INFOSYS 1997. TIME 1hr.
PAPER CODE Q/A. marks 50.
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1)At 6'o clock clock ticks 6 times. The time between first and
last ticks was 30sec. How much time it takes at 12'o clock.
Ans. 66 sec. 2 marks.
2)Three friends divided some bullets equally. After all of them shot 4 bullets the total no.of remaining bullets is equal to that of one has after division. Find the original number divided.
Ans. x x x
x-4 x-4 x-4
3x-12 = x
x= 6
ans is 18 2 marks
3)A ship went on a voyage after 180 miles a plane statrted with 10 times speed that of the ship. Find the distance when they meet from starting point.
Ans. 180 + (x/10) = x
x = 20
ans is 180+20=200miles. 2 marks
4) Fill the empty slots. Three FOOTBALL teams are there. Given below the list of maches.
played won lost draw Goals for Goals against A 2 2 *0 *0 *7 1 B 2 *0 *1 1 2 4 C 2 *0 *1 *1 3 7
the slots with stars are answers. 4 marks BC drew with 2-2 A won on B by 2-0 a won on C by 5-1 ( YOU HAVE TO FILL THE BLANKS AT APPROPRIATE STAR SYMBOLS.)` 5) There are 3 societies a,b,c. a lent tractors to b and c as many as they had. After some time b gave as many tractors to a and c as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24. Find the tractors each orginally had.
Ans a had 39, b had 21, c had 12, 4 marks
6) There N stations on a railroad. After adding x stations 46 additional tickets have to be printed. Find N and X.
Ans. let N(N-1) = t;
(N+x)(N+x-1) = t+46;
trail and error method x=2 and N=11 4 marks
7)Given that April 1 is tuesday. a,b,c are 3 persons told that their
farewell party was on
a - may 8, thursday
b - may 10,tuesday
c - june 8, friday
Out of a,b,c one is only correct one of the regarding month,day,date.
Other told two correct and the third person told all wrong.What is
correct date,month,day. 5 marks
(ans may be MAY 10 SUNDAY. check once again)
8)There are 4 parties. df,gs,dl(depositloss),ew ran for a contest.
Anup,Sujit,John made the following statements regarding results.
Anup said either df or ew will definitely win
sujit said he is confident that df will not win
John said he is confident that neither ew nor dl will win
the result has come. only one of the above three has made a correct
statement. Who has made the correct statement and who has won
the contest. 5 marks.
(ans DL )
9)Five people a,b,c,d,e are related to each other. Four of them make
one true statement each as follows.
i) b is my father's brother. (ans. d said this)
ii)e is my mother-in-law. ( b )
iii)c is my son-in-law's brother. ( e )
iv)a is my brother's wife. ( c )
who said each statement.
10 marks.
10) All members of d are also members of a
All '' e '' d
all '' c '' both a and b
not all '' a are members of d
not all '' d '' e
Some questions on these conditions.(5questions 5 marks)
11)
boys are allowed to watch football at c.v.Raman auditorium subjected to
conditions.
i)the boy over age 16 can wear overcoat
ii)no boy over age 15 can wear cap
iii)to watch the football either he has to wear overcoat or cap
or both
iv) a boy with an umberella or above 16 or both cannot wear sweater.
v) boys must either not watch football or wear sweater.
What is the appearence of the boy who is watching football. Try to solve this question................
ok!!!!!
infosys paper 1997.
paper code q/c.
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1) be * be = acb
a,b,c,e are non zero numbers find b,e.
ans) b=1 e=9
2) a,b,c,d,e are having numerical values. there are some conditions
given
a) a=c <===> b!=e
b) difference between a and c as same as difference between c and b
as same as difference between a and d
c) c<a and c>d
then find a,b,c,d,e
3) there are six cards in which it has two king cards. all cards are
turned down and two cards are opened
a) what is the possobility to get at least one king.
b) what is the possibility to get two kings.
4) a person went to a shop and asked for change for 1.15paise.
but he said that he could not only give change for one rupee.
but also for 50p,25p,10p and 5p. what were the coins he had
ans) 1-->50 4--->10p 1--->25p
5) there are 3 nurses and they work altogether only once in a week.
no nurse is called to work for 3 consecutive days.
nurse 1 is off on tueseday,thursday and sunday.
nurse 2 is off on saturday.
nurse 3 is off on thursday,sunday.
no two nurses are off more than once a week.
find the day on which all the 3 nurses were on work.
6) there are 5 persons a,b,c,d,e and each is wearing a block or white
cap on his head. a person can see the caps of the remaining 4 but can't
see his own cap. a person wearing white says true and who wears block
says false.
i) a says i see 3 whites and 1 block
ii) b says i see 4 blocks
iii) e says i see 4 whites
iiii) c says i see 3 blocks and 1 white.
now find the caps weared by a,b,c,d and e
7) there are two women, kavitha and shamili and two males shyam, aravind
who are musicians. out of these four one is a pianist, one flutist,
violinist and drummer.
i) across aravind beats pianist
ii) across shyam is not a flutist
iii) kavitha's left is a pianist
iiii) shamili's left is not a drummer
v) flutist and drummer are married.
8) 1/3 ed of the contents of a container evaporated on the 1 st day.
3/4 th of the remaining contents of the container evaporated the
second day. what part of the contents of the container are left at
the end of the second day.
9) a man covered 28 steps in 30 seconds but he decided to move fast and
covered 34 steps in 18 seconds. how many steps are there on the
escalator when stationary.
10) all fair skinned, rich, handsome, muscular, lean and employed are
tall men
1) all lean men are muscular.
2) no fairskinned person who is not rich is handsome.
3) some muscular men are handsome.
4) all handsome are fairskinned.
5) no person who is neither fair skinned nor muscular is enplyed.
6) we unable to recall this condition and question also incomplete.
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> Here are the infosys questions which appeared here., They had > five sets of que. papers A,B,C,D,E. This is set A. Others > are also of similar type with few modifications. > love-kalya. > > > INFOSYS > > > > > There are 5 q papers with them. this is only one of those. > > All otheres were more or less of the same model but different > > qs. This is just to give U an idea. > > > > The questions are not in order. > > > > 1)A,B,C,D,E related.4 of them made these statements each. > > i)C is my son in law's brother. > > ii)B is my father's brother. > > iii)E is my mother in law. > > iv)A is my brother's wife. > > who made these statements?(person mentioned is one of A,B,C,D,E)(10 mar ks). > > 2)e means belong. > > All members of E e D. > > All members of D e A. > > Not all members of D e E. > > Not all members of A e D. > > All members of C e both A and B.some questions are asked about relatio n.use venn diagram.(5 marks). > > > > 3)complete the table. > > > > Played won lost draw goals goals > > for against > > A 2 2 1 > > B 2 1 2 4 > > C 2 3 7 > > > > A,B,C are 3 hockey teams.(2 marks). > > > > 4) A says Party was held on :Thursday ,May 8th. > > B says Party was held on :Tuesday,May 10th. > > C says party was held on :Friday ,June 8th. > > Given April 1 st was Tuesday.one of A,B,C says 1 correct.one says 1 > > wrong.and one was completely wrong of date,Month and day. Find the > > Day the party held. (5marks). > > > > 5) A ship is away from the shore by 180 miles.A plane is travelling at > > 10 times speed of the ship.How long from the shore will they meet? > > (2marks) > > > > 6) Every station in N railroad issue everyother station's ticket. > > some stations are added.Now they have to issue 46 more tickets. > > say the No.of stations after and before added.(5 marks). > > > > 7) 3 persons say these statements. > > A says either Democratic or liberal wins the elections. > > B says Democratic wins.C says neither democratic nor liberal wins > > the election.of these only one is wrong.who wins the election? > > (5 marks). > > > > 8) A clock showing 6 o'clock takes 30 secs to strike 6 times.How long > > will it take to strike 12 at midnight?Ans.66 secs.(2marks) > > > > 9) Only boys aged > 16 wear coats. > > Boys aged > 15 go to watch football.some more statements are given. > > What can be said about those who are watching football ? (age and > > costume) > > (5 marks). > > > > 10) There are 3 societies A,B,C having some tractors each. > > A Gives B and C as many tractors as they already have. > > After some days B gives A and C as many tractors as they have. > > After some days C gives A and B as many tractors as they have. > > Finally each has 24 tractors.what is the original No.of > > tractors each had in the beginning? > > Ans.A -39. > > B- 21. > > C- 12.(7 marks). > > 11) 4,5 statements.From that find the answer.(7 marks). > > > > > > Reference books > > 1.) Puzzles and teasers by summer's > > 2.) Shakuntala Devi. (puzzles). > > > >
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INFOSYS PAPER 1997.
PAPER CODE Q/C.
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1a) BE * BE = ACB
A,B,C,E ARE NON ZERO NUMBERS FIND B,E.
ANS) B=1 E=9
2) A,B,C,D,E ARE HAVING NUMERICAL VALUES. THERE ARE SOME CONDITIONS
GIVEN
a) A=C <===> B!=E
b) DIFFERENCE BETWEEN A AND C AS SAME AS DIFFERENCE BETWEEN C AND B
AS SAME AS DIFFERENCE BETWEEN A AND D
c) C<A AND C>D
THEN FIND A,B,C,D,E
3) THERE ARE SIX CARDS IN WHICH IT HAS TWO KING CARDS. ALL CARDS ARE
TURNED DOWN AND TWO CARDS ARE OPENED
a) WHAT IS THE POSSOBILITY TO GET AT LEAST ONE KING.
b) WHAT IS THE POSSIBILITY TO GET TWO KINGS.
4) A PERSON WENT TO A SHOP AND ASKED FOR CHANGE FOR 1.15PAISE.
BUT HE SAID THAT HE COULD NOT ONLY GIVE CHANGE FOR ONE RUPEE.
BUT ALSO FOR 50P,25P,10P AND 5P. WHAT WERE THE COINS HE HAD
ans) 1-->50 4--->10P 1--->25P
5) THERE ARE 3 NURSES AND THEY WORK ALTOGETHER ONLY ONCE IN A WEEK.
NO NURSE IS CALLED TO WORK FOR 3 CONSECUTIVE DAYS.
NURSE 1 IS OFF ON TUESEDAY,THURSDAY AND SUNDAY.
NURSE 2 IS OFF ON SATURDAY.
NURSE 3 IS OFF ON THURSDAY,SUNDAY.
NO TWO NURSES ARE OFF MORE THAN ONCE A WEEK.
FIND THE DAY ON WHICH ALL THE 3 NURSES WERE ON WORK.
6) THERE ARE 5 PERSONS A,B,C,D,E AND EACH IS WEARING A BLOCK OR WHITE
CAP ON HIS HEAD. A PERSON CAN SEE THE CAPS OF THE REMAINING 4 BUT CAN'T
SEE HIS OWN CAP. A PERSON WEARING WHITE SAYS TRUE AND WHO WEARS BLOCK
SAYS FALSE.
i) A SAYS I SEE 3 WHITES AND 1 BLOCK
ii) B SAYS I SEE 4 BLOCKS
iii) E SAYS I SEE 4 WHITES
iiii) C SAYS I SEE 3 BLOCKS AND 1 WHITE.
NOW FIND THE CAPS WEARED BY A,B,C,D AND E
7) THERE ARE TWO WOMEN, KAVITHA AND SHAMILI AND TWO MALES SHYAM, ARAVIND
WHO ARE MUSICIANS. OUT OF THESE FOUR ONE IS A PIANIST, ONE FLUTIST,
VIOLINIST AND DRUMMER.
i) ACROSS ARAVIND BEATS PIANIST
ii) ACROSS SHYAM IS NOT A FLUTIST
iii) KAVITHA'S LEFT IS A PIANIST
iiii) SHAMILI'S LEFT IS NOT A DRUMMER
V) FLUTIST AND DRUMMER ARE MARRIED.
8) 1/3 ED OF THE CONTENTS OF A CONTAINER EVAPORATED ON THE 1 ST DAY.
3/4 TH OF THE REMAINING CONTENTS OF THE CONTAINER EVAPORATED THE
SECOND DAY. WHAT PART OF THE CONTENTS OF THE CONTAINER ARE LEFT AT
THE END OF THE SECOND DAY.
9) A MAN COVERED 28 STEPS IN 30 SECONDS BUT HE DECIDED TO MOVE FAST AND
COVERED 34 STEPS IN 18 SECONDS. HOW MANY STEPS ARE THERE ON THE
ESCALATOR WHEN STATIONARY.
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This paper contains INFOSYS interview questions. =================================================
1> S: Satch J:Jute ANS
person1: Most of us are satch J
person2:Most of us are jute S
person3:Two of us are satch J
person4: Three of us are jute J
person5:I am satch J
we have to find who is satch and who is jute.
2> Four perssons are three to cross a bridge they have one torch light
one person A can cross in 1 min
person B can cross in 2 min
person C can cross in 5 min
person D can cross in 10 min
They have to cross bridge with in 17 min.
At a time only two persons can cross
I A&B ----> 2
II A <----1
III C&D ---->10
IV B <----2
V A&B ---->2
__________
Total 17
3>7 hours hour glass 11 hours hour glass you have to boil one egg for 15 hours 4> What is the maximum number of slices can you obtain by cutting a cake with only 4 cuts? ANS: 16 5> Three are three boxes , In one box Two white balls In two box 2 black balls In three box 1 white &1 black The lables on the boxes are not correct.Then you have to open one box and to find the colour of the balls in all boxes.
Solution: Open the box labled black& white If white balls are there then the box labled with white balls contain black balls and labled with black balls contain one black and one white ball and viceversa if two black ballsare there.
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PART 1
1). A beggr collects cigarette stubs and makes one ful cigarette
with every 7 stubs. Once he gets 49 stubs . How many cigarettes
can he smoke totally.
Ans. 8
2). A soldiar looses his way in a thick jungle at random walks
from his camp but mathematically in an interestingg fashion.
First he walks one mile east then half mile to north. Then 1/4
mile to west, then 1/8 mile to south and so on making a loop.
Finally hoe far he is from his camp and in which direction.
ans: in north and south directions
1/2 - 1/8 + 1/32 - 1/128 + 1/512 - and so on
= 1/2/((1-(-1/4))
similarly in east and west directions
1- 1/4 + 1/16 - 1/64 + 1/256 - and so on
= 1/(( 1- ( - 1/4))
add both the answers
3). hoe 1000000000 can be written as a product of two factors
neither of them containing zeros
Ans 2 power 9 x 5 ppower 9 ( check the answer )
4). Conversation between two mathematcians:
first : I have three childern. Thew pproduct of their ages is 36
. If you sum their ages . it is exactly same as my neighbour's
door number on my left. The sacond mathematiciaan verfies the
door number and says that the not sufficient . Then the first
says " o.k one more clue is that my youngest is the youngest"
Immmediately the second mathematician answers . Can you aanswer
the questoion asked by the first mathematician?
What are the childeren ages? ans 2 and 3 and 6
5). Light glows for every 13 seconds . How many times did it
between 1:57:58 and 3:20:47 am
ans : 383 + 1 = 384
6). 500 men are arranged in an array of 10 rows and 50 columns .
ALL tallest among each row aare asked to fall out . And the
shortest among THEM is A. Similarly after resuming that to their
originaal podsitions that the shorteest among each column are
asked to fall out. And the longest among them is B . Now who is
taller among A and B ?
ans A
7). A person spending out 1/3 for cloths , 1/5 of the remsaining
for food and 1/4 of the remaining for travelles is left with
Rs 100/- . How he had in the begining ?
ans RS 250/-
8). there are six boxes containing 5 , 7 , 14 , 16 , 18 , 29
balls of either red or blue in colour. Some boxes contain only
red balls and others contain only blue . One sales man sold one
box out of them and then he says " I have the same number of red
balls left out as that of blue ". Which box is the one he solds
out ?
Ans : total no of balls = 89 and (89-29 /2 = 60/2 = 30
and also 14 + 16 = 5 + 7 + 18 = 30
9). A chain is broken into three pieces of equal lenths
conttaining 3 links each. It is taken to a backsmith to join into
a single continuous one . How many links are to tobe opened to
make it ?
Ans : 2.
10). Grass in lawn grows equally thickand in a uniform rate. It
takes 24 days for 70 cows and 60 for 30 cows . How many cows can
eat away the same in 96 days.?
Ans : 18 or 19
11). There is a certain four digit number whose fourth digit is
twise the first digit.
Third digit is three more than second digit.
Sum of the first and fourth digits twise the third number.
What was that number ?
Ans : 2034 and 4368
If you qualify in the first part then you have to appear for the second i.e the following part.
Part 2.
1. From a vessel on the first day, 1/3rd of the liquid evaporates. On the second day 3/4th of the remaining liquid evaporates. what fraction of the volume is present at the end of the II day. 2. an orange galss has orange juice. and white glass has apple juice. Bothe equal volume 50ml of the orange juice is taken and poured into the apple juice. 50ml from the white glass is poured into the orange glass. Of the two quantities, the amount of apple juice in the orange glass and the amount of orange juice in the white glass, which one is greater and by how much? 3. there is a 4 inch cube painted on all sides. this is cut into no of 1 inch cubes. what is the no of cubes which have no pointed sides. 4. sam and mala have a conversation. sam says i am vertainly not over 40. mala says i am 38 and you are atleast 5 years older than me. Now sam says you are atleast 39. all the sattements by the two are false. How hold are they realy. 5. ram singh goes to his office in the city, every day from his suburbun house. his driver mangaram drops him at the railway station in the morning and picks him up in the evening. Every evening ram singh reaches the station at 5 o'clock. mangaram also reaches at the same time. one day ramsingh started early from his office and came to the station at 4 o'clock. not wanting to wait for the car he starts walking home. Mangaram starts at normal time, picks him up on the way and takes him back house, half an hour early. how much time did ram singh walk. 6. in a railway station, there are tow trains going. One in the harbour line and one in the main line, each having a frequency of 10 minutes. the main line service starts at 5 o'clock. the harbour line starts at 5.02a.m. a man goes to the station every day to catch the first train. what is the probability of man catchinhg the first train 7. some people went for vaction. unfortunately it rained for 13 days when they were there. but whenever it rained in the morning, they had clean afternood and vice versa. In all they enjoyed 11 morning and 12 afternoons. how many days did they stay there totally 8. exalator problem repeat 9. a survey was taken among 100 people to firn their preference of watching t.v. programmes. there are 3 channels. given no of
people who watch
at least channel 1
" " 2
" " 3
no channels at all
atleast channels 1and 3
" " 1 and 2
" " 2 and 3
find the no of people who watched all three.
10. albert and fernandes they have two leg swimming race. both
start from opposite and of the pool. On the first leg, the boys
pass each other at 18 mt from the deep end of the pool. during
the II leg they pass at 10 mt from the shallow end of the pool.
Both go at const speed. but one of them is faster. each boy
rests for 4 sec to see at the end of the i leg. what is the
length of the pool.
11. T H I S Each alphabet stands for one
I S digit, what is the maximum value T
-------------- can take
X F X X
X X U X
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X X N X X
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1. an escalator is descending at constant speed. A walks down
and takes 50 steps to reach the bottom. B runs down and takes 90
steps in the same time as A takes 10 steps. how many steps are
visible when the escalator is not operating.
2. evvery day a cyclist meets a train at a particular crossing.
the road is straignt before the crossing and both are travelling
in the same direction. cyclist travels with a speed of 10 Kmph.
One day the cyclist comes late by 25 min. and meets the train 5km
before the crossing. what is the seppd of the train.
3. five persons muckerjee, misra, iyer, patil and sharma, all
take then first or middle names in the full names. There are 4
persons having I or middle name of kumar, 3 persons with mohan, 2
persons withdev and 1 anil.
--Either mukherjee and patil have a I or middle name of dev or
misra and iyer have their I or middle name of dev
--of mukherkjee and misre, either both of them have a first or
middle name of mohan or neither have a first or middle name of
mohan
--either iyer of sharma has a I or middle name of kumar hut not
both.
who has the I or middle name of anil
4. reading conprehension
5. a bird keeper has got Ppigeon, M mynas and S sparrows. the
keeper goes for lunch leaving his assistant to watch the birds.
a. suppose p=10, m=5, s=8 when the bird keeper comes back, the
assistant informs the x birds have escaped. the bird keeper
exclaims oh no! all my sparrows are gone. how many birds flew
away.
b. when the bird keeper come back, the assistand told him that
x birds have escaped. the keeper realised that atleast2 sparrows
have escaped. what is minimum no of birds that can escape.
6. select from the five alternatives A,B,C,D,E
AT THE end of each question ,two conditions will be given.
the choices are to filled at follows.
a. if a definete conclusion can be drawn from condition 1
b. if a definete conclusion can be drawn from condition 2
c. if a definete conclusion can be drawn from condition 1 and 2
d. if a definete conclusion can be drawn from condition 1 or 2
e. no conclusion can be drawn using both conditions
1. person 1 says N<5
person says n>5
person 3 says 3N>20
person 4 says 3n>10
person 5 says N<8
whaT IS value of N
a) 1. no of persons who speak false being less than no of persons
who tells the truth.
2. person 2 is telling the truth.
b) 1. no of persong telling the truth is greater than no of
persons telling lies
2. person 5 is telling the truth.
7. there are N coins on a table. there are two players A&B.
you can take 1 or 2 coins at a time. the person who takes the
last coin is the loser. a always starts first
--1. if N=7
a) A can always win by taking two coins in his first chanse
b) B can win only if A takes two coins in his first chance.
c) B can always win by proper play
d) none of the above
--2. A can win by proper play if N is equal to
a) 13 b) 37 c) 22 d) 34 e) 48 ans. e.
--3. B can win by proper play if N is equal to
a) 25 b)26 c) 32 d) 41 e) none
--4. if N<4, can A win by proper play always
8. Two turns have vertain pecular charcteristics. One of them
always lies on Monday, Wednesday, Friday. \the other always lies
on Tuesdays, thursdays and saturdays. On the other days they tel
the truth. You are given a conversation.
person A-- today is sunday my name is anil
person B-- today is tuesday, my name is bill
answers for selected questions 2. equal 1. 150 3. 8 2. 60 kmph 4. 37(M),41(S) 3. Mukherjee 5. 45 min. 8. today is tuesday 6. 0.8 7. 18 11. T max value = 4