Interview Questions

M N. - "What is rider cancellation? Is it a rider requesting a ride but hitting the cancel button after the driver is on their way? Yes. I can see why it's concerning since that affects our # of completed rides and driver earnings. Let's try to understand the root cause. Rider cancellations have increased in what time period? We noticed it last week. Was it slowly dropping for a while or did we notice it only last week? It was a sudden drop last week How did other metrics behave last week? For eg,"See full answer

Pathworks P. - "To answer this, I will focus my efforts on explaining the most common type of API used in most modern software development applications - the REST API. For the purpose of simplicity, I will also keep the topics of Authorization and Authentication out of the mix. In essence, an API is a group of logic that takes in a specific set of inputs and responds with a specific set of outputs. This is analogous to going to a drive-thru and placing an order for a meal. When you give an API a bunch of"See full answer

FuzzyLogic - "Context Photo app || Click images, videos via mobile app (android, ios) + editing + share + upload Who are we? || Startup who wants to build accessibility apps for the disabled people Why do we want to build this app? || Current apps are not usable by visually impaired, we can bring difference & gain market share. Constraints || To launch in next 12 months Is this app exclusively targeted for blind? || Yes but regular people may also use it but not our main target group **Goa"See full answer

Nikita B. - "Mission: Tiktok's mission is to inspire creativity and Joy. Any business wants to make sure that they are serving the value to their customers: For TikTok customers are: Viewers 2. Content Creators 3. Advertisers So few metrics we could measure are: Time spent/day Total no of videos created/day engagement rate = users who interacted in one of the meaningful action on Tiktok / total users at a day level either likes, share, watched vide for at least 5 mins, created video "See full answer

Himanshu G. - "To model ROI for a product launch, the first step is to define the timeline you're targeting Example 6 months post-launch, 1 year, or even 5 years. Tip: Start with a 1-year ROI projection to estimate near-term returns, and build a 3-year projection to evaluate growth and scalability. ROI is essentially the net return over that period: Profit=Revenue (within timeline)−Total Cost (from project start) Total Cost includes both fixed and variable costs incurred since t"See full answer

GalacticInterviewer - "I first clarified what he needed for the leaderboard meaning did he need a gaming leaderboard system, a stock market leaderboard system where the trades placed would be ranked in terms of values or a coding platform leaderboard where the users are ranked as per the points earned by solving the problem? He answered that he wanted a multipurpose leaderboard system He was specifically interested in the design of the api part Explained him that assuming we had a flask api there would be a get re"See full answer

Ben G. - "Situation - A time where I had to collaborate with a team member in another department was while I was at Google working on my hotel project and had to work with the legal department for our OOBE flow. Task - I was tasked to work cross functionally with the legal department to lead the design of the out of box experience for our product to ensure our guest users were sure of policies around data and privacy. Action - In order to establish cadence and effective relationship building, I set up a t"See full answer

Ranj A. - "In the Transformer architecture, the decoder differs from the encoder primarily in its additional mechanisms designed to handle autoregressive sequence generation. Here's a breakdown of the key differences: Self-Attention Mechanism: Encoder: The encoder has a standard self-attention mechanism that allows each token to attend to all other tokens in the input sequence. Decoder: The decoder has two types of self-attention. The first is the same as in the encoder, but the second is mas"See full answer

Dev S. - "Since you have indicated that the drop has been from the past few days and it is the sales drop. Assumption 1: It is not a gradual decrease and something that has been seen in the last few days. My assumption is the e-commerce site is a google store site where google sells all the products. At a very High-level the decline in sales could be caused by customers buying less on the site, customer churn, or decline in new customers, higher cart abandonment rate, checkout process. I would struc"See full answer

Darpan D. - "Clarifying questions and Assumptions ChatGPT search means the search function inside the chat app? OR ChatGPT search Chrome extension? Assumption: Search inside the chat app. Is there any location restriction in this analysis? Assumption: USA only. Is there any user segment restriction in this analysis? Assumption: All user segments. Are we assuming the ChatGPT search already exists or going back in time before the ChatGPT search existed? Assumption: Go back in time"See full answer

Prashant S. - "To improve the passenger experience at a major metropolitan airport, I would focus on streamlining the pre-arrival, arrival, and post-flight stages of their journey. Pre-arrival, we could integrate flight details into the Uber app and provide predictive ETAs to help passengers plan better. At the airport, we could partner with authorities to create dedicated drop-off and pickup zones, along with clear in-app navigation to reduce confusion. Post-flight, we could implement dynamic pickup zones, vi"See full answer

Alexander R. - "In my previous role as a Team Leader at XYZ Corporation, our department was facing high turnover rates, and the skill levels within the team were not meeting the company's evolving demands. We were in the midst of a major project that required a skilled and cohesive team to deliver on tight deadlines. My primary responsibility was to enhance team development and retention. Specifically, I needed to reduce turnover by 20% within six months and improve team competency to handle new project requir"See full answer

Elisa L. - "Being a marketplace, there are two users that Uber wants to satisfy: the rider and the driver. I think the ultimate success metric is related to how well riders and drivers get matched. The ultimate goal for the rider is to get to their destination as efficiently as possible. Some concerns for the rider may be Matching with drivers Minimizing waiting time waiting to be matched and waiting for the driver to arrive Ease of pick-up and drop-off (ie. Driver coming from the opposite side of t"See full answer

Umang S. - "Before diving into answering this, I would like to ask some clarifying questions - High Level - What is the mission, goal, target for this year for WhatsApp? Assumption answer - 10X growth in users Do we have any road map where we can see it with more details? Yes we wish, it is kind of all over the place Do you know how far we have come from the start of the year to achieve that target? Yeah we have done some progress but not much Which quarter are we in? 1"See full answer

Sue G. - "Abstract class A class that can have Abstract methods - without implementations and Concerete Methods i.e with implementation. Can have private, protected and public access modifiers. Supports Single inheritance i.e a class can extend only 1 abstract class Can have constructors Mainly used when sharing common behaviors Interface Class A collection of abstract methods ( can have static and default methods also - onwards of java 8) Public, static, final are the access"See full answer

Shiva K. - "Increasing a development team's productivity by 25% requires a multifaceted approach that addresses various aspects of team dynamics, processes, and individual performance. Here's a structured approach to tackle this challenge: Assess Current Productivity Levels: Before implementing any changes, it's crucial to understand the current productivity levels of the team. This can be measured through metrics such as velocity (for Agile teams), time-to-market, defect rates, etc. **Identify Bo"See full answer

Shivam B. - "To address this question, I'll assume that Horizon Worlds is a virtual reality platform offering immersive experiences and content to users. As a Product Manager at HW, my approach would be to focus on metrics that align with the growth stages of the product. I'll use the AARRR framework (Acquisition, Activation, Retention, Revenue, Referral) to guide our analysis. Assumptions: Horizon Worlds is primarily a content-driven virtual reality platform. The business model includes both free"See full answer

Venkateswara reddy K. - "Form what I know I would state the following two points: Only 20% of google's $180B revenue comes from non-ad revenue sources. Google Cloud is a big part of Google's revenue diversification efforts. Google cloud at $13B is still under 10% of total revenue. Google cloud is at position 3 compared after Amazon AWS and Microsoft Azure. Typically only top 2 platforms take majority of stake in a lot of businesses. Google Cloud's Goal: Become one of the top two Cloud platforms in the world by deep"See full answer