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Frequently Asked TCS Placement Papers with Solution Page 913

(#M40000857) TCS QUESTION Keep an EYE

you hav coins of all dimensions. You need to provide exact change at the counter. You have 155p coin. In how many parts will u divide this so that u will provide the exact change required and carry as less coins as possible?

Asked In TCS Bhavani (14 years ago)

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(#M40000834) TCS QUESTION tcs recent question Keep an EYE

On planet korba, a solar blast has melted the ice caps on its equator. 9 years after the ice melts, tiny planetoids called echina start growing on the rocks. Echina grows in the form of circle, and the relationship between the diameter of this circle and the age of echina is given by the formula d = 4*[sqrt(t-9)] for t>9, 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 7mm. How many years back did the solar blast occur?
a) 17 b) 21.25 c) 12.25 d) 14.05

Asked In TCS Yashar (14 years ago)

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(#M40000833) TCS QUESTION tcs recent question Keep an EYE

A lady has fine gloves and hats in her closet- 18 blue, 32 red, and 25 yellow. 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?
a)50 b)8 c)60 d)42

Solution

It is not given that how many of these items are gloves and how many are hats, if we consider that all the items are gloves then according to my opinion 32+25+2 = 59 gloves, she must take out to make sure she has a pair of each color. But closest option is 60 so it will be the answer

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Asked In TCS Yashar (14 years ago)

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(#M40000831) TCS QUESTION tcs recent question Keep an EYE

A boy wants to make cuboids of dimension 5m, 6m and 7m from small cubes of .03 m3. Later he realized he can make same cuboids by making it hollow. Then it takes some cubes less. What is the number of the cubes to be removed?
a) 2000 b) 5000 c) 3000 d) 7000

Solution

volume of the small cube = 0.03 m^3
so side of this cube = cubic root of 0.03 m^3 = .312 m
so after removing the outermost layer the dimensions for the inner cuboid will be (5-2*0.312), (6-2*0.312), (7-2*0.312)
so total volume will be (4.376)*(5.376)*(6.376) = 150 m^3
so no of cubes will be 150/0.03 = 5000
so we can remove 5000 inner cubes


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Asked In TCS Yashar (14 years ago)

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(#M40000821) TCS QUESTION Keep an EYE

Tom, Dick and harry, weigh themselves in a particular order.
First Tom, Dick, and Harry weigh themselves individually and then tom and Dick, Dick and Harry, Tom and
Harry and then Tom, Dick and harry together respectively. The recorded weight for the last measure is 158 kgs.
The average of all the 7 measures is
(a)112.86 (b)52.67 (c)90.29 (d)67.71

Asked In TCS Akeefar (14 years ago)

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(#M40000818) TCS QUESTION Keep an EYE

Given a collection of points P in the plane , a 1-set 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 1-sets 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 (d)7

Solution

The meaning of this question is little complicated. In easy language the question should be:


There are some points in the plane. We have to make a separation between these points by forming a line in such a way that one point could be separate from the others. No 3 points are in a line. Maximum no of methods for plotting the line and minimum no of methods for plotting the line will be (arrangement of points is your choice)

Now Answer Is:

For Maximize: The number of methods, Points should be drawn in the circumference of the CIRCLE So answer would be the number of total point in the plane.

For minimize: The number of methods we should draw 3 points in a TRIANGLE and all other point inside this triangle in such a way that no 3 points could be in a line.

If it will be allowed to draw the points in a line then minimum possibilities will be 2 only, because if we take all points in a line then you can separate only the corner points from the others.

For example
If we have 10 points then maximum possibilities = 10
and minimum = 3

similarly for 5 points
Max = 5, Min = 3

for 19
max= 19 Min = 3


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Asked In TCS Akeefar (14 years ago)

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(#M40000808) TCS QUESTION Keep an EYE

A lady had fine gloves and hats. 25 blue, 7 red and 9 gey. She had to select a pair among them. But there was no light so she had to select in darkness the correct pair with a glove and a hat. Therefore how many combinations of same color she can select?

Asked In TCS arun (14 years ago)

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(#M40000807) TCS QUESTION Keep an EYE

Lady has 2 select gloves & hat from a basket. In the dark, she can distinguish hat & gloves. 14 red, 20 blue, 18 green are there. Find probability that any selected glove pair has same color.

Asked In TCS arun (14 years ago)

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(#M40000806) TCS QUESTION Keep an EYE

A lady took out jacket and gloves, which are avialable in blue
16, yellow 40 and red 36. Power goes off, she can distinguish between
gloves and jacket but not in colors. What is the possibilty their she
will pick up pair of gloves of each color. A lady has fine gloves and
hats in her closet- 18 blue- 32 red and 25 yellow. The lights are out
and it is totally dark inspite 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 colour?
a) 50 b) 8 c) 60 d) 42

Solution

16c2 + 40c2 + 36c2)/92c2
This answer is given by MUKESH RANJAN MALLICK and is correct answer

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Asked In TCS arun (14 years ago)

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(#M40000720) TCS QUESTION Keep an EYE

Two trains move in the same direction at speeds 50 kmph and 32 kmph respectively. A man in the slower train observes that 15 seconds elapse before the faster train completely passes by him. What is the length of faster train?
(a) 100m (b) 75m (c) 120m (d) 50m

Asked In TCS Rajeev Singh (14 years ago)

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