Top Google Interview Questions

Anonymous Panda - " Communication between Mars and Earth is facilitated through various methods and technologies. The primary means of communication is through the use of space probes, particularly those equipped with powerful transmitters and receivers. Here's a general overview of how communication between Mars and Earth works: Deep Space Network (DSN): NASA operates the Deep Space Network, a global system of radio antennas located in California, Spain, and Australia. These antennas are responsible for sending"See full answer

Uttam R. - "Clarifications ( Assuming this a technical question ) What is the purpose of this News feed ? Do we have a specific platform in mind ( Assumed Android phones ) Focus user group - People who use News feed a lot Business goal - Provide fresh and engaging content. Basic functionalities of news feed: News feed - A space where articles is collated and presented to the user Organise content. Customise news feed based on reading patterns. Push down older content. Keep the reader"See full answer

Takashi M. - "Me: First of all, I’d like to have some clarification about this project. Me: What is the current product line design of the vending machine? Is this a traditional vending machine? Customers pay money cash or credit card, and select products and receive the product. Interviewer: Yes, that is the correct assumption. We make vending machines for canned drinks and bottled drinks. Another product line is for selling small packaged snacks. Me: What is the goal of this project? Is"See full answer

P K. - "Note: Modifying the question to reflect the storage cost as well. Question: Estimate the cost of storing google photos on the photos app? Clarifying questions: Google photos - an app that syncs automatically to your camera app and uploads photos to Google cloud and reduces the need to store it on your device Cost of 1GB storage $0.002 Time storage cost per year Equation: Cost of storage per year = average cost of storing photos per day x 30 days x 12 months The ave"See full answer

Pm P. - "Clarification: With kids or without kids? Assuming without With the fuel filled ? Empty Formulae: Outer frame of the school + seats + cushion + inside rods + windows + Engine + motor + other automotive parts + tires Outer frame: Closest proxy : a compact car * 4 = length of the bus Assuming reinforced steel for a car = 2 doors * 200 = 400 pounds One side of the bus = 400* *x 4 x 2 = 3200 pounds two sides = 3200 x 2 = 6400 pounds front and back width = Estimation: 4 people sit in a"See full answer

Sarabjeet S. - "Goal of YT search is to enable quick access to a video of interest to user. So success for YT search would mean access to videos that interest, and user actually clicks on one or more searched videos to watch them. It also means reduced time searching overall, with high relevance results shown for search string. Actions performed by users are: Goes to the YT site or Mobile app Clicks on the Search window to type Enters search string and presses enter Browses the list, scrolls"See full answer

Talles S. - "Me: Thanks for the question. I have a clarifying question, how the actionable data points are arriving? Is it based on direct user feedback or from the iPhone integrated with the Airpod Pro? Interviewer: You can consider both. Me: Ok, let me take a minute to structure my approach. Me: First, I would begin by establishing the types of users of Airpod Pros, and I come up with two: 1) the casual user that goes for a run once in a while or listen to music 1-2 hours a day. 2) the pretty intense"See full answer

Astro S. - "what is NUC? "See full answer

Judy W. - "Situation: COVID has impacted everyone's lives, especially small businesses. Earlier this year, during the second lockdown in Malaysia, it was estimated that 50%-70% of small businesses have closed. It got me thinking, beyond the existing training programmes, what can my company do to support small businesses? Task: So, I took the initiative to gather our Comms and Government Affairs team, to work together and explore how we can: 1) meaningfully demonstrate our company's commitment in"See full answer

Manas M. - "Couple of Clarification Questions to be asked are: Aim of the physical product Retention/Encourage Loyalty Attract new customers Collect customer Data outside of the Airbnb ecosystem for better advertising and customer focus User Base of Airbnb Solotravellers - traveling to new places for exploring/solo travel Business Travelers - Lot of business Travelers who own small/medium businesses and book their own travel can choose airbnb Family gr"See full answer

Sunflower - "Can you clarify how we define cyberbullying? To me, it means negative or abusive content targeted towards an individual or a group. This can be in the form or text or media. Lets talk about Reddit as a product: To enable positive discussions on diverse topics. Did I miss anything here? Lets talk about users here: We have: Teenagers: 13 - 19 years old Millennials: 20 - 39 years old Gen X and Baby Boomers: 40+ I think teenagers are the most vulnerable and the highest priority group for this use"See full answer

Kartikeya N. - "Clarifying questions Do we mean the Google Play store or Apple App store or some other app store? : Google Play Store Do we mean to calculate the number of apps as in 2024? : yes Are we looking at any particular data slices like in a particular country/ for a particular geography etc.? : No, I want the overall global number And we mean to calculate total number of apps that are registered on Play Store and can be searched and accessed by a user, am i right? : Yes Okay, here's how"See full answer

Kk - "Clarifying Questions : By reducing bandwidth , do you mean reducing the total size of video transfer reduction ? Ans Yes Is it ok to reduce the resolution by reducing the bandwidth : Ans May be yes and no Any app in particular you are looking forward which could help talking from its standpoint : Ans : Youtube Assumptions : Youtube has a compression algorithm which can still be made better with the evolution of technologies Solutions ( prioritised list ) Improve the compressio"See full answer

Anirudh G. - "Initial Questions: 1.How many patients do you think you will have in the next 5 years? Interviewer: Max 1000 In that case we don't have to build a highly scalable system. 2.Will you be carrying out some procedures like xrays, ct scans or will only be doing consultations? Interviewer: We will be doing minor procedures. Will refer to hospitals for anything major. 3.I see that you mentioned 2 locations. Are there any special billing requirements for each of them? Interviewer: No Users: Fo"See full answer

Kartikeya N. - "Let me first start with some clarifying questions What do we mean by 10x? User engagement/ revenue/ acquisition?: Revenue Are we looking at global revenue or from a particular market like USA?: Global Are there any constraints or timelines for this ask?: Not much constraints, lets aim for a 10X increase in 5 years Sure, let me first start with the Goal of Duolingo. Duolingo’s aim is to simplify language learning and make it entertaining as well as educational. It is known for it’s use of"See full answer

Guilherme F. - "A much better solution than the one in the article, below: It looks like the ones writing articles here in Javascript do not understand the time/space complexity of javascript methods. shift, splice, sort, etc... In the solution article you have a shift and a sort being done inside a while, that is, the multiplication of Ns. My solution, below, iterates through the list once and then sorts it, separately. It´s O(N+Log(N)) class ListNode { constructor(val = 0, next = null) { th"See full answer

Meenakshi sundaram M. - "Structure: 1. Ask Clarifying Questions 2. Look at external factors 3. Look at Internal factors ( Slice the data aross different cuts and plan accordingly) Clarifying Questions: What's an outbound message? Is it something Linkedin users send among each other? Decline trends: Is the decline steep or gradual? From when, are we seeing this decline (Say since a week, fortnight, month, etc) External Factors: Have we seen any competition led changes/ new campaigns etc? Have we see"See full answer

Pathworks P. - "I would begin by asking the following clarifying questions: Are there any special use cases such as VIP Penthouse access, restricted floors etc? Do we need to consider safety requirements or other technical constraints such as maximum load/capacity? If the lobby for the entire hotel located on the ground floor? Can we assume that the majority of the guest amenities are located near the lobby and lower floors? Can we assume that the passenger controls on the floors are purely directional"See full answer

Dan D. - "I love the answer and framework, my summary of the interview: it is a slightly modified version of Porter's 5 Forces: User benefit -> Bargaining Power of Buyers Apple benefit -> Talks about the company mission and culture (esp. on the relatively closed eco-system) It was expanded more in the latter half of the interview (SWOT + a bit of Value Chain) Competitive landscape -> Industry Rivalry + Threat of New Entrants + Threat of Substitutes Partnership Impact -> Bargaining Power of"See full answer

Bini T. - "I understand this is more focused on ML. However, I have a system question. If users allow us to access their location, or they send location via text box, could we use CDNs for the search without hitting our database? We only query the database when we have zero information on location. Other questions: does embedding always guarantee information on location? Do we discharge the user images after we return a prediction? I heard the feedback that we should keep it for future learning. What would"See full answer