Wipro placement paper

Hello sir , here I am looking for Wipro placement paper
So can you plz give this paper ??

[Quick Sam]

As you are looking for Wipro placement paper , so on your demand I am providing same:

1.When a bicycle is in motion,the force of friction exerted by the ground on the two wheels is such that
it acts

(a) In the backward direction on the front wheel and in the forward direction on the rear wheel.
(b) In the forward direction on the front wheel and in the backward direction on the rear wheel.
(c) In the backward direction on both the front and rear wheels.
(d) In the backward direction on both the front and rear wheels.

Ans. (d)

2. A certain radioactive element A, has a half life = t seconds.
In (t/2) seconds the fraction of the initial quantity of the element so far decayed is nearly

(a) 29%
(b) 15%
(c) 10%
(d) 45%

Ans. (a)

3. Which of the following plots would be a straight line ?

(a) Logarithm of decay rate against logarithm of time
(b) Logarithm of decay rate against logarithm of number of decaying nuclei
(c) Decay rate against time
(d) Number of decaying nuclei against time

Ans. (b)

4. A radioactive element x has an atomic number of 100.
It decays directly into an element y which decays directly into element z.
In both processes a charged particle is emitted.
Which of the following statements would be true?

(a) y has an atomic number of 102
(b) y has an atomic number of 101
(c) z has an atomic number of 100
(d) z has an atomic number of 101

Ans. (b)

5. If the sum of the roots of the equation ax2 + bx + c=0 is equal to the sum of the squares of their
reciprocals
then a/c, b/a, c/b are in

(a) AP
(b) GP
(c) HP
(d) None of these

Ans. (c)

6. A man speaks the truth 3 out of 4 times.
He throws a die and reports it to be a 6.
What is the probability of it being a 6?

(a) 3/8(b) 5/8
(c) 3/4
(d) None of the above

Ans. (a)

7. If cos2A + cos2B + cos2C = 1 then ABC is a

(a) Right angle triangle
(b) Equilateral triangle
(c) All the angles are acute
(d) None of these

Ans. (a)

8. Image of point (3,8) in the line x + 3y = 7 is

(a) (-1,-4)
(b) (-1,4)
(c) (2,-4)
(d) (-2,-4)

Ans. (a)

9. The mass number of a nucleus is

(a) Always less than its atomic number
(b) Always more than its atomic number
(c) Sometimes more than and sometimes equal to its atomic number
(d) None of the above

Ans. (c)

10. The maximum KE of the photoelectron emitted from a surface is dependent on

(a) The intensity of incident radiation
(b) The potential of the collector electrode
(c) The frequency of incident radiation
(d) The angle of incidence of radiation of the surface

Ans. (c)

11. Which of the following is not an essential condition for interference

(a) The two interfering waves must be propagated in almost the same direction or
the two interfering waves must intersect at a very small angle
(b) The waves must have the same time period and wavelength
(c) Amplitude of the two waves should be the same
(d) The interfering beams of light must originate from the same source

Ans. (c)

12. When X-Ray photons collide with electrons

(a) They slow down
(b) Their mass increases
(c) Their wave length increases
(d) Their energy decreases

Ans. (c)

13. An electron emits energy

(a) Because its in orbit
(b) When it jumps from one energy level to another
(c) Electrons are attracted towards the nucleus
(d) The electrostatic force is insufficient to hold the electrons in orbits

Ans. (b)

14. How many bonds are present in CO2 molecule?

(a) 1
(b) 2
(c) 0
(d) 4

Ans. (d)

15. In a balanced chemical equation

(a) Atoms are conserved
(b) Molecules are conserved
(c) Moles are conserved
(d) Reactant and product molecules are preserved

Ans. (a)

16. How many grams of NaOH will react with 0.2 equivalent of HCl?

(a) 0.59
(b) 0.285
(c) 1.18
(d) none of these

Ans. (a)

17. Which of the following is least acidic

(a) Ortho-cresol
(b) Para-cresol
(c) Phenol
(d) Meta-cresol

Ans. (b)

18. In Reimer-Tiemann's reaction, the reaction intermediate is

(a) Carbene
(b) Dichloro carbene
(c) Carbonion
(d) Carbonium ion

Ans. (b)

19. Which of the following is most acidic?

(a) C2H5OH
(b) CH3CHOHCH3
(c) Ethanol
(d) CH3OH

Ans. (b)

20.A catalyst

(a)always slows down the reaction
(b)always starts a rection that would not have ocurred at all otherwise
(c)causes changes in the rate of the reaction
(d)changes the quantities of the products formed

Ans. (c)

21.The rate of the first order reaction depends on the

(a) Concentration of the reactant
(b) Concentration of the product
(c) Time
(d) Temperature

Ans. (d)

22. The most abundant element in the universe is

(a) Hydrogen
(b) Helium
(c) Oxygen
(d) Silicon

Ans. (a)

23. Integrate 3x + 5 / (x3-x2-x+1)

(a) 1/2 log | (x+1)/(x-1) | - 4/(x-1)
(b) log |2+tanx|
(c) -(1+logx)/x
(d) 2 log|(tanx)/(tanx+2)

Ans. A

24. If y=cos-1(cosx + 4sinx)/(17)1/2, then dy/dx is

(a) 0
(b) 1
(c)-1
(d) none of these

Ans. (b)

25. If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6 .find the ratio of their 13th
terms

(a) 129/231
(b) 1/2
(c) 23/15
(d) None of the above

Ans. (a)

26. If the letters of the word "rachit" are arranged in all possible ways and these words are written
out as in a dictionary, what is the rank of the word "rachit".

(a) 485
(b) 480
(c) 478
(d) 481

Ans. (d)

27. Ravi's salary was reduced by 25%.Percentage increase to be effected to bring the salary
to the original level is

(a) 20%
(b) 25%
(c) 33 1/3%
(d) 30%

Ans. (c)

28. A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days.
In how many days will A alone finish the job

(a) 48
(b) 34 2/7
(c) 44
(d) 45

Ans. (a)

29. How long will a train 100m long travelling at 72kmph take to overtake another train
200m long travelling at 54kmph

(a) 70sec
(b) 1min
(c) 1 min 15 sec
(d) 55 sec

Ans. (b)

30. What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?

(a) 3/2
(b) 4
(c) 3
(d) 3/4

Ans. (a)

31. Which of the following parameters is the same for molecules of all gases at a given temperature?

(a) Mass
(b) Momentum
(c) Speed
(d) Kinetic energy

Ans. (d)

32. A solid is completely immersed in liquid. The force exerted by the liquid on the solid will

(a) Increase if it is pushed deeper inside the liquid
(b) Change if its orientation is changed
(c) Decrease if it is taken partially out of the liquid
(d) None of the above

Ans. (c)

33. Select the correct statements

(a) A simple harmonic motion is necessarily periodic
(b) An oscillatory motion is necessarily periodic
(c) A periodic motion is necessarily oscillatory
(d) All of the above

Ans. (a)

34. An elecrton is injected into a region of uniform magnetic flux density with the components
of velocity parallel to and normal to the flux.What is the path of the electron?

(a) Helix
(b) Parabola
(c) Circle
(d) Rectangle

Ans. (a)

35. A constant voltage is applied between the 2 ends of a uniform metallic wire.
Some heat is developed in it. The heat developed is doubled if

(a) both the length and radius of the wire are halved.
(b) both the length and radius of the wire are doubled
(c) the radius of the wire is doubled
(d) the length of the wire is doubled

Ans. (b)

36. If Young's double slit experiment is performed in water

(a) the fringe width will decrease
(b) the fringe width will increase
(c) the fringe width remains unchanged
(d) there will be no fringe

Ans. (a)

37. The shape of a spot of light produced when bright sunshine passes perpendicular
through a hole of very small size is

(a) Square, because the hole is a square
(b) Round, because it is an image of the sun
(c) Round with a small penumbra around it
(d) Square with a small penumbra

Ans. (b)

Select the alternative that logically follows from the two given statements.

38.Some forms are books

All books are made of paper
(a) Some forms are made of paper
(b) Some forms are not made of paper
(c) No forms are made of paper
(d) None of the above

Ans. (a)

39. All toffees are chocolatesSome toffees are not good for health

(a) Some chocolates are not good for health
(b) Some toffees are good for health
(c) No toffees are good for health
(d) Both (a) and (b)

Ans. (a)

The questions 40-46 are based on the following pattern.The problems below contain a question and two
statements giving certain data. You have to decide whether the data given in the statements are
sufficient for answering the questions.The correct answer is

(A) If statement (I) alone is sufficient but statement (II) alone is not sufficient.
(B) If statement(II) alone is sufficient but statement(I) alone is not sufficient.
(C) If both statements together are sufficient but neither of statements alone is sufficient.
(D) If both together are not sufficient.
(E) If statements (I) and (II) are not sufficient

40. What is the volume of a cubical box in cubic centimetres?

(I) One face of the box has an area of 49 sq.cms.
(II) The longest diagonal of the box is 20 cms.

Ans. D

41. Is z positive?

(I) y+z is positive
(II) y-z is positive

Ans. E

42. Is x>y ? x, y are real numbers?

(I) 8x = 6y
(II) x = y + 4

Ans. B

43. If a ground is rectangular, what is its width?

(I) The ratio of its length to its breadth is 7:2
(II) Perimeter of the playground is 396 mts.

Ans. C

44. If the present age of my father is 39 yrs and my present age is x yrs, what is x?

(I) Next year my mother will be four times as old as i would be.
(II) My brother is 2 years older than I and my father is 4 years older than my mother.

Ans. C

45. How many brothers and sisters are there in the family of seven children?

(I) Each boy in the family has as many sisters as brothers
(II) Each of the girl in the family has twice as many brothers as sisters

Ans. D

46. x is not equal to 0, is x + y = 0?

(I) x is the reciprocal of y
(II) x is not equal to 1

Ans. A

Following questions are based on letter's analogy.First pair of letters should have the same relationship
as the second pair of letters or vice versa.

47. ? : BGLQ : : YDIN : VAFK

(a) EKNS
(b) DKMT
(c) DLMS
(d) EJOT

Ans. (d)

48. NLO : RPS : : ? : ZXA

(a) VUW
(b) VTR
(c) VTW
(d) TRP

Ans. (c)

49. If "segment" is coded as rffndou, then "ritual" is coded as

(a) shutbm
(b) qjutbk
(c) qhutbk
(d) qhubtk

Ans. (c)

50. If "football" is "cricket" ,"cricket" is "basketball" ,"basketball" is "volleyball","volleyball" is
"khokho" and "khokho" is cricket, which is not a ball game?

(a) cricket
(b) football
(c) khokho
(d) basketball

Ans. (a)

51. Which of the following is a recursive set of production

(a) S --> a|A, A --> S
(b) S --> a|A, A --> b
(c) S -->aA, A-->S
(d) None of these

Ans. (c)

Will you provide me the sample paper of the Wipro Placement test ?

[Quick Sam]

As you want I am here providing you the sample paper of the Wipro Placement test.

Wipro Sample Test paper:
Wipro Sample Test Placement
Q1. Two bodies changed from p1v1 to p2v2 state in two ways. The heat supplied is delta Q and work done is delta W Then what is constant in these two processes
(a) delta q
(b) delta w
(c) delta q + delta w
(d) delta q
Ans. (d)

Q2. _______ have same atomic number and same mass number are
(a) Isotopes
(b) Isotones
(c) Isomers
(d) Isobars
Ans. (c)

Q3. When a free electron is placed in a plane of electro magnetic then it moves in
(a) in the direction of the electric field
(b) in the direction of magnetic field
(c) of propagation of wave
(d) of the plane containing magnetic field and propagation direction.

Q4. Name the phenomena in which one proton is jumped from one isomer to another isomer to create two different elements
(a) functional isomerisim
(b) sterio merisim
(c) tauto merisim
(d) penta merisim
Ans. (c)

Q5. In the below compounds which one has 40% C ,6.7% H and 53.3 % O what is its empherical formula
(a) CHO
(b) CH2
(c) C2H2O2
(d) C2H3O2
Ans: (b)

Q6. X rays are coming from X ray tube, the wavelength is _______ a certain wavelength/s
(a) below
(b) above
(c) inbetween
(d) out of
Ans. (c)

Q7. In a triode valve in order to increase the saturation current what has to be done
(a) increase plate voltage
(b) reduce distance between grid and plate
(c) increase cathode potential
(d) reduce grid potential
Ans. (d )

Q8. Seven different toys are distributed among 3 children how many different ways are possible?
(a) 7C3
(b) 7P3
(c) 3 7
(d) 7 3
Ans. (c)

Q9. A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function.
A has to speak before B and B has to speak before C. What is the probability.
Ans. 1/6

Q10. If dy = (secx + ytanx)dx, Then the curve is
(a) x = ycosx
(b) x = ysinx
(c) x = ytanx
(d) x = ysecx
Ans. (a)

Q11. Two series are 16,21,26.... and 17,21,25.....
What is the sum of first hundred common numbers
(a) 101100
(b) 110100
(c) 101110
(d) 110101
Ans. (a)

Q12. There are two sections in a question paper each contain five questions. Astudents has to answer 6 questions.Maximum no. of questions that can be answered from any section is 4.How many ways he can attempt the paper?
(a) 50
(b) 100
(c) 120
(d) 200
Ans. (d)

Q13. a and b are two numbers selected randomly from 1,2,3.... 25 what is theprobability of a and b are not equal.
(a) 1/25
(b) 24/25
(c) 13/25
(d) 2/25
Ans. (b)

Q14. The sum of the series 1 + 1(1+1/n) + 3(1+1/n)2 + ..... is equal to?
Ans. n2

Q15. Two circles of different radii intersects each other what is the maximum no of intersections
(a) 0
(b) 1
(c) 2
(d) 3
Ans. (c)

Q16. If x= sin 1(t), y = log(1-t2), find d2y/dx2 when t=1/2
(a) 1
(b) 0
(c)8/3
(d)2/3
Ans. (c)

Q17. If x approaches infinity , then (òex dx )/( òe2xdx) is ?
(a) 1
(b) 0
(c)1
(d) 2
Ans. (a)

Q18. If f(x)=1
cos(1-cosx)/x4 is continuos at f(0) then what is x
(a) 1
(b) 0
(c) 1/4
(d)1/4
Ans. (c)

Q19. For the word SURITI, if you arrange the letters in dictionary order then what is its rank?
(a) 234
(b) 235
(c) 236
(d) 237
Ans. (c)

Q20. Period of sin ((2t + 3) / 6 pi)
(a) 6pi
(b)6pi2
(c) 3pi
Ans. (b)

Q21
Q23. Four questions given on the below data X,Yand Z are senior engineers. A,B,C,D are junior engineers. Company wants to select 4 enginers. Two will be senior and two will be juniors. The company wants
these engineers to work in the most productive way so they respect each person's likes/dislikes.
Y is not friends with A
Z is not friends with C
B is not friends with A
If B is selected then who will be the remaining 4 members ?
If C is selected, Z and ___ can not be selected?
D is always selected if ___ is selected?

Q24. A speaks truth 70% of the times, B speaks truth 80% of the times.What is the probability that both are contradicting each other is ?

Q25. ò((2x-3)/((x2 +x+1)2 )dx is ?

Q26. Ram starts from A walking 2 km North and turns right and walks 4 km and turns right again and walks 4 km and turns right again and walks 4 km and meets Radha at Bwalking in the opposite direction to Ram .
a) Which direction does Ram walkafter the first turn?
b) Distance between A and B

Q27. If the equation x2-3x + a = 0 has the roots (0,1) then value of a is ?

Q28. A and B's temperature are 10°c and 20°c having same surface , then theirratio of rate of emmisions is ?
Q29. An atomic particle exists and has a particlular decay rate . It is in a train . When the train moves, a person observes for whether thedecay rate
(a) increases
(b) decreases
(c) depend on the directions of movement of train

Q30. Which of the following exchanges positive ions
(a).cl
(b) nh2
(c) ch2
Ans. (b)

Q31. After execution of CMP, a instruction in Intel 8085 microprocessor
(a) ZF is set and CY is reset.
(b) ZF is set CY is unchanged
(c) ZF is reset, CY is set
(d) ZF is reset , CY is unchanged .
Ans. ZF is set and CY is reset

Q32. The best tool for editing a graphic image is ?

Q33. Network scheme defines
a.)one to one
b.) many to many
c.) one to ,many ?

Q34. A person wants to measures the length of a rod.First hemeasures with standing ideally then he maeasures by moving parrel to the rod
(a)the length will decrease in second case
(b)length will be same
(c) length will increse in the second case.

Q35. One U-230 nucleus is placed in a train moving by velocity emiting alpha rays .When the train is at rest the distance between nucleus and alpha particle is x . One passenger is observing the particle . When the train is moving what is the distance between particle and nucleus ?
(a) x
(b) x +vt
(c) x-vt

Q36. What is the resulting solution when benzene and toluene are mixed ?

Q37. If the word FADENCOMT equals 345687921 then What is FEAT Find representation of 2998

Q38. Given 10 alphabets out of which 5 are to be chosen. How many words can be made with atleast one repetition.
Q39. Arrange by acidic values : phenol, nitrotolouene and o-cresol?
Q40. Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ......
Ans. 3n/(1 + n)
The following are few sample questions that maybe asked in the soft ware paper.We haven't been able to give the values in certain problems ; only the type ofquestions have been mentioned.

Q What sorting algos have their best and worst case times equal ?
Ans. O(nlogn) for mergesort and heap sort

Q. What page replacement algo . has minimumn number of page faults ?
Ans. Optimality algorithm

Q. What is the use of virtual base class in c++
Ans. Multiple lines between derived classes.

Q. Find the eccentricity of a given node in a directed graph
Q. Convert the infix to postfix for A-(B+C)*(D/E)Ans. ABC+DE/*
Q. What is swapping
Q. Assignment operator targets to
Q. A byte addressable computer has memory capacity of 2 power m Kbytes and can perform 2 power n operations an instruction involving three operands and one operator needs maximum of---
bits Ans. 3m + n
Q. In round robin scheduling, if time quatum is too large then it degenerates to Ans. FCFS
Q. What is network schema?
Q. Packet Burst is ______
Q. Picard's method uses _______?
Ans. Successive Differ entiation.

The following are few sample questions that maybe asked in the hardware paper.We haven't been able to give the values in certain problems ; only the type of questions have been mentioned.
Q. Concentration and restivity is given and conductivity is asked for ?
Q. R , resistance and C,capacitance is given ,find the frequency and Q factor of the crystal ?
Q. Critical fequency and angle theta is given ;.the max useable frequency is to becalculated
Q.Questions on parabolic reflector anttena's and half wave dipole antenna's design
Q. Ramp signal is generated from integrator .Whether it is a low or high pass filter .?
Q. Calculate FM bandwidth given max modulation fequency FM , max freq deviation , df and 8 pairs alllowableside band component ?