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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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(#M40000832) TCS QUESTION tcs recent question Keep an EYE

x/2y = 2a,then 2x/x-2ay=?
a)4 b)8 c)16 d)2

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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(#M40000830) TCS QUESTION tcs recent puzzle Keep an EYE

A man jogs at 6 mph over a certain journey and walks over the same route at 4 mph. What is his average speed for the journey?
a) 2.4 mph b) 4.8 mph c) 4 mph d) 5 mph

Solution

Let the length of the journey = x
so time taken = x/6 for first and x/4 for second journey
so avg. velocity = (x+x)/[(x/6)+(x/4)] = 4.8

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Asked In TCS Yashar (14 years ago)

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(#M40000829) TCS QUESTION tcs recent puzzle Keep an EYE

In the reading room of a library, there are 10 tables, 4 chairs per table. In each table there are different numbers of people seated. How many ways they will sit in the library so that no chair would be blank?
a) 8 b)6 c)2 d)7

Asked In TCS Yashar (14 years ago)

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(#M40000828) TCS QUESTION tcs recent puzzle Keep an EYE

6 persons standing in queue with different age group, after two years their average age will be 43 and seventh person joined with them. Hence the current average age has become 45. Find the age of seventh person?
a) 43 b)69 c)52 d)31

Asked In TCS Yashar (14 years ago)

Solved KTP Read Solution (4)

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(#M40000827) TCS QUESTION tcs recent puzzle Keep an EYE

There are two pipes A and B. If A filled 10 liters in an hour, B can fill 20 liters in same time. Likewise B can fill 10, 20, 40, 80, 160. If B filled 1/16 of a tank in 3 hours, how much time will it take to fill the tank completely?
a) 9 B) 8 c) 7 d) 6

Asked In TCS Yashar (14 years ago)

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(#M40000826) TCS QUESTION tcs recent puzzle Keep an EYE

(1/2) of a number is 3 more than the (1/6) of the same number?
a) 6 b)7 c)8 d)9

Asked In TCS Yashar (14 years ago)

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(#M40000748) INFOSYS QUESTION Keep an EYE

Adding 1/4 of the time from midnight to the present time, to 1/2 of the time from present until midnight, gives the present time. what is the present time.

Asked In Infosys Yashar (14 years ago)

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