Interview Questions

Maykon henrique D. - "function longestCommonPrefix(arr1, arr2) { const prefixSet = new Set(); for (let num of arr1) { let str = num.toString(); for (let i = 1; i <= str.length; i++) { prefixSet.add(str.substring(0, i)); } } let longestPrefix = ""; for (let num of arr2) { let str = num.toString(); for (let i = 1; i <= str.length; i++) { let prefix = str.substring(0, i); if (prefixSet.has(prefix)) { "See full answer

Bipin R. - "As you know, this is the most important question for any interview. Here is a structure I like to follow, Start with 'I'm currently a SDE/PM/TPM etc with XYZ company.... ' Mention how you got into PM/TPM/SDE field (explaining your journey) Mention 1 or 2 accomplishments Mention what you do outside work (blogging, volunteer etc) Share why are you looking for a new role Ask the interviewer if they have any questions or will like to dive deep into any of your experience"See full answer

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

WaterBuffalo - "One of the most challenging situations was joining a new startup to realize that they did not figure out their core product and that customers were dissatisfied and leaving in droves. I worked together with the leaders to understand the core issue and the reasons that the customers were leaving. Then together with the team, we set out to map out those core issues and the gaps that we had in our product. We then worked towards designing a new solution to address those gaps and build an MVP. W"See full answer

Riley M. - "I would meet with my team to discuss and break down the 12 features into sub-tasks based on priority, then arrange a meeting with stakeholders to align on the priority levels and secure their approval.Next, I’d assign each of the main Priority 1 features to engineers accordingly, ensuring that the first three months focus on P1 delivery. The following three months would be dedicated to testing the P1 features while progressing with lower-priority features in parallel. This ensures that by month"See full answer

K S. - "Which location you were interviewed? Can you please share some details?"See full answer

Pratik M. - "Few clarifying questions here Is the competitor a service and does it have other offerings as well? Is it charging $5 for a service or only email? Is it for a specific platform here? Or does it include all platforms? Does the competitor have a huge market share/or is it a small company? Let's assume it's only for email's The structure I would want to layout for knowing what to do next for Gmail would be the following - Mission, Goals, Google's revenue model, Customer Profiles using Gm"See full answer

Amit S. - "YT's mission is to give everyone a voice and show them the world. So when a user is sharing their voice with us in the form of a feedback, I would receive it with open mind. I would first determine what the review is about: 1. app/website's performance 2. quality of content they experienced 3. complain about YT being addictive and causing them to lose time 4. difficulty in using the app/website (search, navigation, recent changes negatively affected their experience) 5. complain about other YTbe"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

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

Ilakiya R. - " Design & Architecture Overview: The system was a scalable, cloud-based web application built to manage customer data and automate service requests. Frontend: React.js: Chosen for its component-based architecture, reusable UI, and fast rendering using Virtual DOM. Backend: Node.js with Express.js: Selected for non-blocking I/O, scalability, and rapid API development. Database: MongoDB: Used for its flexible schema, scalability, and ease of handling unstructured data. Authentication: JWT"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

Anonymous Hummingbird - "Clarifying questions: · Is there a specific scenario we are building before? Example: urgent need for a specific type of blood vs building up blood banks proactively. You decide · This would be for mobile/web and integrate into the existing facebook product? Yes Ok before we get started I wanted to discuss the facebook mission: to give people the power to build community and bring the world closer together. I can see how blood donation fits directly into this, enabling blood donation helps"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

Arunima S. - "I’ll first set the purpose of Instagram Reels Ads as a product: Instagram Reels connect to Meta’s mission of building meaningful connections and build community via connecting people through visual storytelling. It’s a popular product with typically Billions of active users. The business model of Meta is largely dependent on ad revenue and Ads on Reels shall primarily be poised to improve revenue for Instagram Reels and in turn Meta, and on secondary notes the upside could be in improving produc"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

Venkata rakesh M. - "Here if we breakdown each dependency [A,B] , We need to check if there a cycle in Dependency Graph. If there is cycle installation is not possible, If there is no cycle installation is possible. Steps : 1: Build the graph 2: Perform DFS based Cycle Detection 3: Check each package if those packages have cycle or not."See full answer