Google Interview Questions

Anonymous Muskox - "Okay so the objective is to describe a product which I think is poorly designed despite of what market sentiments are around this and how the product is performing currently. Okay understood, so the way I would like to go about it is first I will state what are the factors which I look in a product to tell it is a good product. Then will see how a particular product doesn’t follow this and that's why I called it a poorly designed product. For me a product is great if it is having these qualities"See full answer

Yashasvi V. - "WITH RECURSIVE fibonacci_series AS ( SELECT 1 AS n, 0 AS fib1, 1 AS fib2 UNION ALL SELECT n + 1 AS n, fib2 AS fib1, fib1 + fib2 AS fib2 FROM fibonacci_series WHERE n < 20 -- Limit the series to 20 numbers ) SELECT n, fib1 AS fib FROM fibonacci_series ORDER BY n; `"See full answer

coolkid1 - "wasn't aware of ticketmaster thus asked time from interviewer to glance through the portal, also cross-checked any other value prop from the interviewer that i couldn't infer from website, for ex. providing assurance of confirmed tickets. clarifying questions - who am i? do we want to partner with another player or provide services on our own? any specific goal - monetization, engagement, retention etc. in mind? any particular geo? "See full answer

Rev - "Clarify: More about google online tutoring service? - content type, is it recorded/ live, certified/ at own pace/ paid, unpaid, etc.? Objective of this service? Organise world's info & make it accessible & useful, any other objective? What is the revenue model? Competition? Region/ geography? Constraints? Approach: Awareness about the product & job openings: Print & Digital media, ads via google products Accessibility to apply LinkedIn/ Google careers page, post"See full answer

V V. - "Simple file system ( Hash Map , LSM trees), and consistent hashing. I failed to discuss about conflicts ( Versioning)"See full answer

Vaibhav B. - "Great question, I’ll take a moment to organize my thoughts before answering - Sure I have a few clarification questions and some assumptions - Go ahead 5 years and infinite resources, I have no constraints in terms of making technology advancements - Yes, no constraint I’ll focus on improving the lives of people and changing the ways people use Google Translate and may expand the use to different products.. not just existing interface - Cool Let's take a step back and think why people nee"See full answer

Manas M. - "I'd ask Clarification questions here before proceeding with designing a CDN. The questions would be. What is the Use Case with multiple questions in it What sort of Content do you want to serve - Static files or Streaming Media or trending content? How many regions do you want to cover Do you want to prioritize speed and the Latest file availability or do you want to prioritize time-based caching per region? Budget constraints(push cdn's can be cheaper). Whether"See full answer

Shasleen I. - "Clarifying Questions Who are we? Traditional elevator company or a new age tech startup Assumption: New age tech based elevator company Any constraints: Budget, etc. Assumption: No What kind of a skyscraper building: Assumption: Commercial. Includes office spaces as well as others Any particular goal with respect to building this elevator? Design best in class elevator providing the best user experience for passengers User needs - Users have the following needs when"See full answer

Adam F. - "The instructions give an incorrect answer I think? """ // tree 1 / \ 2 3 / \ 4 5 The diameter is 4, which is the length of the path [4, 2, 1, 3] or [5, 2, 1, 3]. """ My code returns 3 for this example, and yet passes all the tests \# debug your code below root = Node(1) root.left = Node(2) root.right = Node(3) root.left.left = Node(4) root.left.right = Node(5) print(diameterOfTree(root))"See full answer

Dev S. - "My Favorite Product is Grammarly unlike Microsoft spell checker, it helps correct the mistakes as I compose my sentences. It follows rules, patterns, machine learning, deep learning, and natural language processing (NLP) to improve users’ writing skills and improve their confidence in writing skills. I would evaluate this product by the following design principles. Usefulness Understandability Innovative It’s honest I can expand this criterion and explain how I evaluate prod"See full answer

Gabriel R. - "Thanks! First let me ask some clarifying questions: Do you mean mobile app? TV app? I will assume mobile and TV included. When I'm playing the role of the CEO, should I consider their current business' state? Yes I should. Is there a goal I should aim for as CEO? Yes we want to maximize retention on our app. My favorite 3 apps are: Google Translate Collectr Peloton I love these app because they help me out tremendously weekly! Google Translate is a free a"See full answer

Saket S. - "I will look at the % of overspend. If we are within 10%, I would not worry about it too much as most budgets factor in 10% contingency. If Budget has exceeded 10% Threshold, I will use the following approach: Deep dive on current status: Understand % work completed/accepted Analyse Schedule/Time progress Understand Project Priority: P1/P2/P3 Resourcing: Internal/External Complexity: Technical design (Number of Applications involved/ Number of Interfaces to be build e"See full answer

Agnes D. - "Clarify: What is the objective? Grow user base of Prime or add revenue? Hypothesis: I believe it would be to grow user base of Prime. In that case, I would look at the target users for this – which will be mostly Non-Prime members whom we are trying to convert to Prime users. If I analyze who would be interested in purchasing gifts and having them gift-wrapped, user segmentation would not really add value as age, gender or geographical segmentation will not provide much differentiatio"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

Araz J. - "Time taken: ~40min. I made up how Gmail Ads work A: Do you mind if I clarify a few things about this question? G: Sure! A: I would like to understand what Gmail ads is and how it works? G: Gmail ads are interactive ads that show in the Promotions and Social tabs of your inbox. A: I know there can be other emails under Promotions or Social tab such as different brands sending promotional emails. G: Gmail ads look different and are labeled as "ads by gmail" A: Great. And how does Gmail ads make"See full answer

Matthew K. - " function climbStairs(n) { // 4 iterations of Dynamic Programming solutions: // Step 1: Recursive: // if (n <= 2) return n // return climbStairs(n-1) + climbStairs(n-2) // Step 2: Top-down Memoization // const memo = {0:0, 1:1, 2:2} // function f(x) { // if (x in memo) return memo[x] // memo[x] = f(x-1) + f(x-2) // return memo[x] // } // return f(n) // Step 3: Bottom-up Tabulation // const tab = [0,1,2] // f"See full answer

Jordan Z. - "Maybe we can use this solution: 1, connect all the strings together, and add an integer value ahead each string. 2, use Huffmans algorithm to encode the step 1 result, to make the result size smaller. 3, return the root of Huffmans tree. This solution man be slower than the common serialize method, but it can save a lot of memory, I think, at lease doing serialize is mainly for tranfering data or storing data."See full answer

Adib M. - "Any answer after this video won't compare. Not an expert. With that caveat out of the way, here is my answer I'd break this work into different phases = Discovery Phase, Planning Phase, Execution Phase, Monitoring phase, Ongoing Discovery : How many Products does this enterprise have? Are we talking about internally developed Products that we sell in the market place? or also third party Products that our enterprise has purchased for internal use? Should we include Operating Systems, net"See full answer

Mayank S. - "[2:53 pm, 02/12/2021] Mayank: Before we deep dive into brainstorming the solution I go ahead and make few assumptions for clarifying questions: Step-1- Framing a problem 🎯Why users go to gym? To relieve stress by doing exercise To maintain their body To reduce their weight To remain active To make good physique 🎯Who goes to gym? Couples Group of friends Individuals Here we are trying to design high tech gym so it means we are looking to create good experience-and"See full answer