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Infosys Puzzles Interview Questions
Questions Answers Views Company eMail

If you started a business in which you earned Rs.1 on the first day, Rs.3 on the second day, Rs.5 on the third day, Rs.7 on the fourth day, & so on. How much would you have earned with this business after 50 years (assuming there are exactly 365 days in every year)?

7 13803

500 men are arranged in an array of 10 rows and 50 columns according to their heights. Tallest among each row of all are asked to come out. And the shortest among them is A. Similarly after resuming them to their original positions, the shortest among each column are asked to come out. And the tallest among them is B. Now who is taller A or B ?

14 24831

SkyFi city is served by 6 subway lines - A, E, I, O, U and Z. ? When it snows, morning service on line E is delayed. ? When it rains or snows, service on the lines A, U and Z is delayed both morning and afternoon. ? When the temperature drops below 20 C, afternoon service is cancelled on either line A or line O, but not both. ? When the temperature rises above 40 C, afternoon service is cancelled on either line I or line Z, but not both. ? When service on line A is delayed or cancelled, service on line I is also delayed. ? When service on line Z is delayed or cancelled, service on line E is also delayed. On February 10, it snows all day with the temperature at 18C. On how many lines service will be delayed or cancelled, including both morning and afternoon?

5 4836

At what time immediately prior to Six O'clock the hands of the clock are exactly opposite to each other. Give the exact time in hours, minutes and seconds.

1 8239

A cube painted on all six sides by red color is divided into 125 equal cubes find i) number of cubes having a)3 faces colored b)2 faces colored c) 1 face colored d)0 faces colored ii)Find probability of picking a cube having red face

6 9639





Question asked in Infosys Campus Recruitment Held at Pragathi. On an iceland few customs are there .Men always speak truth, no women tells consecutive truth or false i.e. If first statement is true ,second is false and vice versa. same with children also. There was a family couple and a child. A passenger asked the child ?are you a boy or a girl? the boy spoke german. one of the parent said ? he is a boy? the other said ?he is a girl? ?he is lying?. (i)The kid is boy or girl (ii)who spoke the first mother/father

25 28460

A,B,C,D are four teams.Three guys x,y,z comment about matches between four teams , X said either A or B will win Y says A will never win Z says C or B will not win only one of them is correct then who won the match.

11 7312

A cow is standing 5 feet from the middle of the bridge .A train is at a distance of 2 times length of the bridge from direction in which cow is nearer to end of the bridge is coming at a speed of 90 miles/hour.If cow moves towards train it will be saved by 1 foot.If cow moves away from train it will be hit by three inches of cow (i)Find length of bridge (ii)Find cows speed

1 5737

one women said ?I have three sons their ages are all less than ten,the product of the two younger sons is equal to the sons age who has greatest age and the sum of their ages is always a prime number.find their ages

5 5198

A cube is made of a white material, but the exterior is painted black. If the cube is cut into 125 smaller cubes of exactly the same size, how many of the cubes will have atleast 2 of their sides painted black?

3 9807

Four prisoners escape from a prison. The prisoners, Mr. East, Mr. West, Mr. South, Mr. North head towards different directions after escaping. The following information of their escape was supplied: ? The escape routes were North Road, South Road, East Road and West Road ? None of the prisoners took the road which was their namesake ? Mr. East did not take the South Road ? Mr.West did not the South Road ? The West Road was not taken by Mr. East What road did each of the prisoners take to make their escape

2 11485

Replace each letter by a digit. Each letter must be represented by the same digit and no beginning letter of a word can be 0. O N E O N E O N E + O N E ------- T E N Use trial and error. 0 =1, N = 8 ,E = 2, T = 7 1 8 2 1 8 2 1 8 2 + 1 8 2 ------ 7 2 8 A man is on a search for Atlantis and comes upon an island where all the inhabitants know whether Atlantis is still around or not. However, all of the inhabitants are either Fairies or Trolls and they all use a spell to appear humanoid so you cannot tell which is which. And the Faries always tell the truth and the Trolls always lie, but there is a slight complication, some of the Fairies have gone insane and always lie and some of the Trolls have also gone insane and always tell the truth. So here is your task: you must ask the first inhabitant that you come to ONE question and from that ONE question you must determine wether Atlantis is still around or not. What is the question that you must ask?

1 14863

On the shelf you have 10 identical bottles of identical pills (let?s say there?s a hundred pills in each bottle). However, one of those 10 bottles contains cheap knockoff pills. The only way to differentiate fake pills from real pills is the weight - while real pills weigh 1 g each, the knockoff pills are only 0.9 g. You have one scale that shows the exact weight (down to the mg) of whatever is weighed. How can you tell which bottle contains fake pills with just 1 weighing?

7 18602

You have a sheet cake. There is a rectangular piece missing from the inside of the sheet cake. The location of the missing piece is arbitrary. I was told I could assume I had the means to make the cuts. How do you divide the sheet cake into 2 even proportions with 2 cuts?

15 27534

one man driving a car in a lonely forest .. it was raining at that moment ...suddenly one of the car tyre got punchured...and he is having stephiny in his car ...he gets it and he tried to fix that stephiny...when he removes the bolts of punchred tire all are gone into mud...all bolts... fell into mud...and that bolts he never get...then, how can he reach safely to home... by driving his car..?

16 15081

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Un-Answered Questions

What are the tools available for etl?

1


Explain how you can avoid un-necessary information from being stored?

1


in the lcmv what type of effect onm the mhc class i molecule

1058


What is called a session?

7


What must be the minimum distance maintained between 2 Generators as per International standards?

854






How many control statements are present in r?

1


When we are calculating the heat load sheets,why we are not considering the heat developed from the blood in the human body.Also both men & women can't acess aircondition in same way..women feel too cool even at 22 degree,while men can overcome that.

879


what is the code provision for acceptance of fineness modulus range for fine aggregates in design mix

3437


What are the different types of validation controls provided in ASP.NET?

15


What is Metrics designer?

6


Why compliance is required in openstack?

1


write a c programming using command line argument,demonstrate set operation(eg;union,intersection,difference) example output is c:>setop 12 34 45 1 union 34 42 66 c:>setop 12 34 1 42 66 c:>setop 12 34 diff 12 56 67 78 setop 12 34

989


Give Any Three Advantages of Joint Stock Company?

17


how is the restartcollision parameter different from handlecollisions?

1


My Apologies, The previous questions were concerning the Transaction ST02

1012