Showing posts with label WIPRO Campus Placement. Show all posts
Showing posts with label WIPRO Campus Placement. Show all posts
Wednesday, 28 September 2011
Wipro Placement Paper Technical Paper,Delhi 2009
1. 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. A
2. Convert the infix to postfix for A-(B+C)*(D/E)
Ans. ABC+DE/*-
3. Picard’s method uses _______?
Ans. Successive Differentiation.
Predict the output or error(s) for the following:
4. void main()
{
int const * p=5;
printf(“%d”,++(*p));
}
Ans: Compiler error: Cannot modify a constant value.
5. main()
{
char s[ ]=”man”;
int i;
for(i=0;s[ i ];i++)
printf(“\n%c%c%c%c”,s[ i ],*(s+i),*(i+s),i[s]);
}
Ans: mmmm
aaaa
nnnn
6. Identify the recording mode, by which you can record the non-standard object in QTP
A) Standard recording
B) Analog recording
C) Low level recording
D) None
Ans: B
7. By default, how many no of tables would be there in a script?
a) One
b) Two
c) Three
d) Four
Ans: B
8. The file extension of Shared object repository file is
A .MTR
B. .TSR
C. .QRS
D. None
Ans: B
9. To invoke the function which does not return any value, we can use
a. call function name
b. function name
c. Both A & B
d. None
Ans: A
10. How many bits are needed within a machine code instruction to select a single register in a machine with 16 general registers?
a. 2
b. 3
c. 4
d. 5
Ans: C
11. which key in any windows screen is used to invoke file menu
Ans :alt+f
12. Object which is used for calling the win32 api functions in QTP, we use
A extern
B. description
C. environment
D. None
Ans: A
13. What is the result of adding the binary numbers 01000001 and 11111111 on an 8 bit machine?
A. 11111111
B. 00000000
C. 01111111
D. Overflow
Ans: D
14. Which of the following does POP stand for?
A. Post Office Protocol
B. Peer over peer
C. Private Office Protocol
D. Post Optical Protocol
Ans: A
15. Which of the following stages of compilation produces a syntax tree?
A. Parsing
B. Code generation
C. Lexical analysis
D. Semantic analysis
Ans: A
16. Which of the following is not contained in a system description?
A. Internal data flows
B. Flows leaving and entering the system
C. Relationship between external entities
D. Internal components or processes
Ans: C
17. What is the result of adding the binary numbers 01000011 and 10010000 on an 8 bit machine?
A. 11010011
B. 11110011
C. 11001011
D. 11010101
Ans: A
18. How is the decimal value for 30 represented in binary?
A. 00001111
B. 00011010
C. 00011110
D. 00011111
Ans: C
19. A memory chip has 8 data lines and 9 address lines. How many bytes can be stored on it?
A. 511
B. 512
C. 500
D. 256
Ans: B
20. Which of the following devices requires the highest input data transferrate?
A. mouse
B. Keyboard
C. Floppydisk
D. CD
Ans: D
Wipro Placement Papers Aptitude Paper , Delhi 2009
The questions 1-7 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
1. 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
2. Is z positive?
(I) y+z is positive
(II) y-z is positive
Ans. E
3. Is x>y ? x, y are real numbers?
(I) 8x = 6y
(II) x = y + 4
Ans. B
4. 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
5. 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
6. 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
7. 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
8. Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ……
Ans. 3n/(1 + n)
9. Out of 55 eggs 5 are defective. what is % of defective eggs
Ans:9/11%
10. 1/8 is divided by ‘s’ , if ‘s’ is increased by 2 times, what is the result.
Ans: increases two times
11. For each hour an watch is going slow by 30 seconds. Now time is 8a.m.What will be the actual time at 8p.m.
Ans: 7:54.
12. If a person walks at 4/5th of his usual spee he reaches 40min late. If he walks at his usual speed how much time does he
travels.
Ans:160min or 2hr 40min
13. In a class 80% have passed english,70% passed Hindi 10% did not passed either. If 144 students passed both. What is
the total strength of the class.
Ans: 240.
14. Find the least number when divided by 7 gives the reminder 6, when divided by 6 gives reminder 5, when divided by 5
gives reminder 4 and so on….
Ans: 419
15. If a man stands in front of sun what is the first letter of the direction which is left to him:
Ans: North(N)
(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
1. 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
2. Is z positive?
(I) y+z is positive
(II) y-z is positive
Ans. E
3. Is x>y ? x, y are real numbers?
(I) 8x = 6y
(II) x = y + 4
Ans. B
4. 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
5. 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
6. 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
7. 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
8. Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ……
Ans. 3n/(1 + n)
9. Out of 55 eggs 5 are defective. what is % of defective eggs
Ans:9/11%
10. 1/8 is divided by ‘s’ , if ‘s’ is increased by 2 times, what is the result.
Ans: increases two times
11. For each hour an watch is going slow by 30 seconds. Now time is 8a.m.What will be the actual time at 8p.m.
Ans: 7:54.
12. If a person walks at 4/5th of his usual spee he reaches 40min late. If he walks at his usual speed how much time does he
travels.
Ans:160min or 2hr 40min
13. In a class 80% have passed english,70% passed Hindi 10% did not passed either. If 144 students passed both. What is
the total strength of the class.
Ans: 240.
14. Find the least number when divided by 7 gives the reminder 6, when divided by 6 gives reminder 5, when divided by 5
gives reminder 4 and so on….
Ans: 419
15. If a man stands in front of sun what is the first letter of the direction which is left to him:
Ans: North(N)
Wipro Placement Paper English Paper, Delhi 2009
Direction 1-5 : In each of the following questions, find out which part of the sentence has an error. if there is no mistake the answer is ‘no error’
1. Neither the plans / suits him and therefore / he decided not to / go out yesterday / No error
Ans: B
2. The Cabinet Ministers and the Prime Minister / was at the airport / to receive the foreign dignitary / No error
Ans : B
3. While proceeding on leave / he had orally committed that / he will resume after two days/ No error
Ans : C
4. The number of people / applying were so large / that the college had to / stop issuing application forms / No error
Ans: B
5. a series of lectures / of Indian philosophy / are arranged by the University / No error
Ans: C
Directions 6-10: The following questions, consist of two words each that have a certain relationship to each other, followed by four lettered pairs of words. Select the lettered pair that has the same relationship as the original pair of words.
6. Illiterate : Uneducated
A) Country : State
B) City : Village
C) Palace : Hut
D) Vision : Sight
Ans ; D
7. Money : Transaction
A) Life : Death
B) Water : Drink
C) Ideas : Exchange
D) Language : Conversation
Ans: D
8. Overlook : Aberration
A) Mitigate : Penitence
B) Condone : Offence
C) Error : Omission
D) Conviction : Criminal
Ans: B
9. Utopia : English
A) Odyssey : Greek
B) Tulsidas : Sanskrit
C) Monalisa : English
D) Dante : Latin
Ans: A
10. Sailor : Pirate
A) Police : Robbers
B) Lion : Lamb
C) Plant : Fungus
D) Major : Sepoy
Ans : C
Directions 11-12 : In each of the following questions, a sentence has been given in Active (or passive) voice. Out of the four alternatives suggested select the one which best express the same sentence in Passive (or Active) Voice.
11. I know him.
A) He is known by me
B) He was known to me
C) He has been known by me
D) He is known to me
Ans : D
12. The residents celebrated the Independence Day
A) The Independence Day celebrated by the residents
B) The Independence Day was celebrated by the residents
C) The Independence Day has been celebrated by the residents
D) Celebration of Independence Day was done by the residents
Ans: B
Directions 13-15 : Pick out the most effective word from the given words to fill in the blank to make the sentence meaningfully complete
13. Even if rains all day I will not be able to …………………….my journey
A) put by
B) put out
C) put off
D) put away
Ans: C
14. Help yourself………………..whatever you can use without wasting
A) with
B) to
C) in
D) for
Ans: B
15. There is an exception……………………….every rule.
A) on
B) to
C) in
D) for
Ans: B
1. Neither the plans / suits him and therefore / he decided not to / go out yesterday / No error
Ans: B
2. The Cabinet Ministers and the Prime Minister / was at the airport / to receive the foreign dignitary / No error
Ans : B
3. While proceeding on leave / he had orally committed that / he will resume after two days/ No error
Ans : C
4. The number of people / applying were so large / that the college had to / stop issuing application forms / No error
Ans: B
5. a series of lectures / of Indian philosophy / are arranged by the University / No error
Ans: C
Directions 6-10: The following questions, consist of two words each that have a certain relationship to each other, followed by four lettered pairs of words. Select the lettered pair that has the same relationship as the original pair of words.
6. Illiterate : Uneducated
A) Country : State
B) City : Village
C) Palace : Hut
D) Vision : Sight
Ans ; D
7. Money : Transaction
A) Life : Death
B) Water : Drink
C) Ideas : Exchange
D) Language : Conversation
Ans: D
8. Overlook : Aberration
A) Mitigate : Penitence
B) Condone : Offence
C) Error : Omission
D) Conviction : Criminal
Ans: B
9. Utopia : English
A) Odyssey : Greek
B) Tulsidas : Sanskrit
C) Monalisa : English
D) Dante : Latin
Ans: A
10. Sailor : Pirate
A) Police : Robbers
B) Lion : Lamb
C) Plant : Fungus
D) Major : Sepoy
Ans : C
Directions 11-12 : In each of the following questions, a sentence has been given in Active (or passive) voice. Out of the four alternatives suggested select the one which best express the same sentence in Passive (or Active) Voice.
11. I know him.
A) He is known by me
B) He was known to me
C) He has been known by me
D) He is known to me
Ans : D
12. The residents celebrated the Independence Day
A) The Independence Day celebrated by the residents
B) The Independence Day was celebrated by the residents
C) The Independence Day has been celebrated by the residents
D) Celebration of Independence Day was done by the residents
Ans: B
Directions 13-15 : Pick out the most effective word from the given words to fill in the blank to make the sentence meaningfully complete
13. Even if rains all day I will not be able to …………………….my journey
A) put by
B) put out
C) put off
D) put away
Ans: C
14. Help yourself………………..whatever you can use without wasting
A) with
B) to
C) in
D) for
Ans: B
15. There is an exception……………………….every rule.
A) on
B) to
C) in
D) for
Ans: B
Wipro Campus Placement, Aptitude Paper Bangalore, 2009 October
(a) 70sec
(b) 1min
(c) 1 min 15 sec
(d) 55 sec
Ans. (b)
2. 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)
3. 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)
Select the alternative that logically follows from the two given statements.
- 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
5. All toffees are chocolates
Some 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 6-9 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 identical.
6. 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
7. 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
8. 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
9. 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
10. If the ratio of the areas of 2 queres is 2:1, then the ratio of the perimeters of the squares is
ANS) ( sqrt(2):1 )
11. There are three types of tickets available for a concert: orchestra , which cost $12 each; balcony, which cost$9 each: and box, which cost $25 each. There were P orchestra tickets , B balcony tickets, and R box tickets sold for the concert. Which of the following expressions gives the percentage of ticket proceeds due to the sale of orchestra tickets?
Ans) 100*12P/(12P+9B+25R)
12. In a survey of town of Wasco, it was found that 65% of the people surveyed watched the news on television, 40% read newspaper, and 25% read a newspaper and watched the news on television. What percent of the people surveyed neither watched the news on the television nor read a newspaper?.
Ans: 20%
Following questions are based on letters analogy.First pair of letters should have the same relationship as the second pair of letters or vice versa.
13. NLO : RPS : : ? : ZXA
(a) VUW
(b) VTR
(c) VTW
(d) TRP
Ans. (c)
14. If “segment” is coded as rffndou, then “ritual” is coded as
(a) shutbm
(b) qjutbk
(c) qhutbk
(d) qhubtk
Ans. (c)
15. 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)
16. The sum of the series 1 + 1(1+1/n) + 3(1+1/n)2 + ?.. is equal to?
Ans. n2
17. 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)
18. For the word SURITI, if you arrange the letters in all possible ways in dictionary order then what is its rank?
(a) 234
(b) 235
(c) 236
(d) 237
Ans. (c)
19. 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)
20. It takes 30 days to fill a laboratory dish with bacteria. If the size ofthe bactiria doubles each day, how long did it take for the bactiria to fill one half of dish?
Ans) ( 29days)
21 A car wash can wash 8 cars in 18 minutes, At this rate, how many cars can the car wash wash in 3 hours?
ANS) ( 80)
Wipro Campus Placement Aptitude Paper Feb 2010, Delhi
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. john weighe twice as much as Marcia. Marcia’s weight is 60% of Bob’s weight.Dave weighs 50% of Lee’s weighs 190% of John’s wight. Which of these 5 persons weighs the least?
A) Bob
B) Dave
C) John
D) Lee E) Marcia
Ans) E
4. A trip takes 6 hours to compleate. After traveling 1/4 of an hour, 1 3/8 hours, and 2 1/3 hours, howmuch time does need to complete the trip?
A) 2 1/12hours
b) 2hours, 2 1/2 minutes
c) 2 hours,5minutes
d) 2 1/8 hours
ANS) B
5. 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)
6. 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)
7. 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)
8. 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)
9. Image of point (3,Cool in the line x + 3y = 7 is
(a) (-1,-4)
(b) (-1,4)
(c) (2,-4)
(d) (-2,-4)
Ans. (a)
10. City B is 5 miles east of City A. City C is 10 miles southeast of City B. Which of the following is the closest to the distance from City A to City C?
Ans: 14 miles
11. If the area of a square increases by 69%, then the side of the square increased by
Ans: 30%
12. There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that atleast two blue socks have been chosen?
Ans: 20
13. 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)
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.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)
17. 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)
18. 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)
19. 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)
20. 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)
Following questions are based on letters analogy.First pair of letters should have the same relationship as the second pair of letters or vice versa.
21. ? : BGLQ : : YDIN : VAFK
(a) EKNS
(b) DKMT
(c) DLMS
(d) EJOT
Ans. (d)
(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. john weighe twice as much as Marcia. Marcia’s weight is 60% of Bob’s weight.Dave weighs 50% of Lee’s weighs 190% of John’s wight. Which of these 5 persons weighs the least?
A) Bob
B) Dave
C) John
D) Lee E) Marcia
Ans) E
4. A trip takes 6 hours to compleate. After traveling 1/4 of an hour, 1 3/8 hours, and 2 1/3 hours, howmuch time does need to complete the trip?
A) 2 1/12hours
b) 2hours, 2 1/2 minutes
c) 2 hours,5minutes
d) 2 1/8 hours
ANS) B
5. 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)
6. 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)
7. 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)
8. 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)
9. Image of point (3,Cool in the line x + 3y = 7 is
(a) (-1,-4)
(b) (-1,4)
(c) (2,-4)
(d) (-2,-4)
Ans. (a)
10. City B is 5 miles east of City A. City C is 10 miles southeast of City B. Which of the following is the closest to the distance from City A to City C?
Ans: 14 miles
11. If the area of a square increases by 69%, then the side of the square increased by
Ans: 30%
12. There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that atleast two blue socks have been chosen?
Ans: 20
13. 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)
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.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)
17. 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)
18. 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)
19. 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)
20. 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)
Following questions are based on letters analogy.First pair of letters should have the same relationship as the second pair of letters or vice versa.
21. ? : BGLQ : : YDIN : VAFK
(a) EKNS
(b) DKMT
(c) DLMS
(d) EJOT
Ans. (d)
