Infosys Puzzles -2

31)Post man has a data of name surname door number, pet name of 4 families. But only
one is correct for each family. There are a set of statements & questions.

33) 4 couples have a party. Depending on the set of statements, find who insulted
whom and who is the host of the party.

34) 5 women given some of their heights (tall,medium,short) Hair( long, plainted),
stards(Black or Brown), sari,2 medium,2-short.Tall->no sari.Plainted->medium. Answer
the combinations.

35) A person has to go both Northwards & Southwards in search of a job. He decides to
go by the first train he encounters.There are trains for every 15 min both southwards
and northwards. First train towards south is at 6:00 A.M. and that towards North is at
6:10. If the person arrives at any random time, what is the probability that he gets into a
train towards North.

36) A person has his own coach&. Whenever he goes to railway station he takes his
coach. One day he was supposed to reach the railway station at 5 O'clock. But he
finished his work early and reached at 3 O'clock. Then he rung up his residence and
asked to send the coach immediately. He came to know that the coach has left just now
to the railway station. He thought that the coach has left just now to the railway station.
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He thought that he should not waste his time and started moving towards his residence
at the speed of 3 miles/hr. On the way, he gets the coach and reaches home at 6 o'clock.
How far is his residence from railway station.

37) Radha,Geeta & Revathi went for a picnic. After a few days they forgot the date, day
and month on which they went to picnic. Radha said that it was on Thursday, May 8 and
Geeta said that it was Thursday May 10. Revathi said Friday Jun 8. Now one of them told
all things wrongly, others one thing wrong and the last two things wrongly. If April 1st is
tuesday, what is the right day, date and month?


38. There is 66x33m rectangular area. Ram is 11/8 times faster than Krishna. Both of
them started walking at opposite ends and they met at some point then, Ram said "See
you in the other end" Then they continued walking. After some time Ram thought he
will have tea so he turned back walked back 15 meters then he changed his mind again
andcontinued walking. How much Krishna has traveled by the time they meet?

39. There are 5 burglars and once went to a bakery to rob it obviously The first guy ate
1/2 of the total bread and 1/2 of the bread. The second guy ate 1/2 of the remaining
and 1/2 of the bread. The third guy ,fourth guy and fifth guy did the same. After fifth guy
there is no bread left out. How many bread are there?




40. All members belonging to D are members of A.
All members belonging to E are members of D.
All members belonging to C are members of both A & D.
Some members of A does not belong to D. All members belonging to D are members of
E.    5 questions are there.

41. Write each statements true or false:-
1. The sum of the 1st three statements and the 2nd false statement gives the true
statement.
2.The no. of true statements false statement.
3. The sum of 2nd true statement and 1st false statement gives the first true statement.
4. There are at most 3 false statements.
5.There is no two consecutive true statements.

42. There are twelve consecutive flags at an equal interval of distance. A man passes the
8th flag in 8 seconds. How many more seconds will he take to pass the remaining 4
flags?

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43. A person has to cover the fixed distance through his horses. There are five horses in
the cart. They ran at the full potential for the 24 hours continuously at constant speed
and then two of the horses ran away to some other direction. So he reached the
destination 48 hours behind the schedule. If the five horses would have run 50 miles
more, then the person would have been only 24 hours late. Find the distance of the
destination.

44. A boat M leaves shore A and at the same time boat B leaves shore B. They move
across the river. They met at 500 yards away from A and after that they met 300 yards
away from shore B without halting at shores. Find the distance between the shore A &
B.  
45. A person was going through train from Bombay to Pune. After every five minutes he
finds a train coming from opposite direction. Velocity of trains are equal of either
direction. If the person reached Pune in one hour then how many trains he saw in the
journey?

46. Food grains are to be sent to city from godown. Owner wants to reach the food
grains at 11 O' Clock in the city. If a truck travels at a speed of 30km/hr then he will
reach the city one hour earlier. If the truck travels at a speed of 20km/h then he will
reach the city one hour late. Find the distance between the godown to city. Also with
which speed the truck should travel in order to reach at exactly 11 'O clock.

47. There are five persons A,B,C,D,E whose birthdays occur at the consecutive days.
Birthday of A is some days or day before C & birthday of B is exactly the same days or
day after E. D is two days older than E. If birth day of C is on Wednesday then find out
the birthdays of other.




48. 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?

49. Six persons A,B,C,D,E &F went to soldier cinema. There are six consecutive seats. A
sits in the first seat followed by B, followed by C and so on. If A taken on of the six seats,
then B should sit adjacent to A. C should sit adjacent to A or B. D should sit adjacent to
A, B or C and so on. How many possibilities are there ?

50. Suppose there are four grades A, B, C, D. (A is the best and D is the worst) 4 persons
Jack, Jean, Poul and Lucy wrote the final exam and made the statements like this:-
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1. Jack: If I will get A then Lucy will get D.
2. Lucy: If I will get C then Jack will get D.
Jack grade is better than Poul grade.
3. Jean: If Jean doesn't get A then Jack will not get A.
4. Poul: If Jack get A, then Jean will not get B, Lucy will get C, I won't either A or B.
If all the above statements are true, then which person will get which grade?

51. Each man dances with 3 women, Each women dances with 3 men. Among each pair
of men they have exactly two women in common. Find the no. of men and women.

52. A survey was taken among 100 people to find their preference of watching t.v.
programmes. There are 3 channels. Given no of people who watch at least channel 1, at
least channel 2,at least channel 3, no channels at all, at least channels 1 and 3, at least
channels 1 and 2, at least channels 2 and 3. Find the no of people who watched all
three.


53. A bird keeper has got P pigeon, M mynas and S sparrows. The keeper goes for lunch
leaving his assistant to watch the birds. Suppose p=10, m=5, s=8.
a.) When the bird keeper comes back, the assistant informs that 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 assistant told him that x birds have escaped.
The keeper realised that atleast 2 sparrows have escaped. What is minimum no of birds
that can escape.

54. 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 as follows.
A: If a definite conclusion can be drawn from condition 1.
B: If a definite conclusion can be drawn from condition 2.
C: If a definite conclusion can be drawn from condition 1 and 2.
D: If a definite 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 2 says n>5.
Person 3 says 3N>20
Person 4 says 3n>10
Person 5 says N<8.
What is the value of N?

55. There are N coins on a table. There are two players A&B. You can take 1or 2 coins at
a time. The person who takes the last coin is the loser. A always starts first .



    1. If N=7, then
    a) A can always win by taking two coins in his first
    b) B can win only if A takes two coins in his first ch
    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?

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