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Tcs Placement Papers with Solution Page 912

(#M40000432) TCS QUESTION Keep an EYE

Planet fourfi resides in 4-dimensional space and thus the currency used by its residents are 3-dimensional objects. The rupee notes are cubical in shape while their coins are spherical. However the coin minting machinery lays out some stipulations on the size of the coins.
a) The diameter of the coins should be at least 64mm and not exceed 512mm.
b) Given a coin, the diameter of the next larger coin is at least 50% greater.
c) The diameter of the coin must always be an integer.
You are asked to design a set of coins of different diameters with these requirements and your goal is to design as many coins as possible. How many coins can you design?
a) 9
b) 5
c) 8
d) 6

Asked In TCS Adarsh (14 years ago)

Solved Bimal Read Solution (5)

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(#M40000431) TCS QUESTION Keep an EYE

Alok and Bhanu play the following min-max game. Given the expression
N = 12 + 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) 12
b) 93
c) 30
d) -69

Asked In TCS Adarsh (14 years ago)

Solved rajeev Read Solution (8)

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(#M40000430) TCS QUESTION Keep an EYE

Anoop managed to draw 7 circles of equal radii with their centres on the diagonal of a square such that the two extreme circles touch two sides of the square and each middle circle touches two circles on either side. Find the ratio of the radius of the circles to the side of the square.
1) [2+ 7sqrt(2)]:1
2) 1:[2+ 6sqrt(2)]
3) 1:[2+ 7sqrt(2)]
4) 1:(4+ 7sqrt(3)]

Asked In TCS Adarsh (14 years ago)

Solved Mugil Vannan Read Solution (3)

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(#M40000429) TCS QUESTION Keep an EYE

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) 3
c) 1
d) 0

Solution

4 is the correct answer
the first point equidistant to all the three lines will be incentre, the other 3 will be excentres of the triangle, formed on outside the 3 sides

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Asked In TCS karthikeyan (14 years ago)

Solved Read Solution (9)

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(#M40000428) TCS QUESTION Keep an EYE

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 right most 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 .
Neither A nor B
Both A and B
B only
A only

Asked In TCS karthikeyan (14 years ago)

Solved Mugil Vannan Read Solution (7)

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(#M40000427) TCS QUESTION Keep an EYE

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) 18
b) 72
c) 6
d) 12

Asked In TCS karthikeyan (14 years ago)

Solved Sathish Read Solution (13)

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(#M40000426) TCS QUESTION Keep an EYE

One day Alice meets pal and byte in fairyland. She knows that pal lies on Mondays, Tuesdays and Wednesdays and tells the truth on the other days of the week, byte on the other hand lies on Thursdays, Fridays and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Alice.
Pal: Yesterday was one of those days when I lie
Byte: Yesterday was one of those days when I lie too.
What day is it?
option
a) Thursday
b) Tuesday
c) Monday
d) Sunday

Asked In TCS karthikeyan (14 years ago)

Solved Vadivelan M Read Solution (11)

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(#M40000425) TCS QUESTION Keep an EYE

A and B play a game of dice between them. The dice consist of colors on their faces (instead of numbers). When the dice are thrown, A wins if both show the same color; otherwise B wins. One die has 4 red face and 2 blue faces. How many red and blue faces should the other die have if the both players have the same chances of winning?
option
a) 3 red and 3 blue faces
b) 2 red and remaining blue
c) 6 red and 0 blue
d) 4 red and remaining blue

Asked In TCS karthikeyan (14 years ago)

Solved madhuri Read Solution (10)

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(#M40000424) TCS QUESTION Keep an EYE

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?
option
a) 0.75
b) 1
c) 0.5
d) 0.25

Asked In TCS karthikeyan (14 years ago)

Solved Adarsh Read Solution (7)

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(#M40000423) TCS QUESTION Keep an EYE

36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there 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
option
a) 12
b) 11
c) 13
d) 18

Asked In TCS karthikeyan (14 years ago)

Solved Vadivelan M Read Solution (10)

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