TCS OPENSEESAME QUESTION PAPERS / TCS OPEN SESAME QUESTION PAPERS PART 2
TCS OpenSeeSame is a preview of the TCS Assessment Platform. Passing the test in no way guarantees employment in TCS and the candidate must satisfy other specifications and/or requirements to become eligible for selection.Here are frequently asked questions in TCS OpenSeesame.are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, 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)11 c)18 d)13
2) 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 or the leftmost suspect is innocent.
B. All suspects are lying and the leftmost suspect is innocent .
A only B only Both A and B Neither A nor B
3) A circular dartboard of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it
and it hits the dartboard at some point Q in the circle. What is the probability that Q is closer to the
center of the circle than the periphery?
a) 0.25 b) 0.5 c) 1 d) 0.75
4) After the typist writes 12 letters and addresses 12 envelopes, she inserts the letters randomly
into the envelopes (1 letter per envelope). What is the probability that exactly 1 letter is inserted in an
improper envelope?
a) 1/12 b) 12/212 c) 11/12 d) 0
5) The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base
8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are
used in numbering these buildings?
a ) 64 b) 256 c) 192 d)54
6 ) For the FIFA world cup, Paul the octopus has been predicting the winner of each match with
amazing success. It is rumored that in a match between 2 teams A and B, Paul picks A with the same
probability as A's chances of winning.Let's assume such rumors to be true and that in a match
between Ghana and Bolivia, Ghana the stronger team has a probability of 2/3 of winning the game.
What is the probability that Paul will correctly pick the winner of the Ghana-Bolivia game?
a) 2/3 b) 4/9 4) 1/9 5) 5/9
7 ) Alok and Bhanu play the following min-max game. Given the expression
N = 9 + 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
a) 27 b) 0.0 c) 20
8 )Alice and Bob play the following coins-on-a-stack game. 20 coins are stacked one above the other.
One of them is a special (gold) coin and the rest are ordinary coins. The goal is to bring the gold coin to
the top by repeatedly moving the topmost coin to another position in the stack.Alice starts and the players take turns. A turn consists of moving the coin on the top to a position i below the top coin (0 = i = 20). We will call this an i-move (thus a 0-move implies doing nothing). The proviso is that an i-move cannot be repeated; for example once a player makes a 2- move, on subsequent turns neither player can make a 2-move. If the gold coin happens to be on top when it's a player's turn then the player wins the
game. Initially, the gold coinis the third coin from the top. Then Alice has no winning strategy.
a)In order to win, Alice's first move should be a 0-move.
b)In order to win, Alice's first move should be a 1-move.
c)In order to win, Alice's first move can be a 0-move or a 1-move.
9 ) Given 3 lines in the plane such that the points of intersection form a triangle with sides of length
20, 20 and 30, the number of points equidistant from all the 3 lines is
a) 4 b) 1 c)3
10) A sheet of paper has statements numbered from 1 to 40. For all values of n from 1 to 40,
statement n says: 'Exactly n of the statements on this sheet are false.' Which statements are true and
which are false?
a) The 39th statement is true and the rest are false.
b) All the statements are false.
c) The odd numbered statements are true and the even numbered statements are false.
d)The even numbered statements are true and the odd numbered statements are false
11 ) A sheet of paper has statements numbered from 1 to 40. For each value of n from 1 to 40,
statement n says "At least n of the statements on this sheet are true." Which statements are true and
which are false?
a)The first 13 statements are true and the rest are false.
b)The first 26 statements are false and the rest are true.
c)The even numbered statements are true and the odd numbered are false.
d)The odd numbered statements are true and the even numbered are false.
12 ) Alok is attending a workshop "How to do more with less" and today's theme is Working with
fewer digits . The speakers discuss how a lot of miraculous mathematics can be achieved if mankind
(as well as womankind) had only worked with fewer digits.The problem posed at the end of the
workshop isHow many 5 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) 3125 b) 500 c) 375 d) 625
13 ) 10 people meet and shake hands. The maximum number of handshakes possible if there is to be
no "cycle" of handshakes is (A cycle of handshakes is a sequence of k people a1, a2, ......, ak (k > 2)
such that the pairs {a1, a2}, {a2, a3}, ......, {ak-1, ak}, {ak, a1} shake hands).
a) 8 b) 6 c) 9 d) 7
14 ) On planet zorba, a solar blast has melted the ice caps on its equator. 8 years after the ice melts,
tiny plantoids called echina start growing on the rocks. echina grows in the form of a circle and the
relationship between the diameter of this circle and the age of echina is given by the formula
d = 4 * v (t - 8) for t = 8
where d represents the diameter in mm and t the number of years since the solar blast.
Jagan recorded the radius of some echina at a particular spot as 8mm. How many years back did the
solar blast occur?
a) 24 b) 12 c) 8 d) 16
15 ) 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
ans 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?
a) 72 b) 12 c) 6 d) 18
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