Google Interview Questions

Rupam S. - "Are you serious? What kind of dog is it? Why would a dog watch Netflix? What kind of movies do they like? Why are we only considering dogs? What’s wrong with cats? Are they going to play movies by themselves? Is it for pet dogs or stray dogs? Who will pay the subscription fees for them? "See full answer

Anonymous Possum - "#inplace reversal without inbuilt functions def reverseString(s): chars = list(s) l, r = 0, len(s)-1 while l < r: chars[l],chars[r] = chars[r],chars[l] l += 1 r -= 1 reversed = "".join(chars) return reversed "See full answer

Vipan K. - "As a postgraduate student of computer science, one of my weaknesses might be that I sometimes focus too much on theoretical concepts, which can lead to delays in practical implementation. I also find that while I’m strong in certain areas like algorithms and data structures, I need to spend more time refining my skills in newer technologies or languages that aren't part of the core curriculum. Additionally, balancing research, coursework, and any side projects can be challenging, occasionally le"See full answer

Kwabena B. - "Assumptions This estimation will not take into consideration service fees, delivery fees, or tips we are specifically interested in consumer purchases of fruits and vegetables from local grocers (i.e. instacart, peapod, wholefoods/primenow, etc.) Fresh and frozen produce are in scope Equation NYC annual online produce purchases = (Num NYC households) x (% pop. that purchase produce online) x ($ spent on online produce purchases) (NYC HH) = 300M Americans --> 100M HH"See full answer

Viet H. - "Estimate how much it costs Google to store a year free of storage of photos for new Pixel Phones Clarify with Questions Know the Basic Numbers Decide on and Lay Down Your Structure Write Down the Equations Crunch Numbers Sanity Check Clarify with Questions Are we talking about cost per person? Whole user base? What do you mean when you are talking costs? Cost to build the facility? Cost to just store the data as a result o"See full answer

Kshitij A. - "The question is bit vague (I guess deliberately) so I believe firstly we shall ask questions and resolve ambiguity. Some initial questions could be : 1) Is this one time activity or something that should be done on continuous basis. If continuous basis then at what frequency. 2) How much staleness is acceptable in SYSTEM Y data 3) Are there any limitation in SYSTEM Y and is it fair to assume that we would need some kind of transformation to bring data into SYSTEM Y schema. 4) What kind of vol"See full answer

Anonymous Newt - "CQ: Goal - connect two large continents, reduce the distance Is it a motorable bridge -? Any specific use case on mind? Summarise: come up with the use cases of the bridge Google’s mission -> organise world’s information and make them more accessible and useful A bridge that way is a great way to reduce the distance between two large separate continents. This bridge can help spread information faster Possible Use cases of the bridge: Transportation of physical goods: Since road tran"See full answer

Stanislav I. - "First, take a BIG short position in Tesla stocks!"See full answer

Ajay U. - "// C++ program to print the count of // subsets with sum equal to the given value X #include using namespace std; // Recursive function to return the count // of subsets with sum equal to the given value int subsetSum(int arr[], int n, int i, int sum, int count) { // The recursion is stopped at N-th level // where all the subsets of the given array // have been checked if (i == n) { // Incrementing the count if sum is // equal to 0 and returning the count if (sum == 0)"See full answer

Kofi N. - "const mergeIntervals = (intervals) => { const compare = (a, b) => { if(a[0] b[0]) return 1 else if(a[0] === b[0]) { return a[1] - b[1] } } let current = [] const result = [] const sorted = intervals.sort(compare) for(let i = 0; i = b[0]) current[1] = b[1] els"See full answer

Sachin P. - "The key here is a) not to overreact to Sales bypassing me going straight to Engineering (while understanding every team acts according to their incentives), and b) communicate with all parties as much as possible to get everyone on the same page. 1) First, I'd speak to Sales and understand the feature being requested. I consider Sales to be one of the most important primary research funnels - they have direct, regular touchpoints with the client and are finely attuned to the lifeblood o"See full answer

Takashi M. - "First of all, I’d like to identify what is Google’s business model and Google’s presence in the emerging market. I can categorize 3 main buckets. Consumer, developer, enterprise business. Google mainly offers a free Android OS platform and several services; such as Gmail, Google Map, Youtube, and Search engine for consumers business. The consumer can use those free services in exchange for providing data. That is the main hook for the ads revenues. For the developer’s segment, Google provides"See full answer

Vineet M. - "Precision - Out of all the things we picked as correct, how many were actually correct? recall - Out of all the things that were truly correct, how many did we actually find?"See full answer

fuzzyicecream14 - "1. Sales & Revenue Metrics Total Units Sold – Tracks overall headset sales volume. Revenue Growth (%) – Measures whether revenue is increasing from headset sales over time. Sales by Channel – Identifies how sales are distributed across Google Store, third-party retailers (Amazon, Best Buy), and carrier partnerships. Sales by Region – Helps understand geographic demand and refine regional marketing efforts. Attach Rate – Measures how often the headset is purc"See full answer

Louie Z. - "DNNs can learn hierarchical features, with each layer learning progressively more abstract features, and generalizes better. SNNs are better for simplier problems involving smaller datasets and if low latency is required."See full answer

Sofiya H. - "Context / clarifying questions: Should I assume this is part of Google company? Let’s assume yes Let’s assume we’re building this for Waymo, Google parent company Self-driving cars industry today It’s evolving a lot. I do not have much information on the industry but I know Waymo self driving cars are progressing and there are self-driving taxis already running. Why are we building this and why are we building this now Mainly to understand if this makes sense to"See full answer

Rajdeep J. - "Let's take Google Fitbit as the product and analyze how to identify its competitors. 1. Identify Direct Competitors (Similar Wearables & Smartwatches) Fitbit is a fitness tracker and smartwatch brand, so direct competitors include: Apple Watch Series (Apple) Samsung Galaxy Watch (Samsung) Garmin Wearables (Garmin) Amazfit & Zepp (Huami) Xiaomi Mi Band (Xiaomi) These brands offer smartwatches or fitness bands with similar health-tracking features. 2. Use Launch Events for Insi"See full answer

Maritza C. - "First, I would make the following assumptions to solve this question without instant feedback. Assumptions: The main use cases for the refrigerator will be to maintain food in the right temperature and will not include making ice cubs or pouring water The only disability of the user is blindness Then, I would identify the main flows used when maintaining food refrigerated, which are: Putting food into the fridge Taking out food out of the fridge Within these flow these are som"See full answer

So X. - "Why is the value of an Android user only considering incremental clicks on ads instead of all clicks on ads?"See full answer

Neeraj K. - "Clarify 10X -> usage or revenue Approach What is Msft Copilot & key capabilities Understand the space in which Copilot operates : Target segments & use-cases serve Competitors (alternatives) Leverage microsoft has : Understand the stack (infra -> application layer) -> leverage Understand Microsoft ecosystem & leverage we have Define : 10X growth strategy (for whom -> & what? -> distribution (acquire & retain)) MSft Copilot & key capabilities Cons"See full answer