Monday, July 26, 2010

The Infosys Question Paper





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1. There is a circle race going on. One of them says,”1/3 of those in front of me and ¾ of those behind me, give the total number of children in the race”. Then the number of children took part in the race?
Ans : 13

2. In an Island the natives lie and visitors speak truth. A man wants to whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied that she says “she is a visitor”. Whether the salesman is a native or visitor?
Ans : Visitor

3.A man fixed an appointment to meet Mr.X, X asked him to meet two days after the day before the day after tomorrow. Today is Friday. Whats the appointed day.
Ans: Monday

4. A jewel problem, with some conditions and it is quite easy to solve.

5.A man said he spent 1/6 of his as a child, 1/12 as salesman in a liquor shop, 1/7 and 5 years as a politician and a good husband respectively. At that time Jim was born. Jim was elected as Alderman four years back. when he was half of his age. What is his age.
Ans: 84 ( It is same as diaphantus problem given in shakuntala devi -2 part)

6.Jack,Dough and Ann, 3 children had a race when returning from school. Ann takes 28 steps when Droug takes 24 steps, meantime Jack takes 21 steps. Jack explained that his 6 steps equals Droug’s 7 steps and Ann’s 8 steps. Who won the race?
Ans: Dough

7. Every day a cyclist meets a car at the station. The road is straight and both are traveling in the same direction. The cyclist travels with a speed of 12 mph. One day the cyclist comes late by 20 min. and meets the car 5miles before the Station. What is the speed of the car?
Ans: 60 mph

8. A problem of persons and profession. 4 persons were there- Jack, Clove, Smith, Morgan. Some conditions were there. I do’t remember, but I remember the answer.
Ans: Clove : Druggist
Jones: Grocer
Morgan : Butcher
Smith : Policeman

9.A lady goes for shopping. She bought some shoestrings. 4 times the number of shoestrings, she bought pins and 8 times, handkerchiefs. She paid each item with their count as each piece’s cost. She totally spent Rs. 3.24. How many handkerchiefs did she buy?
Ans : 16

10. Complete the series :
a) 3,6,13,26,33,66,____
b) 364,361,19,16,4,1,___
Ans : a) 73
b) 1



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1. There is a merry-go-round race going on. One person says,"1/3 of those in front of me and 3/4 of those behind me, give the total number of children in the race". Then the number of children took part in the race? (Repeated from previous papers)
Ans : 13

[ Assume there are x participants in the race.In a round race,no: of participants in front of a person wil b x-1 an that behind him wil b x-1. i.e, 1/3(x-1) + 3/4(x-1) = x ; solving x = 13 ]

2. In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor". Then he knew that the salesman is a native or visitor. salesman is in which category , native or visitor?

Ans : Native (not sure)

[ Draw table and see ]

3.A man fixed an appointment to meet the manager, Manager asked him to come two days after the day before the day after tomorrow. Today is Friday. When will the manager expect him? (repeated from previous papers)

Ans: Monday
[Don't confuse it with Tuesday.the correct answer is Monday]

4. A jem merchant wants to exhibit his 7 precious jewels in an exhibition, Amethist, Diamond, Ruby, Opel ,G, Sapphire and Emarald.He shows either through the left window or through the right window.At a time he shows only 3 out of his 7 jewels he had. some conditions where given like
(i) A should be shown only through the left window.
(ii) D should be shown only through the right window
(iii) E and S ahould be shown together
(iv) R should not be shown though the same window as O or G
(v) Some more conditions...I 4got the remaining..
4 questions where asked on this and 4 options where given like..
[A] Which among the following sets are possibly shown through the left window?
4 options like {a} A,D,G {b} D,O,R {c} A,G,R {d} A,S,E
[B] Which of the following should be shown through the right window if E is shown through the right window?
4 options..
[C] and [D] questions where also there. 8 marks
It was an easy question. (repeated from previous papers)

5.A man said he spent 1/6 of his as a child, 1/12 as salesman in a liquor shop, 1/7 and 5 years as a politician and a good husband respectively. At that time Jim was born. Jim was elected as Alderman four years back.when he was half of his age. What is his age? (repeated from previous papers)

Ans: 84 years

[Assume that he lived x years.
X/6 + x/12 + x/7 + 5 + 4 + x/2 = x. Solving x= 84, Same as Question in Shakundala Devi book]

6.Jack,Doug and Ann, 3 children had a running race while returning from school.Mom asked who won the race.Then Jack replied" I wont tell u.I wil give u a clue,When Ann takes 28 steps Doug takes 24 steps, meantime I take 21 steps. Jack explained that his 6 steps equals Droug's 7 steps and Ann's 8 steps. Who won the race? (repeated from previous papers)

Ans: Doug

[ Ann steps = 8,16,24,28 --- finished by 3 & half full steps
Doug steps=7,14,21,24 --- finished before 3 & half full steps
Jack steps= 6,12,18,21 --- finished by 3 & half full steps
So Doug won the race ]

7. Every day a cyclist meets a car at the station.The road is straight and both are traveling in the same direction. The cyclist travels with a speed of 12 mph.
One day the cyclist comes late by 20 min. and meets the car 5miles before the
Station. What is the speed of the car?

Ans: 60 mph

[Very similar to Shakuntala Devi puzzles to puzzle you problem no: 38 ]

8. A problem of persons and profession. 4 persons were there- Jack, Clove, Smith, Morgan belongs to 4 professions policeman, Druggist, Grocer, and Butcher. Who all belongs to which profession? Some conditions where given like..
(i) Clove and Jones drive together to work
(ii) Clove earns more income than Morgan...I 4got the conditions..

Clove :
Jones : 8 marks
Morgan :
Smith :

9.A lady goes for shopping. She bought some shoestrings. 4 times the number of shoestrings, she bought pins and 8 times, handkerchiefs. She paid each item with their count as each piece's cost. She totally spent Rs. 3.24. How many handkerchiefs did she buy? (repeated from previous papers)

10. Complete the series :

a) 3,6,13,26,33,66,____(repeated from previous papers)
b) 364,361,19,16,4,1,___( " " " )

Ans : a) 63
b) 1


HR questions..

1) What is ur father?
2) Say something abt ur college?
3) And abt u?
4) Do u've any preferable place 2 work?
5) 2 puzzles...1) To find the missing no: from a 3/3 matrix?
2) 3 bulbs in the 3rd floor and switches in the 1st floor.u r in the 1st floor.u've 2 know which switch belongs 2 which bulb.its not in order.u can go up once an u can switch on once.how wil u do it?
6) The most creative thing u've done?
7) Any questions..?

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1. 19,24,20,25,21,26,? ans:22

2. 11,14,12,15,13,16,? ans: 14

3. 10,2,8,2,6,2,? a:4

4. 8,9,11,14,,18,23,? a:29

5. 25,25,22,22,19,19,? a:16

6. 14,2,12,4,10,6,? a:8

7. 7,16,9,15,11,14,? a:13


8. 40,42,39,44,38,46,? a:37

9. 3,18,4,24,5,30,? a:6

10. 18,20,22,20,28,20,? a:22

11. 18,20,10,12,4,6? a:0

12. 7,6,8,5,3,7,? a:4

13 9,18,21,25,20,? a:30

14 3,3,4,8,10,36,? a:33

15.30,28,25,20,34,28,? a:21

16. 4,8,16,32,64,128,? a:256

17. 8,16,24,32,40,48,? a:56

18. 13,11,14,12,15,13,? a:16

19. 6,18,36,108,216,648,? a:1296

20. 4,4,8,8,16,16,? a:32

21. 2,6,18,54,162,486,? a:1458

22. 4,20,35,49,62,74,? a:85

23. 10,18,15,23,20,28,? a:25

24. 4,10,8,14,12,18,? a:16

25 10,15,12,17,14,10,? a:16




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(quantitative)

1.A clerk multiplied a number by ten when it should have been divided by
ten.The ans he got was 100.what should the ans have been?
a:1


2.If rs20/- is available to pay for typing a research report & typist A
produces 42 pages and typist B produces 28 pages.How much should typist A
receive?
a:rs12

3.The average salary of 3 workers is 95 Rs. per week. If one earns
Rs.115 and second earns Rs.65 how much is the salary of the 3rd worker.
Ans.105.

4.A 16 stored building has 12000 sq.feet on each floor. Company A rents 7

floors and company B rents 4 floors. What is the number of sq.feet of
unrented floor space.
Ans.60000

5. During a given week A programer spends 1/4 of his time preparing flow
chart, 3/8 of his time coding and the rest of the time in debugging the
programs. If he works 48 hours during the week , how many hours did he
spend debugging the program.
Ans. 18.

6. A company installed 36 machines at the beginning of the year. In March
they installed 9 additional machines and then disconnected 18 in August.
How many were still installed at the end of the year.
Ans .27

7. A man owns 2/3 of the market research beauro business and sells 3/4 of
his shares for Rs. 75000. What is the value of Business.
Ans.150000

8. If 12 file cabinets require 18 feet of wall space, how many feet of
wall space will 30 cabinets require?
Ans.45

9.A computer printer produced 176,400 lines in a given day. If the
printer was in operation for seven hours during the day, how many lines
did it print per minute?
Ans.420

10. From its total income, A sales company spent Rs.20,000 for
advertising, half of the remainder on commissions and had Rs.6000 left.
What was its total income?
Ans.32000

11. On Monday a banker processed a batch of cheques, on Tuesday she
processed three times as many, and on Wednesday she processed 4000
cheques. In the three days, she processed 16000 cheques. How many did
she process on Tuesday?
Ans.9000

12. The cost of four dozen proof machine ribbons and five dozen accouting
machine ribbons was Rs.160/-. If one dozen accounting machine ribbons
cost Rs.20/-, what is the cost of a dozen proof machine ribbons?
Ans.Rs.15

13. If a clerk can process 80 cheques in half an hour, how many cheques
can she process in a seven and one half hour day?
Ans.1200

14. In a library, there are two racks with 40 books per rack. On a given
dya, 30 books were issued. What fraction remained in the racks?
Ans.5/8

15. The average length of three tapes is 6800 feet. None of the tapes is
less than 6400 feet. What is the greatest possible length of one of the
other tapes?
Ans.7600

16. A company rented a machine for Rs.700/- a month. Five years later
the treasurer calculated that if the company had purchased the machine
and paid Rs.100/- monthly maintenance charge, the company would have
saved Rs.2000/-. What was the purchase price of the machine?
Ans.Rs.34000

17. Two computers each produced 48000 public utility bills in a day. One
computer printed bills at the rate of 9600 an hour and the other at the
rate of 7800 an hour. When the first computer finished its run, how many
bills did the other computer still have to print?
Ans.9000

18. If a salesman's average is a new order every other week, he will
break the office record of the year. However, after 28 weeks, he is six
orders behind schedule. In what proportion of the remaining weeks does
he have to obtain a new order to break the record?
Ans.3/4

19. On a given day, a bank had 16000 cheques returned by customers.
Inspection of the first 800 cheques indicated that 100 of those 800 had
errors and were therefore the available immediately for data processing.
On this basis, hwo many cheques would be available immediately for data
processing on that day?
Ans.14000

20. A company figured it needed 37.8 sq.feet of carpot for its reception
room. To allow for waste, it decided to order 20% more material than
needed. Fractional parts of sq.feet cannot be ordered. At Rs.9/- a
sq.feet, how much would the carpet cost?
Ans.
a. Rs.324 b) Rs.405 c) Rs.410 d) Rs.414 e) Rs.685

21. A tape manufacturer reduces the price of his heavy duty tape from
Rs.30/- to Rs.28/- a reel and the price of a regular tape from Rs.24/- to
Rs.23/- a reel. A computing centre normally spends Rs.1440/- a month for
tapes and 3/4 of this is for heavy duty tapes. How much will they save a
month under the new prices?
Ans.Rs.87

22. In a team of 12 persons, 1/3 are women and 2/3 are men. To obtain a
team with 20% women how many men should be hired?
Ans.8

23. The dimensions of a certain machine are 48" X 30" X 52". If the size
of the machine is increased proportionately until the sum of its
dimensions equals 156", what will be the increase in the shortest side?
Ans. 6"


24. In a certain company, 20% of the men and 40% of the women attended
the annual company picnic. If 35% of all the employees are man, what
percent of all the employees went to the picnic?
Ans.33%

25. It cost a college Rs.0.70 a copy to produce a Programme for the
homecoming football game. If Rs.15,000/- was received for advertisements
in the programme, how many copies at Rs.0.50 a copy must be sold to make
a profit of Rs.8000/- ?
Ans. 35000