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Interview Process   |   Interview Puzzles / Aptitude
Organization : Zynga
Position : Software Engineer

Zynga Interview Process

I applied at Zynga for the post of Software Engineer through my university. My interview process at Zynga had three rounds - two face to face interviews and one HR interview. The entire process was done in a day.

Round 1 - First face-to-face interview
Since it was a campus placement, the interview process began right away with a face to face round. In this first round, the questions were concentrated on simple algorithm based questions. Problems were given that required mathematics based algorithms and were very easy. The interviewer was very supportive and talented.
Q1. How would you implement a LRU cache?

Round 2 - Second face-to-face interview
In the second interview, I was asked questions regarding designing a game. I was asked to design a structure through which the players in the game will predict the scores for upcoming cricket matches and that game will score the player based on the results. The question was not easy. I somehow was able to plant an idea that was feasible and the interviewer was impressed with me. The more I explored the idea, the more interested he became in me. There were cross questions as well but by the end of the interview, I knew I was going to be selected.

Round 3 - HR Interview
Since I was a fresher, I was expecting the HR round to be just a formality round. What was unexpected was the interviewer asking me unexpected questions on the projects I had mentioned in my resume. Thankfully I was well aware of all the ins and outs of my projects even if they were a group task. After that, a few questions on my hobbies, skills and my studies were asked. May be the interviews was trying to evaluate my confidence level.

The offer was made after the interview and since it was a campus placement, there were no negotiations.

How to crack(get into) Zynga Interview

I was on a campus placement and thus everything that I have written or am about to write will be purely based on my experience. If you are not on a campus placement, you might go through with different process and questions.

Like I said, for the first round, all you need is to be good at the algorithms. Trust me, you are going nowhere if you are not good at it. Thus start preparing from now only so that, you can come up with an impressive performance in your first interview.

The second interview will be based on game designing and it is confirmed as I asked about it from 2-3 friends as well. The concepts or logic may vary from person to person but you should be thorough with data structures.

For the HR round, other than preparing for the basic questions, prepare for questions based on your resume and the projects that you have mentioned. It will be asked and you won't want to sit blankly.

Other than that, the interviewers were all nice and the process was short but crisp. My wishes with all the candidates.

Thanks Anmol for sharing the details of your interview.
Send more details and your personal experiences info@gpuzzles.com
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Classic Lateral Thinking Problem

There are two glasses in front of you. One of the glasses is full of coke and the other glass is full of lemonade. You take a spoonful of coke and mix it into the glass of lemonade. Now the lemonade glass has a mixture of coke and lemonade. You take a spoonful of that mixture and mix it inside the coke glass.

Now what do you think? - The glass with coke has more quantity of lemonade or the glass with lemonade have more quantity of coke mixed with it?

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Interview Marble Logic Puzzle

You are given a set of scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables you to conclude either that the contents of the dishes weigh the same or that the dish that falls lower has heavier contents than the other.
The 12 marbles appear to be identical. In fact, 11 of them are identical, and one is of a different weight. Your task is to identify the unusual marble and discard it. You are allowed to use the scales three times if you wish, but no more.

Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it and determine whether it is heavy or light.

By Admin
  • Views : 60k+
  • Sol Viewed : 20k+

Whats The Temperature Rebus

Below rebus represents the current Temperature.


What is the current Temperature ?

  • Views : 40k+
  • Sol Viewed : 10k+

Hard Logic Brain Teaser

There are 100 doors. 100 strangers have been gathered in the adjacent room. The first one goes and opens every door. The second one goes and shuts down all the even numbered doors – second, fourth, sixth... and so on. The third one goes and reverses the current position of every third door (third, sixth, ninth… and so on.) i.e. if the door is open, he shuts it and if the door is shut, he switches opens it. All the 100 strangers progresses in the similar fashion.

After the last person has done what he wanted, which doors will be left open and which ones will be shut at the end?

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Infoedge Interview Aptitude Problem

On a magical-intellectual land of gpuzzles , all the animal are rational(real smart).

There are six leopards and one sheep.
Leopard can eat sheep but since as the land is magical, the leopards who eats the sheep , turns into sheep and then can be eaten by the remaining leopard(s).

If we leave them for some time then how many sheep and leopard will be there , when we come back ?

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Maths Magic Riddle

I can prove why 1 = 2

Step1. Lets say y = x
Step2. Multiply through by x xy = x2
Step3. Subtract y2 from each side xy - y2 = x2 - y2
Step4. Factor each side y(x-y) = (x+y)(x-y)
Step5. Divide both sides by (x-y) y = x+y
Step6. Divide both sides by y y/y = x/y + y/y
Step7. And so... 1 = x/y + 1
Step8. Since x=y, x/y = 1 1 = 1 + 1
Step9. And so... 1 = 2

How is this possible ?

By Admin
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Toothpick Donkey Puzzle

The toothpicks in the picture have been arranged to form a donkey shaped figure. You have to move two matchsticks in a way that the entire shape is rotated / reflected while being intact. Also, you can't change the tail's direction it should be pointing up.

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Weight Balance Riddle

You can place weights on both side of weighing balance and you need to measure all weights between 1 and 1000. For example if you have weights 1 and 3,now you can measure 1,3 and 4 like earlier case, and also you can measure 2,by placing 3 on one side and 1 on the side which contain the substance to be weighed. So question again is how many minimum weights and of what denominations you need to measure all weights from 1kg to 1000kg.

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Measuring Time Logic Puzzle

You are given with two ropes with variable width. However if we start burning both the ropes, they will burn at exactly same time i.e. an hour. The ropes are non-homogeneous in nature. You are asked to measure 45 minutes by using these two ropes.

How can you do it?

Please note that you can’t break the rope in half as it is being clearly stated that the ropes are non-homogeneous in nature.

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  • Sol Viewed : 20k+

Hard Logic Statement Riddle

There are a hundred statements.
1st person says: At least one of the statements is incorrect.
2nd person says: At least two of the statements is incorrect.
3rd person says: At least three of the statements are incorrect.
4th person says: At least four of the statements are incorrect.
100th person says: At least a hundred of the statements are incorrect.

Now analyze all the statements and find out how many of them are incorrect and how many are true?

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