INFOSYS PLACEMENT PAPERS ----- Placement Paper 3

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1) a) 10 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 _ _

b) 2 4 16 512 _

Write the next elements in the series.

2) A Man is sitting in the last coach of train could not
find a seat, so he starts walking to the front coach ,he
walks for 5 min and reaches front coach. Not finding a seat
he walks back to last coach and when he reaches there,
train had completed 5 miles. What is the speed of the train.

3) The Old car of Mary requires tyres to be changed after
each 24000 km. If she wants to go for 42000 km journey then
how many minimum number of tyres she will need.

4) A coin is so unbalanced that it may come both heads in 2
tosses as it may come tails in a single toss. What is the
probabality of getting a head in a single toss.

5) A pen, pencil and eraser together cost $1.00. if 2E<N ,
if N>2P, and 3P>4E then what a single pen will cost?

6) A local forecast service has accuracy of 2/3 says No
rain , and Meteriological service having accuracy of 4/3
says Rain. if Preference is as no rain what is the chance
of rain?

7) Sherlock holmes thrwated the plan to kidnapp Mrs mary
when they were questioned Mercy and his two associated
shipy and rany.when they were telling the story one of them
told one thing wrong and other true, the other told both
true, and the last told both false. examining the following
tell the roles played by each

Mercy:: 1) i wrote the ransome note

2) shipy broke into the window

rany 1) shipy wrote the ransome note

2) mercy ran away with the lady

shipy 1)i broke into the window

2)rany wrote the ran some note.

8) Tom asked kim did you like the stamps? She said yes ,me
and rob too liked them. Kim again said that rob got 3 more
than he would have got, if i would have kept 2 more than,
what he got. Tom asked how many u gave Rob? She replied 2
more than what I got. Tell, how many stamps each rob and
kim got?

9) The virgo club members used to meet every week to play
cards. Each time they used to seat around a round table and
for their memory they used all the possiblecombinations of
postions each for a single time only. Can you tell for how
many times they met?

Essays Asked

If you are given a chance to change a thing in you
hometown, what would you change? Give examples why you want
to do so.

Television is creating a communication gap among young
generation.

1. From a vessel, 1/3rd of the liquid evaporates on the
first day. On the second day 3/4th of the remaining liquid
evaporates. What fraction of the volume is present at the
end of the second day.

Ans: 50%.

2. An orange glass has orange juice and white glass has
apple juice both of equal volumes. 50 ml of the orange
juice is taken and poured into the apple juice. 50 ml 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?

Ans: The two quantities are equal.

3. There is a 4 inch cube painted on all sides. This is cut
down into of 1 inch cubes. What is the no of cubes which
have no pointed sides?

Ans: 8.

4. Sam and Mala have a conversation. Sam says I am
certainly 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 statements by the two are false. How
old are they really?

Ans: Mala = 38 yrs; Sam = 41 yrs.

5. Ram Singh goes to his office in the city, every day from
his suburban house. His driver Gangaram 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. Gangaram also reaches at the same time. One day
Ram Singh 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 two 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 and the harbour line starts at 5.02A.M. A man goes
to the station every day to catch the first train that
comes. What is the probability of the man catching the
first train?

Ans: 0.8.

7. A family X went for a vacation. Unfortunately it rained
for 13 days when they were there. But whenever it rained in
the mornings, they had clear afternoons and vice versa. In
all they enjoyed 11 mornings and 12 afternoons. How many
days did they stay there totally?

Ans: 18.

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

9. Albert and Fernandes have two leg swimming race. Both
start from opposite ends of the pool. On the first leg, the
boys pass each other at 18 m from the deep end of the pool.
During the second leg they pass at 10 m from the shallow
end of the pool. Both go at constant speed but one of them
is faster. Each boy rests for 4 seconds at the end of the
first leg. What is the length of the pool?

10. Each alphabet stands for one digit in the following
multiplication.

T H I S
x I S
---------
X F X X
X X U X
------------
X X N X X
------------
What is the maximum value T can take?

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