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Placement Papers with Solutions

(#M40153012) TCS QUESTION Keep an EYE

three distinct single digit number A ,B, And C are in geometric progression . If abs(x) for real (x) for real x is the absolute value of X (x if x is positive or zero and -x if x is negative). then the number of diffrent possible value of abs (A+B-C) is

Asked In TCS vaishali rathore (10 years ago)

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(#M40152939) TCS QUESTION Keep an EYE

the cost of manufacturing an article is made up of material, labour and overheads in the radio 4:3;2 .if the cost of labour is 45 find the profit % if article sold for 180.
a) 50%b)33.33% c)25% d)20%

Asked In TCS vaishali rathore (10 years ago)

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(#M40152893) TCS QUESTION Keep an EYE

Paul the octopus who has been forecasting the outcome of FIFA world cup matches with tremendous
accuracy has now been invited to predict ICC world cup matches in 2011. Wewill assume that the world cup
contenders have been divided into 2 groups of 9 teams each. Each team in a group plays the other teams in the
group. The top two teams from each group enter the semifinals ( after which the winner is decided by
knockout).
However, Paul has a soft spot for India and when India plays any team, Paul always backs India. Alas, his
predictions on matches involving India are right only 2 out of 3 times. In order to qualify for the semi finals, it
is sufficient for India to win 7 of its group matches. What is the probability that India will win the ICC world
cup?
a) (2/3)^10
b) (2/3)^9 + 8/3 * (2/3)^9
c) 8/3 * (2/3)^9
d) (2/3)^10 + 8/3*(2/3)^9

Asked In TCS vaishali rathore (10 years ago)

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(#M40152892) TCS QUESTION Keep an EYE

Six friends decide to share a big cake. Since all ofthem like the cake, they begin quarreling who gets to
first cut and have a piece of the cake. One friend suggests that they have a blindfold friend choose from well
shuffled set of cards numbered one to six. You check and find that this method works as it should simulating a
fair throw of a die. You check by performing multiple simultaneous trials of picking the cards blindfold and
throwing a die. You note that the number shown by the method of picking up a card and throwing a real world
die, sums to a number between 2 and 12. Which total would be likely to appear more often – 8,9 or 10?
a) 8
b) All are equally likely
c) 9
d) 10

Asked In TCS vaishali rathore (10 years ago)

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(#M40152891) TCS QUESTION Keep an EYE

A number when divided by D leaves a remainder of 8 and when divided by 3D leaves a remainder of 21 .
What is the remainder left, when twice the number is divided by 3D?
a) 13
b) cannot be determined
c) 3
d) 42 (solution:c)

Asked In TCS vaishali rathore (10 years ago)

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(#M40152890) TCS QUESTION Keep an EYE

How many four digit numbers can be formed using the digits 1, 2,3,4 ,5 ( but with repetition) that are divisible
by 4?

Asked In TCS vaishali rathore (10 years ago)

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(#M40152889) TCS QUESTION Keep an EYE

In the reading room of a library, there are23 reading spots.Each reading spot consists of a round table
with 9 chairs placed around it. There are some readers such that in each occupied reading spot there are
different numbers of readers. If in all there are 36 readers, how many reading spots do not have even a single
reader?
a) 8
b) None
c) 16
d) 15

Asked In TCS vaishali rathore (10 years ago)

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(#M40152887) TCS QUESTION Keep an EYE

Middle – earth is a fictional land inhabited by Hobbits, Elves, dwarves and men. The Hobbits and the
Elves are peaceful creatures who preferslow, silent lives and appreciate nature and art. The dwarves and the
men engage in physical games. The game is as follows . A tournol is one where out ofthe two teams that play a
match, the one that loses get eliminated. The matches are played in different rounds where in every round ,
half of the teams get eliminated from the tournament. If there are 8 rounds playedin a knock-out tournol how
many matches were played?
a) 257
b) 256
c) 72
d) 255

Asked In TCS vaishali rathore (10 years ago)

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(#M40152886) TCS QUESTION Keep an EYE

A research lab in Chennai requires 100 mice and 75 sterilized cages for a certain set of laboratory
experiments . To identify the mice, the lab has prepared labels with numbers 1 to 100 , by combining tags
numbered 0 to 9. The SPCA requires that the tags be madeof toxin-free material and that the temperature of
the cages be maintained at 27 degree Celsius. Also , not more than 2 mice can be caged together and each cage
must be at least 2 sq.ft in area. The 5 experiments tobe conducted by lab are tobe thoroughly documented and
performed only after a round of approval by authorities. The approval procedure takes around 48 hours. How
many times is the tag numbered '4' used by the lab in numbering these mice?
a) 9
b) 19
c) 20
d) 21

Asked In TCS vaishali rathore (10 years ago)

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(#M40152885) TCS QUESTION Keep an EYE

Francois Pachet , a researcher at Sony Computer Science laboratories is also a jazzmusician. He decided
to build a robot able to improvise like a pro. Named Continuator, the robotcan duet with a live musician in
real- time. It listens to a musical phrase and then computes a complementary phrase with the same playing
style. If the cost of making the robot is divided between and then computes a complementary phrase with the
same playing style. If the cost of making the robot is divided between materials , labour and overheads in the
ratio of 4:6:2.If the materials cost$108. the cost of the robot is
a) $270
b) $324
c) $216
d) $ 648

Asked In TCS vaishali rathore (10 years ago)

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