 65April 40 75 82May 55 75 85June 50 75 80

i) During this period which share has undergone maximium fluctuation?ii) In which month it is possible to buy B and C selling A?iii) In which month the share values are very low?iv) By purchasing one share of A and 4 each of B and C in the beginning of the period, when should these be sold to get maximum profit?

36. In a computer institute 9 languages can be taught.The module is of 6 months duration and of the six languages only one can be taught each month.In addition to that BASIC is always taught and should be in first month itself.

? WORD PERFECT is to be taught in the preceeding week of WORD STAR.? FORTRAN can not be taught until COBAL is taught prior to that.? BINO, FIFO can never be taught in single module.

Languages are BASIC, WORD STAR, WORD PERFECT, FORTRAN, COBAL, BINO, FIFO, LOTUS, C.i) If word star is in 3rd month , what could be in 6th month.ii) If COBAL is in the 2nd month and BINO in 6th month. FORTRAN will be taught in which month.

37. In a class, except 18 all are above 50 years.15 are below 50 years of age. How many people are there?

(a) 30(b) 33(c) 36(d) none of these.Ans. (d)

38. A square plate of some size is cut at four corners. Equal squares of the same size are cut and is formed as open box.If this open box carries 128 ml of oil. What is the size of the side of the plate?

(a) 17(b) 14(c) 13(d) None of these

39. In a square, all the mid points are joined. The inner square is shaded. If the area of the square is A, what is the area of the shaded area?

40. If the follwoing statements are given

? @(a,b)= (a+b)/2? /(a,b)= a/b? *(a,b)= ab

If a=1, b=2 then find

i) /(a,(@(a,b),*(a,b)))ii) */(a,@(*(a,b)))

nuary 2011 IBM Placement Paper:-

1. In the case of a 70 MHz 1F carries for a transponder band width of 36 MHz; energy must lie between – MHz.

a.) 34 and 106b.) 52. And 88c.) 106 and 142d.) 34 and 142

2. Radar used to eliminate clutter in navigational application is –

a.) Pulse radarb.) Tracking radarc.) MTI radard.) Mono pulse radar

3. The 1.55 mm windows is not yet in use with fiber optic systems because –

a.) The attenuation is higher than at 0.85 mmb) The attenuation is higher than at 1.3mmc.) Suitable laser devices have not yet been developedd.) It does not lend itself to wavelength multiplexing

4. Pre-emphasis in FM systems involves-

a.) Compression of the modulating signalb.) Expansion of the modulating signalc.) Amplification of lower frequency components of the modulating signal.d.) Amplification of higher frequency components of the modulating signal.

5. In a terrestrial microwave system transmission of signals is achieved through-

a.) reflection from the ionosphereb.) line of sight modec) reflection from the groundd.) diffraction from the stratosphere.

6. Casse grain feed is used with a parabolic reflector to

a.) increase the gain of the systemb). increase the bandwidth of the systemc.) reduce the size of the main reflectord.) allow the feed to be placed at a convenient point.

7. In most microwave communication link rain drop attenuation is caused due to-

a.) scattering of microwaves by water drops of specific size.b) scattering of microwaves by a collection of droplets acing as a single body.c.) absorption of microwaves by water and consequent heating of the liquidd.) absorption of the microwaves by water vapor in the atmosphere.

8. When a (75 – j40)W load is connected to a coaxial line of Z0 = 75 W at 6MHz then the load matching on the line can be accomplished by connecting-

a.) A short – circuited stub at the loadb.)An inductance at the loadc. )A short circuited stub at a specific distance from the loadd.)none of the above

9. When a signal of 10 mV at 75 MHz is to be measured then which of the following instruments can be used –

a.) VTVMb.) Cathode ray oscilloscopec.) Moving iron voltmeterd.) Digital multimeter

10. Amplifier of class B has high theoretical efficiency of 78.5 percent because-

a.) It is biased almost to saturationb.)Its quiescent current is lowc.)It’s output is an exact replica of it’s inputd.)It is biased well below cut off

11. If you type in the command nohup sort employees > list 2 > error out & and log off ,the next time you log in, the output will be

a) in a file called list and the error will de typed in a file error outb) there will be no file called list or error outc) error will be logged in a file called list and o/p will be in error outd) you will not be allowed to log ine) none of the above

12. In UNIX a files i-node ......?

Ans. Is a data structure that defines all specifications of a file like the file size,number of lines to a file, permissions etc.

13. The UNIX shell ....

a) does not come with the rest of the systemb) forms the interface between the user and the kernalc) does not give any scope for programmingd) deos not allow calling one program from with in anothere) all of the above

Ans. (b)

14. enum number { a= -1, b= 4,c,d,e}What is the value of e ?

(a) 7(b) 4(c) 5(d) 15(e) 3

15. The very first process created by the kernal that runs till the kernal process is halts is

a) initb) gettyc) both (a) and (b)d) none of these

Ans. (a)

16. Output of the following program ismain(){int i=0;for(i=0;i<20;i++){switch(i)case 0:i+=5;case 1:i+=2;case 5:i+=5;default i+=4;break;}printf("%d,",i);}}

a) 0,5,9,13,17b) 5,9,13,17c) 12,17,22d) 16,21e) Syntax error

Ans. (d

17.  What is the output in the following programmain(){char c=-64;int i=-32unsigned int u =-16;if(c>i){printf("pass1,");if(cprintf("pass2");elseprintf("Fail2");}elseprintf("Fail1);

if(iprintf("pass2");elseprintf("Fail2")}

a) Pass1,Pass2b) Pass1,Fail2c) Fail1,Pass2d) Fail1,Fail2e) None of these

Ans. (c)

18. The coupling that produces minimum interference with frequency response is-

a.) Direct couplingb.)Impedance couplingc.) R C couplingd.)Transformer coupling

19. superconductor is a –

a.) A material showing perfect conductivity and Meissner effect below a critical temperatureb.) A conductor having zero resistancec.) A perfect conductor with highest di-magnetic susceptibilityd.) A perfect conductor which becomes resistance when the current density through it exceeds a critical value

20. When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF capacitor then the self capacitance of the inductor would be –

a) 8.05 pFb) 10.05pFc.) 16.01pFd.) 20.01pF

14. The Q of a radio coil –

a.) is independent of frequencyb.) increases monotonically as frequency increasesc.) decreases monotonically as frequency increasesd.) increases upto a certain frequency and then decreases beyond that frequency

15. When a generator of internal impedance and operating at 1GHz feeds a load via a coaxial line of characteristic impedance 50 ohm then the voltage wave ratio on the feed line is –

a.) 0.5b.) 1.5c.) 2.5d.) 1.75

16. The coding system typically used in digital telemetry is –

a.) PPM (pulse position modulation)b.) PAM (pulse amplitude modulation)c.) PCM (pulse code modulation)d.) PDM (pulse duration modulation)

17. Radiation pyrometers are used for the measurement of temperature in the range of –

a.) -2000C to 5000Cb.) 00C to 5000Cc.) 5000C to 12000Cd.) 12000C to 25000C

18. RF amplifier of an A.M. receiver is normally biased in –

a.) Class 'A'b.) Class 'b'c.) Class 'C'd.) None

19. The value of gate voltage for the operation of enhancement of only N channel MOSFET has to be –

a.) High positiveb.) High negativec.) Low positived.) Zero

20 .Consider the following expressions indicating the step or impulse response of an initially relaxed control system-

1. (5 – 4e-2+) u(t)2. (e-2t +5) (u(t))3 .V(t) + 8e-2t u(t)4 . V(t) + 4e-2t 4(t)

21. . In a square, all the mid points are joined. The inner square is shaded.If the area of the square is A, what is the area of the shaded area?

11. Two questions on basic angles i.e given a circle, a few chords or diameter is drawn etc.

12. If the following statements are given

@(a,b)= (a+b)/2/(a,b)= a/b*(a,b)= abIf a=1, b=2 then find

i) /(a,(@(a,b),*(a,b)))

ii) */(a,@(*(a,b)))

13. If the following statements are given

(x#y) = x + y- xy(x*y) = (x + y)/2i) Find the values of x, y will satisfy this equation (x#y)#(x*y) < (x#y)ii) Find the values of x, y will satisfy this equation (a*b)#(b*c)< (a#b)*(b*c)

14. Export PS1 results in(PS1 pwd)

a) primary prompt being your current directoryb) primary prompt and secondary prompts being the current directoryc) primary prompt prompt being your home directoryd) primary prompt and secondary prompts being the home directorye) None of the above.