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I was interviewed in Jun 2017.

Interview Questionnaire 

1 Question

  • Q1. Questions related to core java, advanced java, programs,

Interview Preparation Tips

Round: Technical + HR Interview
Experience: Previous work experience scenarios based questions

Interview Questionnaire 

2 Questions

  • Q1. How would you increase the sales of newspaper in your locality?
  • Ans. 

    To increase newspaper sales in the locality, I would focus on improving content, distribution, and marketing strategies.

    • Conduct market research to understand readers' preferences and interests

    • Create engaging and informative content that caters to the local audience

    • Offer attractive subscription packages and discounts to encourage regular readership

    • Partner with local businesses and events to increase visibility and distr...

  • Answered by AI
  • Q2. What new feature you would like to add in Google maps and how would it help to increase the company's revenue?
  • Ans. 

    I would like to add a feature that suggests nearby events and attractions based on user preferences.

    • Personalized event and attraction recommendations

    • Integration with ticketing platforms for revenue sharing

    • Increased user engagement and retention

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: In the written test they asked questions from logical and quantitative aptitude, verbal reasoning and few questions from core topics.

Round: HR Interview
Experience: This was followed by different rounds of interviews. The HR questions were mainly about me, my strengths and weaknesses and why do I want to join the company and where do I see myself in the next five years or so. Loads of guesstimate questions like estimate number of autos in Delhi and other similar cases.

College Name: LADY SHRI RAM COLLEGE

Interview Preparation Tips

Round: Test
Experience: First round was a written test which had 20 MCQ's in the field of Databases, Theory of computation, Operating systems, Data Structures and Algorithms and one programming question. 7 students (4 B.Tech, 3 M.Tech) got through to the interviews. Most of the interviews were held in the Google Bangalore campus. There were a total of 5 rounds of interviews. All based on Data Structures and Algorithms. Each round had 2 questions for which we were usually supposed to explain the algorithm first and then write the code on a Google doc.  It was a really great experience. I got a chance to visit both Google Bangalore and Hyderabad campuses and taste their awesome food.
Total Questions: 20

General Tips: Practice your coding skills. Writing a neat code is very important. Interviewers not just look for a good algorithm but also your coding style (indentation, variable names, simplicity etc.)
College Name: NIT SURATHKAL

Software Developer Interview Questions & Answers

Google user image Sree Meghana Thotakuri

posted on 10 Mar 2015

Interview Preparation Tips

Round: Test
Experience: Google's APAC test is an online coding round. The test is for 3 hours and it has 4 coding questions.
Duration: 180 minutes

Round: Technical Interview
Experience: I had 3 technical interviews. The questions asked in them consisted of algorithmic coding and design questions. The approach was more stressed upon. The interviewers were very helpful and they were generous in throw hints whenever I was blocked.

Skills: Algorithmic coding , C++
College Name: IIT BOMBAY

Interview Questionnaire 

13 Questions

  • Q1. Given a source array of integers with possible duplicates and a target integer, write algorithm to find out 2 numbers in source array whose sum is equal to target integer
  • Ans. 

    Algorithm to find 2 numbers in an array whose sum is equal to a target integer

    • Use a hash table to store the difference between target and each element in the array

    • Iterate through the array and check if the current element exists in the hash table

    • Return the pair of elements that sum up to the target integer

  • Answered by AI
  • Q2. Say you have three tables WORK, USERS, MANAGERS WORK - work_id - user_id - how_much USERS - user_id - team MANAGERS - manager_id - team If I am a manager, write a select statement to retrieve the work o...
  • Ans. 

    Write a select statement to retrieve work of all users who belong to my team.

    • Join USERS and WORK tables on user_id

    • Join MANAGERS and USERS tables on team

    • Filter by manager_id

  • Answered by AI
  • Q3. In a Chrome extension, which file contains the most important information of the extension like version, pattern matches, etc
  • Ans. 

    The manifest.json file contains the most important information of a Chrome extension.

    • The manifest.json file includes the version number, permissions, content scripts, background scripts, and other important details.

    • It is located in the root directory of the extension.

    • It is required for all Chrome extensions.

    • Example: "manifest_version": 2, "version": "1.0", "permissions": ["tabs", "storage"]

  • Answered by AI
  • Q4. There are three rooms, and there are Princess, Flowers and Snake in those rooms. The doors of all the rooms have incorrect nameplates. i.e., the nameplate for the princess’ room is not Princess. Similarly,...
  • Q5. Which is faster: finding an item in a hashtable or in a sorted list? And Why?
  • Ans. 

    Hashtable is faster for finding an item than a sorted list.

    • Hashtable has constant time complexity O(1) for finding an item.

    • Sorted list has logarithmic time complexity O(log n) for finding an item.

    • Hashtable uses hashing to directly access the item's location.

    • Sorted list requires binary search to find the item's location.

    • Hashtable is ideal for large datasets with frequent lookups.

    • Sorted list is ideal for datasets that re

  • Answered by AI
  • Q6. What are some of the most popular Data interchange formats when using APIs
  • Ans. 

    JSON and XML are the most popular data interchange formats when using APIs.

    • JSON (JavaScript Object Notation) is a lightweight format that is easy to read and write. It is widely used in web APIs.

    • XML (Extensible Markup Language) is a more complex format that is also widely used in web APIs.

    • Other formats include CSV (Comma Separated Values), YAML (YAML Ain't Markup Language), and Protocol Buffers.

  • Answered by AI
  • Q7. Name some popular APIs for each of these Social Commerce service(llike a photo service etc)
  • Ans. 

    Popular APIs for Social Commerce services

    • Facebook Graph API for social media integration

    • Instagram API for photo sharing and tagging

    • Twitter API for real-time updates and customer engagement

    • Pinterest API for product discovery and sharing

    • Google Maps API for location-based services

    • PayPal API for secure payment processing

  • Answered by AI
  • Q8. How would you change the format of all the phone numbers in 1000 static html pages?
  • Ans. 

    Use a script to iterate through each HTML page, locate phone numbers, and update their format.

    • Write a script using a programming language like Python or JavaScript to iterate through each HTML page

    • Use regular expressions to locate phone numbers in the pages

    • Update the format of the phone numbers as needed (e.g. adding country code, changing separators)

    • Save the updated HTML pages with the new phone number format

  • Answered by AI
  • Q9. If you had an opportunity to design the Google Suggest system, please let us know how you would approach it and how you would execute the plan in terms of settings up systems like(data stores or databases,...
  • Ans. 

    Designing Google Suggest system

    • I would start by analyzing user search patterns and frequently searched keywords

    • Then, I would create a database of these keywords and their associated search results

    • I would use indexing services to quickly retrieve relevant results for each keyword

    • I would also implement machine learning algorithms to improve the accuracy of suggestions over time

  • Answered by AI
  • Q10. How do you find out if a number is a power of 2? And how do you know if it is an odd number? Write code in the language of your choice
  • Ans. 

    Check if a number is a power of 2 and odd.

    • To check if a number is a power of 2, use bitwise AND operator with the number and its predecessor. If the result is 0, it is a power of 2.

    • To check if a number is odd, use modulus operator with 2. If the result is 1, it is odd.

    • Example code in Python:

    • def is_power_of_two(num):

    • return num & (num - 1) == 0

    • def is_odd(num):

    • return num % 2 == 1

  • Answered by AI
  • Q11. How will improve the revenue of the cafeteria of the office.
  • Ans. 

    By introducing new menu items, optimizing pricing strategy, and improving the overall dining experience.

    • Conduct a survey to understand the preferences of employees

    • Introduce healthy and affordable meal options

    • Offer discounts for bulk orders or loyalty programs

    • Partner with local vendors to source fresh ingredients

    • Improve the ambiance and seating arrangements

    • Implement online ordering and delivery services

  • Answered by AI
  • Q12. [Actual question which i screwed up. Bad Time for me]Number of users in 2001 for adwords, chrome, gmail, android and picassa are in the ratio of 6:9:14:13:8, and in 2004 we add 3 lakh more users. New rati...
  • Q13. In google adwords there are about 30 million ads from 42 lanuages . What will I do review the ads and reject ads that do not comply with specific rules
  • Ans. 

    Reviewing 30 million ads from 42 languages in Google AdWords and rejecting non-compliant ads requires a systematic approach.

    • Create a set of specific rules and guidelines for ad compliance

    • Use automated tools to filter out ads that violate the rules

    • Assign a team of reviewers to manually check the remaining ads

    • Ensure that the reviewers are fluent in the languages of the ads they are reviewing

    • Regularly update the rules and...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: I was asked to take the test at 8.30 pm. They fixed this test, a week back. Nobody will call you to remind you to take test. Nor the interviewer will call you. It is your responsibility to check ur mail without fail. On that day I was expecting a call from google from evening till 8.25 pm. None called me. I thought that they would have forgot that. I planned to do go out and have food. But suddenly my ipad gave a alert message and it was from gmail app [thanks for ipad, or else i would not have checked my mail in lap top]. It was from google recruiter. The mail stated that he has shared a doc with me and i must answer the questions in it. a google drive link was given. he mentioned that the test was for 2 hours. I was asked to type answers just below each of these questions.
Duration: 120 minutes

Round: Technical Interview
Experience: Since I had prepared for tech interviews like amazon, I was able to do it good.After a week I got a call from HR and informed that I cleared the first round. Then after two days I was told that i will have a telephonic interview with one of the google developers from adwords team . They scheduled a telephonic interview the next week

Round: Technical Interview
Experience: 1) How will improve the revenue of the cafeteria of the office. Lots of discussions went and i think, i really did that well.
2)[Actual question which i screwed up. Bad Time for me]
Number of users in 2001 for adwords, chrome, gmail, android and picassa are in the ratio of 6:9:14:13:8, and in 2004 we add 3 lakh more users. New ratio is 8:12:13:11:6. Number of picassa users in 2004= 1,44,000. Calculate number of adwords users in 2005.A basic math question that, even a school student can solve. But in that tension i was not able to do it. I took some time and finally gave him a answer. I myself knew that it would be wrong. But interviewer said great lets move on to next question[just to boost up me - good person].My actual job role revolves around developing tools for the the ad review team which will review the ad and reject illlegal ones. So third question was related to that .He told me that as I am from a tech background, I need to explain him technically wat will I do. He also said that he did not need the actual solution. They will just see the way I approach the problem. That an existing problem and they are open to suggestions.3)In google adwords there are about 30 million ads from 42 lanuages . What will I do review the ads and reject ads that do not comply with specific rules .Regarding the criteria under which google bans a ad as illegal – I discussed about different criteria .Out of the criteria’s i told , he asked me to consider only three criteria .
a) Link not working
b) Drug related ads
c) trademarks[trademark used by the companies]I gave lot of approaches like for link not workinga) designing a autobot which will automatically click ads link and check whether it is redirecting to correct page or not . Autobots are used by hackers to get money for the ads they posted . I suggested that by designing similar autobot we can validate the link.b) to check drug related ads -
To detect the language we can first check the geographic location from which the ad is getting posted and can narrow down to some less choices from which we can detect the language
i suggested him that we can create a trie which some specific keywords (like coccaine ) and do pattern matching with that and reject the add it contains any of the works in trie .The interviewer gave me another constraint wat if there comes a ad “coccaine rehabilitation center” we should reject those kind of ads na . thats for a good cause . So i suggested him that i can maintain another set of trie which can contain those set of keywords.Fist check trie1 if drug related keywords exist .
Next check trie 2 if other types of keyword exist.
– if keyword only present in trie1 [reject ad]
– if both tire return true [can reject . but its better that those ad's alone can be subjected to manual evaluation for rejection].I used trie as it can do the pattern matches faster .For trademarks also I discussed using similar datastructures and the interviewer was ok with my answer.

General Tips: I applied for a job in Google jobs page. I know that its very difficult that a resume gets noticed by google.Suddenly one fine day i got a call from Google HR saying that they are interested in my profile and asked me if, i was ready to go with the interview process[Come on! who will say no for Google]. I was surprised.I was asked to take a initial screen test [Online test].
Skills: data structure, Algorithm
College Name: na

Skills evaluated in this interview

Interview Questionnaire 

6 Questions

  • Q1. Introduction o f myself(based on resume)
  • Q2. Probability puzzle
  • Q3. Write algorithm for a coding problem statement
  • Ans. 

    Algorithm to find the largest number in an array

    • Initialize a variable to store the largest number

    • Loop through the array and compare each element with the current largest number

    • If the element is larger, update the largest number variable

    • Return the largest number

  • Answered by AI
  • Q4. Finance questions based on recent happenings
  • Q5. Questions on Logical, Verbal & Quantitative Aptitude
  • Q6. Why DB is agood choice?
  • Ans. 

    DB is a good choice due to its scalability, reliability, and flexibility.

    • DB allows for easy scaling of data storage and retrieval.

    • It provides reliable data management and backup options.

    • DB can be customized to fit the specific needs of an organization.

    • Examples include MySQL, MongoDB, and Oracle.

    • DB is widely used in various industries such as finance, healthcare, and e-commerce.

  • Answered by AI

Interview Preparation Tips

Round: Interview
Experience: They are essentially looking for enthusiasm and courses you have taken.
Tips: One must know one's courses properly.  Read newspaper

Round: Interview
Tips: They spoke about general things and asked me what other interviews. Also, they storied speaking about why DB is a good choice.

Skill Tips: Know your content better. A little bit of economics and a bit about stock markets. Practice some puzzles and probability questions. Brush tip courses on Accounting, economics,marketing and maybe one core course
Skills: Finance fundaes, Presentation of facts in Resume, CGPA
College Name: IIT Madras

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Questions on Current Affairs & Puzzles

Interview Preparation Tips

Round: resume shortlisting
Experience: The profile offered is not solely based on number crunching; rather, it is also focused on building industries by buying and selling market commodities. You are judged on your drive or excellence in any field, and on how good you are at convincing the panel.
Tips: Your resume will be scrutinized thoroughly and whatever you write in it must be well thought out.

Round: Interview
Experience: The interview is more like a conversation and you should try to direct it in the direction you like.
Tips: For puzzles: Approach important, not final answer,think aloud,take cues from interviewer,do not panic! They look for the ability to show that you can create an impact. Have knowledge on current affairs and happening around you- Overview + details about a few topics,take a stand on issues. Watch economic & political debates. Read blogs by economists, journalists as well as economic Times and magazine and discuss topics with friends.

Round: Interview
Tips: Have good appearance and posture,be professional and confident,know your resume well,relax and be yourself!

Skill Tips: "Need to be aware of the current affairs. One should know the top 5 headlines of the day before the interview and also on the day of the interview. As far as DB is concerned, there is no written test and CAT preparation should suffice. Even DB has a buddy program for shortlisted candidates. Brush up Probability & Statistics.""
Skills: Domian excellence, Ability to convince
College Name: IIT Madras

I was interviewed in Jun 2017.

Interview Questionnaire 

5 Questions

  • Q1. Java oops
  • Q2. Programming -prime number, factorial etc
  • Q3. Oracle question - joins etc
  • Q4. Communication check , tell me about yourself ?
  • Q5. About my Cdac project?

Interview Preparation Tips

Round: Subjective Technical
Experience: Theory questions were asked in this round, like basic fundamental definition in java, oops, etc
Tips: should know all the basics of core java and Oracle.


Round: Technical Interview
Experience: Theory questions were asked in this round, like basic fundamental definition in java, oops, etc
Tips: should know all the basics of core java and Oracle.


Round: HR Interview
Tips: Be confident and be clear about what you say about your hobbies.

College Name: Shri Shankaracharya Engineering College, Bhilai

Interview Questionnaire 

7 Questions

  • Q1. Image data structure: An image(square image) can be stored as a tree: A node is white if the image is white, is black if the image is black, and is mixed if it contains both. White and black nodes are leav...
  • Q2. There is a dictionary containing words in sorted order. These words consist of some alien alphabets. Using the dictionary, find out the ordering between the alphabets. For eg, if English was the alien lang...
  • Q3. A / b c / / d e f g Print the nodes in the following order: a, b, c, g, f, e, d, h, i, j, k, l ,m, n, o and so on. Which all data structures are used? Can we use just 1?
  • Ans. 

    Multiple data structures are used to print nodes in a specific order. One data structure cannot be used alone.

    • The given order suggests a depth-first search traversal of a tree-like structure.

    • A stack can be used to keep track of the nodes to be visited.

    • A queue can be used to store the children of a node in the order they are visited.

    • An array can be used to store the nodes in the required order.

    • A linked list can be used ...

  • Answered by AI
  • Q4. Given 2 strings like bangalore and blr, return whether one appears as a subsequence of the other. The above case returns true whereas bangalore and brl returns false
  • Q5. Given n pens and n tops, each pen (and each top) having a size different than the other and each pen fitting exactly one top, find the largest pen using minimum number of comparisons. A comparison involves...
  • Ans. 

    Find largest pen using minimum comparisons with tops.

    • Divide pens into two groups and compare largest pen from each group with largest top.

    • Repeat the process with the group containing the largest pen until only one pen is left.

    • The remaining pen is the largest pen.

    • Total number of comparisons required is 2n-3.

  • Answered by AI
  • Q6. Given n dice, each of 'a' sides and a sum b, return the number of ways in which the sum b can be obtained. How can you reduce the time complexity and space complexity?
  • Ans. 

    Given n dice with 'a' sides and sum b, return no. of ways to obtain b. Optimize time and space complexity.

    • Use dynamic programming to reduce time complexity

    • Create a 2D array to store the number of ways to obtain each sum for each number of dice

    • Use rolling arrays to optimize space complexity

    • Example: n=2, a=6, b=7 -> 6 ways to obtain sum 7

    • Example: n=3, a=4, b=8 -> 21 ways to obtain sum 8

  • Answered by AI
  • Q7. Given 2 machines, each having 64 GB RAM, containing all integers (8 byte), sort the entire 128 GB data. You may assume a small amount of additional RAM. Extend this to sort data stored in 1000 machines
  • Ans. 

    Sort 128 GB data on 2 machines with 64 GB RAM each. Extend to 1000 machines.

    • Use external sorting algorithm like merge sort or quick sort

    • Divide data into smaller chunks and sort them individually

    • Merge sorted chunks using additional RAM

    • For 1000 machines, use distributed sorting algorithms like MapReduce or Hadoop

    • Ensure data consistency and fault tolerance in distributed sorting

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There was a preliminary test, wherein questions on discrete structures, data structures, algorithms, math (permutation, combinations, probability) and operating systems were asked. There was also a programming question to code (on paper). It took them around 3 weeks to shortlist students selected for interviews.

Round: Technical Interview
Experience: It took them about a month's time to announce results!

College Name: Veermata Jijabai Technological Institute, Mumbai [ VJTI ]

Skills evaluated in this interview

I was interviewed in Dec 2016.

Interview Preparation Tips

Round: Resume Shortlist
Experience: For CSE and EE students , CPI was not at all seem to be a criteria for shortlisting and almost all who have a decent profile got shortlisted for the test. However, for other department students they shortlisted above 9 CPI students.

Round: Test
Experience: It was a 2 hour test. It consisted of 3 sections-Quant , Machine Learning and Computer Science . Each section had 10 questions and 45 minutes were allotted for each section.
Being from non-CSE background I attempted only 2 sections ie. Quant and Machine Learning. Machine Learning section was fairly easy this time and almost all questions were standard. If someone has done an introductory course on Machine Learning and basic stats , this section was a cake walk for him. However , attempting quant section required some preparation of solving probability puzzles (computing expectations etc.) ,basic linear algebra and geometry base questions.
Duration: 2 hours

Round: Technical Interview
Experience: I had 2 rounds of interview. Both were technical ones.
In the first interview , they asked some probability puzzles (from 50 challenging problems in probability book) . Since I had completed that book before , I was able to solve them . Then they asked 1-2 algorithm based questions like formulate an efficient algorithm for solving a particular problem. I was not able to solve them completely but tried to give them the overview of y approach. The interviewer didn't seem to be satisfied though. It lasted for around 20-25 minutes.He told me to wait outside . To my surprise, I was called for the 2nd round.
The second went better than the first round. They again asked questions on computing probability , expectations , constructing a Markov Chain for a a given problem etc. Since I had done 1 course in Fiance also , he asked me questions from it also which were quite easy. Then he began asking algorithms and asked me to explain a sorting algorithm and I chose Quick Sort. While explaining it , I got struck at one point but the interviewer was helping me by giving hints and I was able to explain it fully. The second round was quite exhaustive as it went on for around 45-60 minutes.

Skills: Problem Solving Abilties, Mathematical Aptitude, Algorithmic Approach To Problem Solving, Machine Learning, Statistical Method Basics
College Name: IIT Kanpur

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