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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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Hard Logic Puzzle

A great meeting is held by a great logician where all the other logicians are called upon. The master logician takes them in a room and makes them sit in circle. A hat is placed on each of their heads. Now all of them can see the color of hats others are wearing but can’t see his own. They are told that there different colors of hats.

The master logician explains that a bell will be rung at regular intervals and the moment when a logician knows the color of his hat, he will leave on the next bell. If anyone leaves at the wrong bell, he will be disqualified and sent home.

All of them are assured of one thing that the puzzle will not be impossible for anyone of them. How will they manage the situation?

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

The Elf Logical Puzzle

A wicked sorcerer felt enmity towards elf and thus he chooses four among the rest of the elf's and concealed them. The elves are concealed in the ground in a manner that apart from their head the rest of their body was underneath the ground. The elf's are unable to move their body and can only see in that direction that they are facing. All the elf's are concealed underground in such a way that they form a straight line and among those four elf's that are concealed underground one of the elf is detached form the other three elf's via wall. The entire elf's are in the same direction. The elf that is the furthest can only see the heads of its friends in front and a wall. The elf that is second last can only see one head of his friend and a wall. The second elf can only view the wall. The elf can see nothing.
The sorcerer understands the situation and tells the elf's that he has placed hats over their heads. Among the hats places two hat are blue and the other two are red. Among all the four elfs one of the elf has to guess that which colour hat is he wearing. If the elf answers correctly then he shall be set free or else he will have to dig beneath the ground till the very last.

  • Views : 80k+
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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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Impossible Brain Teaser

In a recreational activity, you are given four different jars of 2 liters, 4 liters, 6 liters and 8 liters respectively with an unlimited water supply. Then you are asked to measure exactly 5 liters of water using them.

How will you do it?

By Admin
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  • Sol Viewed : 20k+

Interesting Bet Puzzle

In a bowl, there are several chits with distinct numbers on them. You have to choose any two of them at random.

Will you accept the 2 to 1 bet that the numbers will be relatively prime will you accept it?

For instance:
If the numbers you pick are 6 and 13, you lose $1.
If the numbers you pick are 5 and 25, you win $2.

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

Famous Lion Tamer Interesting Puzzle

You are trapped with a lion in a cage with 1 unit as its radius. Both you and the lion can run effortlessly at the speed of one unit.

1) The lion is quite hungry and all he wants is to catch you and eat you up. Will he be able to do that?
2) If yes, how long do you have till he does that?

By Admin
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Spatial Trivia Physics Puzzle

As shown in picture, there are four gears with the following specification
* Gear A has 60 teeth
* Gear B has 40 teeth
* Gear C has 20 teeth
* Gear D has 60 teeth
* Every minute, Gear B makes 15 complete turns.

What is the relative speed of Gear A and Gear B?

  • Views : 50k+
  • Sol Viewed : 20k+

Tricky Logic Question

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

Which place will be the best for him to sit?

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

Logic Interview Riddle

prinka and tanu organized a small kitty party at home. They purchased a barrel of fruit juice.

Tanu told to prinka 'I bet this barrel of fruit juice is more than half full'.
'No, its less than half full' prinka replied.

I don't have any measuring instrument and without removing fruit juice from it , how can i determine which of us is right ?

By Admin
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  • Sol Viewed : 20k+

Inspector Montalbano Mystery Puzzle

Before going to work, Inspector Montalbano got into the fight with his wife. After coming back from the work he found out that the police was in the home and his wife had just killed a burglar.
The police told that she killed the burglar in self-defense. She told her husband the story that she heard a doorbell and thought that it was me and as soon as she opened the door, the burglar jumped into her and she was so scared that she killed burglar immediately with the knife. Inspector Montalbano asked the police to arrest her wife for murder conspiracy. Why?

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