Infosys Interview Questions Part - 1

1. four family names are given clark ,flure,miller ,jac… and their members name are given Stacy ,robin,Erica,mandy . but not in order.( u hav to find which frend belongs to which family) Each friend prepares salad using 3 different fruits . they are given apple, cherry, grape, banana., no two friends uses the same combination.
Various conditions are given and 4 ques asked.

1. Robin is not belonging to miller family he used apples.
2. Erica is not a miller not a Clark.
3. Clark family used cherries and grapes but flure used one of these not both.
4. Mandy and miller used apples and cherries

1. Which fruit did Mandy didn't used?
2. What are the fruits used in miller salad?
3. Robin belongs to which family?
4. What r the Common fruits used in robin and Erica salads?

2. there r some bees in a garden..1/5th of them went to a particular
flower,1/3rd went to another flower,3 times the difference of the above
two went to third flower..n one was remaining n it was roaming many bees were there? (3 marks)

Four persons A, B, C and D are playing cards.
Each person has one card, laid down on the table below him, which
two different colours on either side.
The colours visible on the table are Red, Green, Red and Blue.
They see the color on the reverse side and give the following

A: Yellow or Green
B: Neither Blue nor Green
C: Blue or Yellow
D: Blue or Yellow

Given that out of the 4 people 2 always lie find out the colours on the
cards each person.

4. In a dark room, there is a box containing 5 white balls, 5 black balls, 5 yellow balls, 5 blue balls, and 5 red balls. What is the least number of balls to be chosen so as to ensure a pair of socks has been drawn ?

5. out of 100 people , 85 had cars, 70 had mobiles, 80 had own house,75 people had bikes. How many people had all of these… ?

6. 6. A and B together had set their watch at showing same time. Unknowing to both of them, A’s watch is fast by 1 minute and B’s watch is slow by 2 minutes. After the couple of hours, when they looked at their watch ,, it was found that A’s watch was 1 hour ahead of B’s watch.. Can you say how long it is before their difference in time is 1 hour..but after setting their watch at same time..

7. Ajit was driving down the country side when he saw a farmer tending his pigs and ducks in his yard. Ajit asked the farmer how many of each he had.

The farmer replied that there were 60 eyes and 86 feet between them.

How many ducks and how many pigs were there ?

8. This question about footprint in kitchen.. three brothers annie, danny, fanny. Their mother asks them about something stolen from the kitchen.. From these children, one tells truth, and other two tell lies .Annie says “I didn’t do it “, Fanny says “ Danny did it”, and Danny says “ fanny says lie “.. the question is to find whose footprint in the kitchen…

9. This question is about to find the ages of three persons.. Three statements from each person will be given. And from the 3 statements from each person, one statement will be false and the other two will be truth. So totally 9 statements there. With the help of these information , we have to find the ages of these 3 persons.

10. In a box, there will be a certain number of papers in some order, each containing person name. A manager was asked to choose the people from the box randomly, say 5%.(ie., 5% of people should have to be taken). The manager picks first one and left the next, picks third one and left next 2 , and picks sixth one and left next 3. and goes on.
When he picks the last one, it is actually the final one in the box.!!.. so he got 5% people from the box.. what was the total no of papers in the box ?

Important SEO Interview Questions

1. What SEO results can you show?

2. What do you believe are important things to take into consideration when optimising a site?

3. Who do you respect in the industry?

4. What web analytics programs are you familiar with?

5. List On-Page SEO factors

6. List 5 link building techniques.

7. What is page segmentation? (Ever heard of VIPS?)

8. What’s the difference between PageRank and ToolBar PageRank?

9. What is Latent Semantic Analysis (LSI - Indexing)?

10. What is Phrase Based Indexing and Retrieval and what roles does it play?

11. What is sandbox?

12. How long does it take to get out of sandbox?

13. How can you track your rankings?

14. What services does the wordtracker offer, and how do they relate to seo?

15. What are the common factors between google/yahoo/msn?

16. How can you keep your PPC bids from cannibalizing your search efforts on other (non pay per click) search engines?

17. What percentage of your pay per click budget should go to each search engine?

18. Does either Google Adwords or Overture work better for your particular product or service? Or, perhaps neither one is appropriate from a return on investment (ROI) perspective.

19. Give me a description of your general SEO experience.

20. Do you currently do SEO on your own sites and give me some examples. Do you operate any blogs? Do you currently do any freelance work and do you plan on continuing it?

22. Where do you think the SEO industry is headed?

23. What industry sites, blogs, and forums do you regularly read?

24. Have you attended any search related conferences?

25. What SEO tools do you regularly use?

25. What SEO areas are you weak and strong in, and give examples of both.

26. What areas do you think are currently the most important in organically ranking a site?

28. What kind of strategies do you normally implement for backlinks? What do you think about link buying, link bait, and other specific backlink strategies?

29. What are your thoughts on the direction of Web 2.0 technologies with regards to SEO?
blogs, rss, podcasting

30. Are you familiar with search arbitrage?

31. Are you familiar with enterprise web analytics and what packages are your familiar with?

32. Are you familiar with A/B testing and multivariate testing?

33. Do you have experience in email marketing, banner advertising, other types of media buys and other forms of online advertising?

34. Are you experienced in managing PPC campaigns? To what extent and on what platforms?

35. Do you have experience in bid management tools, API tools, and click fraud issues?

36. Do you have experience in extensive competitive analysis and what techniques do you use?

37. What technologies are you familiar with? (We primarily use HTML, CSS, ASP, .net, PHP, SQL, and JavaScript)

38. Why are you moving from your current position and/or leaving any current projects?

39. Do you know who Matt Cutts is?

44. In Google Lore - what are ‘Hilltop’ Florida’ and ‘Big Daddy’?

45. What changes did you make and what ranking effect did it have?

46. What is sticky content?

Crazy Google Interview Questions

1. How many golf balls can fit in a school bus?

2. You are shrunk to the height of a nickel and your mass is proportionally reduced so as to maintain your original density. You are then thrown into an empty glass blender. The blades will start moving in 60 seconds. What do you do?

3. How much should you charge to wash all the windows in Seattle?

4. How would you find out if a machine’s stack grows up or down in memory?

5. Explain a database in three sentences to your eight-year-old nephew.

6. How many times a day does a clock’s hands overlap?

7. You have to get from point A to point B. You don’t know if you can get there. What would you do?

8. Imagine you have a closet full of shirts. It’s very hard to find a shirt. So what can you do to organize your shirts for easy retrieval?

9. Every man in a village of 100 married couples has cheated on his wife. Every wife in the village instantly knows when a man other than her husband has cheated, but does not know when her own husband has. The village has a law that does not allow for adultery. Any wife who can prove that her husband is unfaithful must kill him that very day. The women of the village would never disobey this law. One day, the queen of the village visits and announces that at least one husband has been unfaithful. What happens?

10. In a country in which people only want boys, every family continues to have children until they have a boy. if they have a girl, they have another child. if they have a boy, they stop. what is the proportion of boys to girls in the country?

11. If the probability of observing a car in 30 minutes on a highway is 0.95, what is the probability of observing a car in 10 minutes (assuming constant default probability)?

12. If you look at a clock and the time is 3:15, what is the angle between the hour and the minute hands? (The answer to this is not zero!)

13. Four people need to cross a rickety rope bridge to get back to their camp at night. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. The bridge is too dangerous to cross without a flashlight, and it�s only strong enough to support two people at any given time. Each of the campers walks at a different speed. One can cross the bridge in 1 minute, another in 2 minutes, the third in 5 minutes, and the slow poke takes 10 minutes to cross. How do the campers make it across in 17 minutes?

14. You are at a party with a friend and 10 people are present including you and the friend. your friend makes you a wager that for every person you find that has the same birthday as you, you get $1; for every person he finds that does not have the same birthday as you, he gets $2. would you accept the wager?

15. How many piano tuners are there in the entire world?

16. You have eight balls all of the same size. 7 of them weigh the same, and one of them weighs slightly more. How can you find the ball that is heavier by using a balance and only two weighings?

17. You have five pirates, ranked from 5 to 1 in descending order. The top pirate has the right to propose how 100 gold coins should be divided among them. But the others get to vote on his plan, and if fewer than half agree with him, he gets killed. How should he allocate the gold in order to maximize his share but live to enjoy it? (Hint: One pirate ends up with 98 percent of the gold.)

Google Interview Questions - 1

Why are manhole covers round?

A man pushed his car to a hotel and lost his fortune. What happened?

Explain the significance of "dead beef".

Write a C program which measures the the speed of a context switch on a UNIX/Linux

Given a function which produces a random integer in the range 1 to 5, write a function which produces a random integer in the range 1 to 7.

Describe the algorithm for a depth-first graph traversal.

Design a class library for writing card games.

You need to check that your friend, Bob, has your correct phone number, but you cannot ask him directly. You must write a the question on a card which and give it to Eve who will take the card to Bob and return the answer to you. What must you write on the card, besides the question, to ensure Bob can encode the message so that Eve cannot read your phone number?

How are cookies passed in the HTTP protocol?

What is the size of the C structure below on a 32-bit system? On a 64-bit?

struct foo {
char a;
char* b;

Design the SQL database tables for a car rental database.

Write a regular expression which matches a email address.

Write a function f(a, b) which takes two character string arguments and returns a string containing only the characters found in both strings in the order of a. Write a version which is order N-squared and one which is order N.

You are given a the source to a application which is crashing when run. After running it 10 times in a debugger, you find it never crashes in the same place. The application is single threaded, and uses only the C standard library. What programming errors could be causing this crash? How would you test each one?

Explain how congestion control works in the TCP protocol.

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