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Interview Process   |   Interview Puzzles / Aptitude
Organization : Wireless Generation, Inc. Technologies
Position : Senior Software Engineer

Wireless Generation, Inc. Technologies Interview Process

I applied at Wireless Generation, Inc. for the post of Software Developer through a recruiter and was interviewed at Wireless Generation, Inc. I faced a telephonic interview, two technical interviews and a HR round in the hiring process. The process took about four weeks.

Round 1 - Telephonic Interview
I had to wait three weeks after talking with the recruiter. I had lost hope but finally got a call from the company and my telephonic interview began right away. The interviewer asked me about all necessary details regarding myself. Then, I was asked about the projects that I had completed back in time. Then a few technical questions were asked. Nothing difficult about it. Then I was scheduled for the on-site interviews.

Round 2 - First Technical Interview
Nothing formal was asked in this round and it started with the technical questions right away.
Q1. Differentiate between vector list and array list.
Q2. Write an algo for moving a night on a chessboard from a given position.
Q3. Write an algo to determine if the set of characters matches a given regex.
The thing that I noticed was that everything was disorganized and the interviewer did not seem fit to handle the interviews well. There was ill communication and the interviewer was not well versed.

Round 3 - Second Technical Interview
I was able to answer the questions in the previous round and I was called for the second technical round. Thankfully, this interviewer was better than the previous one. He even seemed more agile and talented. Some of the questions that were asked in this round:
Q1. If you want to process a million records in 2 seconds, how will you do it? Assume XML records.
Q2. Design a spellchecker.
Q3. For what purpose is has used?
Q4. Write an algo to determine if one set characters is contained in another set.
Q5. How to implement linked lists, hash maps and sets.

Round 4 - HR Interview
The HR round started with resume based questions. It was surprising that I was even asked a couple of logical reasoning questions. I don't know the purpose but it was surprising. Then there were the general HR questions which you must be knowing already. After the interview, the offer was made.

How to crack Wireless Generation, Inc. Interview

Like I said earlier as well, thing seemed un-organized in Wireless Generation, Inc. The company is expanding as far as I know and they are not able to accommodate the expansion properly. But I would say that the questions that were asked in the interviews were really good.

The telephonic round was basic and comprised of basic technical terms related questions. But both the technical interviews had some really good questions. If you have read the questions, you will know that you have to work hard on the algos as that is what was asked majorly. Other than that, focus on data structures and arrays. But apart from that, your basics should be really clear.

All the best for your interviews.

Thanks Anmol for sharing the details of your interview.
Send more details and your personal experiences info@gpuzzles.com
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A barman is having a 12 liters jug full of beer. He needs to divide or split that beer into two equal parts. All he has is two empty jugs of capacity 8 liters and 5 liters.

How will he do it using them?

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For my anniversary, I decided to surprise my wife. Since she is a voracious reader, I decided to collect a lot of books for her. On the first day of the month, I bought one book, on the second, I bought two and on the third, I bought three. This process went on till the anniversary and on the day, I had 276 books with me to gift her.

Can you calculate, on which day is our anniversary?

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No it does not limit to that and there are other complications. The dog can’t be left without the maid or it will bite the family members. The father can’t be left with daughters without the mother and in the same manner, the mother can’t be left alone with the sons without the father. Also an adult is needed to drive the boat and it can’t drive by itself.

How will all of them reach the other side of the river?

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In a jar, there are some orange candies and some strawberry candies. You pick up two candies at a time randomly. If the two candies are of same flavor, you throw them away and put a strawberry candy inside. If they are of opposite flavors, you throw them away and put an orange candy inside.

In such manner, you will be reducing the candies in the jar one at a time and will eventually be left with only one candy in the jar.

If you are told about the respective number of orange and strawberry candies at the outset, will it be feasible for you to predict the flavor of the final remaining candy ?

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You need to divide area in the picture below into two equal parts by using exactly three match sticks. Can you do it?

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How will you distribute the rocks so that your chances of survival are the best?

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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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A claustrophobic person boards a train that is just about to enter a tunnel.

Which place will be the best for him to sit?

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