TCS Placement Paper 2011. Here you will find TCS Placement Paper January 2011 with Answers & Solutions, Pattern, Free Download, Questions, Latest, TCS Placement Paper January 2011.
TCS Placement Paper January 2011 :
Q. 1.: There are two water tanks A and B, A is much
smaller than B. While water fills at the rate of 1 liter every hour in
A, it gets filled up like, 10, 20, 40,80, 160…..in tank B. 1/8 th of the
tank B is filled in 22 hours. What is the time to fill the tank fully?
a) 26
(b) 25
(c) 5
(d) 27
Ans: 22+log 2 base 8=22+4=26
Q.2.: A sheet of paper has statements numbered from 1
to 70. For all values of n from 1 to 70. Statement n says 'At least n of
the statements on this sheet are false.' Which statements are true and
which are false?
(a) The even numbered statements are true and the odd numbered are false.
(b) The odd numbered statements are true and the even numbered are false.
(c) The first 35 statements are true and the last 35 are false.
(d) The first 35 statements are false and the last 35 are false.
Ans. c
Note: For this type of Questions, follow this:
At least I'st half are true, Last half are false
Exactly Last second one is true or (N1)th Statement is true
Almost All are true.
Q 3. : Unnecessary data. A lady has fine gloves and
hats in her closet 18 blue 32 red , 10 white , 25 yellow, 55 purple,
30 orange. The lights are out and it is totally dark in spite of the
darkness. She can make out the difference between a hat and a glove. She
takes out an item out of the closet only if she is sure that if it is a
glove. How many gloves must she take out to make sure she has a pair of
each color of blue, red, yellow?
(a) 59
(b) 8
(c) 50
(d) 42
Ans: a(32+25+2)
Note: For this type of questions:
Bigger+Middle+1 (Suppose 18, 32, 25 =32+25+1), If you do not find answer
in options, choose the one closer those the answer you got.
Q 4. The IT giant Tirnop has recently crossed a head
count of 150000 and earnings of $7 billion. As one of the forerunners in
the technology front, Tirnop continues to lead the way in products and
services in India. At Tirnop, all programmers are equal in every
respect. They receive identical salaries and also write code at the same
rate. Suppose 12 such programmers take 12 minutes to write 12 lines of
code in total. How long will it take 72 programmers to write 72 lines of
code in total?
For this type question you should follow d step of basic math that will helpful you get enough time from that.
12 prog 12 line 12 min
1 prog 12 line 12*12
1 1 12*12/12
72 1 12*12/(12*72)
72 72 12*12*72/(12*72)
Ans:12
Note: This question appears 3 times in our question but app is different please follow basic rule think it it is very very easy.
Q.5.: 12 people {a1, a2, …, a12} meet and shake hands
in a circular fashion. In other words, there are totally 36 handshakes
involving the pairs, {a1, a2}, {a2, a3}, …, {a11, a12}, {a12, a1}. Then
size of the smallest set of people such that the rest have shaken hands
with at least one person in the set is
(a) 12
(b) 4
(c) 18
(d) 11
Ans. B (N/3)
Q 6.: 10 suspects are rounded by the police and
questioned about a bank robbery. Only one of them is guilty. The
suspects are made to stand in a line and each person declares that the
person next to him on his right is guilty. The rightmost person is not
questioned. Which of the following possibilities are true?
A. All suspects are lying.
B. leftmost suspect is innocent.
C. leftmost suspect is guilty
(a) A only
(b) A or C
(c) A or B
(d) B only
Ans. c
Note: Remember it I don't know the logic
Q.7.: Alok and Bhanu play the following minmax game.
Given the expression N = 15 + X*(Y – Z) Where X, Y and Z are variables
representing single digits (0 to 9), Alok would like to maximize N while
Bhanu would like to minimize it. Towards this end, Alok chooses a
single digit number and Bhanu substitutes this for a variable of her
choice (X, Y or Z). Alok then chooses the next value and Bhanu, the
variable to substitute the value. Finally Alok proposes the value for
the remaining variable. Assuming both play to their optimal strategies,
the value of N at the end of the game would be?
Ans. 15+18 =33
Note: For this type of questions:
x+yz=11
xyz=2
x*(y+z)=18
Q.8. How many four digit numbers can be formed using
the digits 1, 2, 3, 4, 5 (but with repetition) that are divisible by 4?
Can you help Alok find the answer?
(a) 100
(b) 125
(c) 75
(d) 85
Ans:. 5^n1= 5^41=125, n= no of digits
Q.9 Given a collection of points P in the plane , a
1set is a point in P that can be separated from the rest by a line,
.i.e the point lies on one side of the line while the others lie on the
other side. The number of 1sets of P is denoted by n1(P). The minimum
value of n1(P) over all configurations P of 5 points in the plane in
general position (.i.e no three points in P lie on a line) is
(a) 3
(b) 5
(c) 2
Ans. Will be same as no of points in the plane, IE 5
Q.10. There are 2 friends Peter and Paul. Peter age is
twice as old as Paul when peter was as old as Paul is now. Sum of the
present ages of Peter and Paul is 35.What is the present age of Peter?
Ans. is 20
Q.11. A lady took out jacket and gloves, which are
available in blue 16, yellow 40 and red 36. Power goes off, she can
distinguish between gloves and jacket but not in colors. What's the
possibility their she will pick up pair of gloves of each color.
Ans. very easy..
Q.12. Two bowls are taken, one contains water and
another contains tea. One spoon of water is added to second bowl and
mixed well, and a spoon of mixture is taken from second bowl and added
to the second bowl. Which statement will hold good for the above?
Ans. second liquid in first bowl is smaller than the first mixture in second bowl)
Q.13. Rearrange and categorize the word ‘IGTRE’?
Ans. Animal (TIGER)
Q.14. One grandfather has three grandchildren, two of
their age difference is 3, eldest child age is 3 times youngest child’s
age and eldest child’s age is two times of sum of other two children.
What is the age of eldest child?
Ans. 18
Q.15. The ticket for a journey is in the range of 1 to
63 paise. You have 63 paise in your pocket and so on. and the question
is You have to change the money into coins and all denominations are
available at final. You have to buy the ticket and you should have at
least one coin? (not same figures)
Ans. 64 (Just add 1 to highest i.e. 63+1)
Q.16. The sum of two numbers is given and product is also given find the square of difference of two numbers..
Ans. (ab)2=a2+b2+2ab..
Q 17. The dog and here are running, dog crosses the
roads, rivers and different. Here start running after 2 hours of dog
running, dog runs 30kmph in 6 hours then what is the average speed of
here?
(values are not same)
Ans. 30*6/4
Q.18. There are some chocolates. A woman can eat
3chocolates and a man can eat 1 chocolate and a child can eat half
chocolate. then 20 chocolates is divided in...
Ans. Go through the options( 5Woman, 3man, 4children).
Q.19. A water tank is filled in the way as 256,128,64,... th parts in every hour, then in how many hours the tank will filled?
Ans. 256,128,64,32,16,8,4,2,1 ( 9 hours) values are not same..
Q.20. The age of Ram and Sayam are in the ratio 5:6 and after 4 years their ratios are 7:8 then what is the present age of Sayam?
Ans. 12years (names and values may change)
Q.21. In school there are some bicycles and 4wheeler
wagons.one Tuesday there are 190 wheels in the campus. How many bicycles
are there?
Ans. 15
Q.22 Six friends go to pizza corner there are 2 types
of pizzas. And six different flavors are there they have to select 4
flavors from 16 flavors. In how many ways we can select?
Ans. 16C4
Q.23. 3, 15, x, 51, 53,159,161. Find X
Ans. 17
Q.24 3 friends A, B, C went for week end party to
McDonald’s restaurant and there they measure there weights in some order
IN 7 rounds. A B C AB BC AC ABC. Final round measure is 155 kg then
find the average weight of all the 7 rounds?
Ans. 4(155)/7=31
Q.25. The cost of making robot is divided into cost of
material, cost of repairing and cost of painting in the ratio of 5:2:3.
The cost used for material is 200. Find the total cost of making the
robot?
Ans. 400 (just calculate it).
Q.26. A triangle is made from a rope. The sides of the
triangle are A cm, B cm and C cm (I do not remember the numerical
value)What will be the area of the square made from the same rope?
Ans. ( (A+B+C)/4)2
Q.27. What is the distance of the zintercept from the
xintercept in the equation ax+by+cz=d (I do not remember the values of
a, b, c, d).
Ans. sqrt ((d/a) 2+ (d/c) 2)
Q.28. A scientist in Antarctic region conducts research
on bears came to know that bears changes according to the location
.once he moves 1 mile towards north, then he moves 2 miles towards east,
then 1 mile towards south. Now the color of bear he found will be in:
Ans. white
Q.29. Two pipes A and B fill at A certain rate B is
filled at 10,20,40,80,. If 1/16 of B if filled in 17 hours what time it
will take to get completely filled
Ans. 21
Q.30. A boy bought a roll A of 56 inches wide and 141
yards long. He also bought B of 77 inches wide of length 333yards. We
don’t want any details of B. Some irrelevant matter. Final question is
Time taken for cutting A into 1 yard piece is 2 seconds. Time taken to
cut into 141 pieces of 1 yard each is?
Ans. is 2(141) =242
Q.31. Person buys a horse for 15 ponds, after one year
he sells it for 20 pounds. After one year, again he buys the same horse
at 30 pounds and sells it for 40 pounds. What is the profit for that
person?
Ans. is 15 pounds
Q.32. There are 1000 pillars for a temple. 3 friends
Linda, Chelsey, Juli visited that temple. (Some unrelated stuff) Linda
is taller than Chelsea and taller than 2 of 1000 pillars. Julia is
shorter than Linda. Find the correct sentence?
(a) Linda is shorter among them
(b) Chelsea is taller than Julia
(c) Chelsea is shorter than Julia
(d) Cannot determine who is taller among Chelsea and Julia
Ans. (d)
Q.33. In a family there are some boys and girls. All
boys told that they are having equal no of brothers and sisters and
girls told that they are having twice the no. of brothers than sisters.
How many boys and girls present in a family?
Ans. is 4 boys and 3 girls
Q.34. Ram buys a cycle for 31 dollars and given a
cheque of amount 35 dollars. Shop Keeper exchanged the cheque with his
neighbor and gave change to Ram. After 2 days, it is known that cheque
is bounced. Shop keeper paid the amount to his neighbor. The cost price
of cycle is 19 dollars. What is the profit/loss for shop keeper?
Ans. is 23(cost price + change given).
Q.35. Metal strip of width ‘x’ cm. 2 metal strips are
placed one over the other, then the combine length of 2 strips is ‘y’.
If ‘z’ strips are placed in that manner. What is the final width of that
arrangement?
Ans. is (z1) (yx) +x.
Q.36. A game is played between 2 players and one player
is declared as winner. All the winners from first round are played in
second round. All the winners from second round are played in third
round and so on. If 8 rounds are played to declare only one player as
winner, how many players are played in first round
Ans. is 28.
Q.37. There are 3 boys A, B, C and 2 Girls D, E. D
always sit right to A. Girls never sit in extreme positions and in the
middle position. C always sits in the extreme positions. Who is sitting
immediate right to E?
Ans. is B or C
Q.38. 49 members attended the party. In that 22 are
males, 17 are females. The shake hands between males, females, male and
female. Total 12 people given shake hands. How many such kinds of such
shake hands are possible?
Ans. is 12C2
Q.39. Entry ticket to an exhibition ranges from 1p to
31p. You need to provide exact change at the counter. You have 31p coin.
In how many parts will u divide 31p so that u will provide the exact
change required and carry as less coins as possible?
(a) 22
(b) 31
(c) 6
(d) 32
Ans. is 6
Q 40. There are 2 scales of temp A & B. It was
given A varies from 14 to 133 and B varies from 36 to 87. Find the
temperature, when temperature of A is equal to temp of B.
Ans: 52.5.
Let t=mx+c, c=70 => m=51/119
a=a.51/119 70 => a=52.5.
January 20, 2012
TCS Placement Paper January 2011 with Answers & Solutions, Pattern, Free Download
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