Interview Questions

Karthik M. - "Assumptions & Clarifications This is a platform based on YouTube, and it can use associated Google Products like Gmail, GDocs, GSheets etc along with Youtube as a base platform. Do you have any specific goals with the platform? For instance, should this be the de facto platform for Universities K12 schools etc? Assumption is that it can be used by anyone. Let us first discuss the target users, and then arrive at appropriate goals that we can use to measure the adoption of the produc"See full answer

Pranay N. - "Okay, so before we start discussing how to design this platform, I have a few questions I need details on. Clarification Questions: What do you mean by "Podcasting Platform"? Producing a platform and releasing it online takes several steps (Ideation, scripting, equipment selection, recording, editing, choosing a platform to release, etc.). Are we looking at any specific step here? - Free to Assume Am I PM at Google designing a Podcast Platform as a tool inside existing Google Pro"See full answer

Jyoty S. - "Cars have a side mirror that captures any vehicle passing on the side; however there is a blindspot right besides the B beam between the doors. A car on the side passing is not visible to the driver as the angle of reflection would be smaller as the car is farther behind. It is also not visible in the back facing mirror (which captures vehicles farther behind). A driver would have to lean to the left or turn their head to check for cars in that blindspot to change lanes safely. This applies to"See full answer

Palak A. - "Designing a system to deny services to requests from banned IPs involves integrating real-time IP checking with your service architecture. Here’s a detailed outline of how you can design such a system: System Design Overview The goal is to ensure that your service can efficiently check incoming requests against a list of banned IPs and deny access when necessary. The system will leverage an external API, security.gov.x, to determine if an IP address is blocked or allowed. **Key Compone"See full answer

stash - "To answer this question I am going to first clarify the product offering and what ti does, talk about the goals for IG reels for Facebook, go through user actions and then come up with some key metrics to measure success of the product based on the goals. Product Overview IG reel allows creators to build short-form video with a bunch of different editing features and post that to their followers or to the broader IG network. It allows regular IG users to create their own content and build"See full answer

Sahil A. - "Clarifying questions: Open metrics - Number of times users open the google document on a given day 10% decline - is it a gradual decline or steep decline? (since when) Do we witness decline from a specific geography? Decline for consumers or enterprise customers? Decline from web or mobile app? Review logs or bug reports to check if there are customer issues reports Internal Determine if a particular release is causing the issue Review other metrics to check if fewer do"See full answer

Ashish B. - "Artificial intelligence (AI) and machine learning. The increasing ability of machines to learn and act intelligently will absolutely transform our world. It is also the driving force behind many of the other trends on this list. The Internet of Things (IoT). This refers to the ever-growing number of “smart” devices and objects that are connected to the internet. Such devices are constantly gathering and transmitting data, further fueling the growth in Big Data and AI. **Blockchains and"See full answer

Manish M. - "Here is the sample answer from the Assistant at https://chat.openai.com/g/g-Z8yp2xrzt-fang-pm-interview-assistant As a Product Manager at Google, designing a product for air travelers involves leveraging Google's technological prowess and vast data resources. Here's a comprehensive approach: 1. \\Understanding Goals and Objectives\\ \\Primary Goal:\\ Enhance the travel experience for air travelers through seamless information access, personalized s"See full answer

Shubham S. - "Introduction UberSenior is a new service offered by Uber that provides safe, reliable, and convenient transportation for senior citizens. This PRD outlines the key features, functionalities, and user experience for both seniors and drivers using UberSenior. Problem Statement Existing transportation options for seniors often have limitations, including: Accessibility: Lack of vehicles equipped for mobility aids or physical limitations Technology barriers: Difficulty using smartphone"See full answer

S R. - "For RAG systems, You need to evaluate the retrieval and generation. Typically, you have golden truth question and answers as evaluation data set. For retrieval, check if the retrieved contexts are relevant for the question For generation evaluation, You check the semantic similarity between the golden truth and RAG generated answer. Apart from this, you can evaluate the output using frameworks like RAGAS where the answers generated are evaluated based on completeness, faithfulness, to"See full answer

Alex N. - "Perplexity - the measure LLM is surprised when it predicts next word. For example: I love to eat --- if LLM selects as next word "fruits" it will be less surprising than if LLM selects as next word "metal". It is better to have lower perplexity score. Cross Entropy is the measure how well model match true labels. So if the next word is "cat" and LLM assigns 0.5 to it then cross entropy value is -log(0.5) = 0.69 and if it assigns 0.9 probability to word cat then cross entropy value is - log(0.9"See full answer

Umang S. - "Scenario - I had joined a product in my current company as a PM midway through its development. It is a very sensitive product with a major public services company. As the product was close to its go-live date, it had to go through many checks and many signoffs. A couple of them were through data policy department and the platform department, of which we were using all of the components for our product. We needed policy sign off to authorise the use of data to understand user interactions and"See full answer

Mayank M. - "Clarifying questions- Are we considering only the viewing + upload or all the services like ads, payouts etc? -- only streaming + uploads. Are we considering any specific platform like App, website or everything? --- All. Are we talking about just the tech part or should we consider the ops cost as well? ---consider everything. High level equation- Since we want to calculate the cost of running youtube for a day , we need to consider the following verticals- **Vide"See full answer

Ayinde B. - "I was working for my friend building streams at venues across the Chicago land area for FGC (fighting game tournaments), I adjusted and engineered his equipment to be set up permanently that's until covid came around at least. I used OBS to give visual appearances to stream watchers. So we're talking about subscribe, follow, and donation notifications and things of that nature for viewers to know they contributed in one of those ways. I set up proper sign-up scheduling for participants to lock t"See full answer

Javed S. - "One good reason for using the doubly linked list is that to remove an accessed item in the list from its existing position say in the middle of the list and move it to the head, you need to update the previous node's next pointer and the next node's previous pointer. A singly linked list only has next pointers, so removing from the middle would require traversing from the head to find the previous node which requires O(n) time. A doubly linked list allows O(1) removal from any position because w"See full answer

Yespm T. - "Clarifying question: When you say users, what specific metric are we talking about?  Answer: we want to increase # of daily active users.  Assume active users are logged in users. Is there a region that we have in mind for this increase? Assume no, we want to think about globally Is there a specific device (mobile vs desktop) ? Assume no Approach: I want to first think about Youtube, its mission and current business at a high level. . Then I want to think about the current ecos"See full answer

Kunal S. - "Clarifying questions: Are there any specific constraints that you want me to take in to account when thinking through this problem : [Interviewer] No Can i think through this in freeform or is there a specific goal we are trying to achieve : [Interviewer] I will let you decide the goal Strategic Analysis: Spotifyies mission is to - "Unlock the potential of human creativity – by giving a million creative artists the opportunity to live off their art and billions of fans the o"See full answer

Sukriti C. - "Lyft at its core is a marketplace with drivers and cars on the supply side, and passengers on the demand side. I would begin by dividing the goal of the dashboard into two categories : Health of the marketplace Health of the app/ reliability from a technical perspective The second one is more straightforward so I’ll briefly mention some overarching metrics I would look at and come back to it later if time allows. Health or reliability of the app can be further divided into the following -"See full answer

Vivek S. - "Let me tell you about the time where I pivoted strategies and we launched a paid loyalty program Instead of a free one. This was a time at Reddoorz when we were gearing up to launch a loyalty program to drive sustainable business by creating a loyal user base. Initially , we had decided to launch a program where users can Opt-In for free. The idea was to get On-Board at least 40% of repeat user base into the loyalty program to drive retention. Competitive bench marking also led to our inclinat"See full answer

Patrick B. - "Clarification I would first try to understand what FB Marketplace is since I haven't really used it more than a few times. My understanding is the following Launched 2-3 years ago in the US, it is similar to web classified services such as Craigslist The sellers are not businesses but rather individuals, primarily in local areas Broad range of products with no particular focus: ranging from electronics, furniture, used cars to even apartment for rent. Sometimes posters are willin"See full answer