Interview Questions

Kapil D. - "Overall a very good summary of ranking problems. I wish there are more details in the post on depth of modeling. One can talk more about advance ML architectures like DCN, BertRec etc"See full answer

Shraddha D. - "I like chatgpt for the following users Getting industry references are easy and time saving Getting recommendations is very easy Responses are accurate I use chatgpt to get feedback on content and identify gaps in my documentation or thought process I use chatgpt as a search engine and to get conscise situation based information. Chatgpt offers varierty of other tools in the explore version where similar users can create different content PRD template Chatgpt users 1."See full answer

Mohammad M. - "Clarifying questions What is Facebook Events How does this work Is it only desktop based or app based as well Why Meta built it Core idea/tenet for Facebook is to have user engagement & to build everything around it. While people continue to interact with Facebook and create content on it, to increase the duration of engagement, having capability to host virtual events ensures community participation and making Facebook go beyond status and photo updates and let people coordinate"See full answer

Anonymous Goat - "Batch Packing Problem In Amazon’s massive warehouse inventory, there are different types of products. You are given an array products of size n, where products[i] represents the number of items of product type i. These products need to be packed into batches for shipping. The batch packing must adhere to the following conditions: No two items in the same batch can be of the same product type. The number of items packed in the current batch must be strictly greater than the number pack"See full answer

Amy M. - "Clarifying questions: Do we want to focus on front end or backend? Front end Do we want to focus on any particular platform? For ex: Site, mobile, apps Interviewer: Desktop Is there anything tools on gmail that you'd like me to focus on? For ex: Meet, Hangouts, Notes Interviewer: Just the main product Are there any specific product buckets that you'd like me to go through? For ex: Sign up flows, login flows, security, product experience, sign out flow, recommend"See full answer

Gadi R. - "So first, I have some clarifying questions, what is Facebook lite? If I understand correctly this is a version of the Facebook application for Android, with the same functionality but lighter in terms of size. It is aimed to be used in emerging markets where the bandwidth is limited What are the tradeoffs for the size of the app? I guess that some visual elements are stripped down from the app and reduced its size Is this application exist or I am launching it The timeframe of the product?"See full answer

Bk - "Clarification: By Improvement we could delve into either improving Monetization, User Engagement, Experience or Retention. Project Goal: In particular letz focus on improving User Engagement/Experience which may also pave way into monetizing - cuz the way I see it is to put out multiple configurations /packages in the market, and allow users to choose and pay for the services. Its as simple as hiring a full time assistant vs part time. U pay for the service rendered. **Product Vision"See full answer

Hans - "Described a scenario where I joined an established project as an EM Typical medium sized team - 6 devs, 2 testers, PO, PM (part time) Scrum master (very hands off) The product was well established and already being used by circa 30000 single country based users for the companies own products (personal banking capabilities) We were due to go live with a BIG change about 2 months after I joined - this change meant a user could manage multiple personal banking accounts from the 1 interface. We w"See full answer

Chinmay S. - "#include #include #include using namespace std; vector diff(const vector& A, const vector& B) { unordered_set elements; vector result; for (const auto& element : A) { elements.insert(element); } for (const auto& element : B) { if (elements.find(element) == elements.end()) { result.push_back(element); } else { elements.erase(element); } } for"See full answer

Ashish G. - "Rate Limiter is to limit the number of request from a particular IP Address. Rate limiter will block the IP address to reduce the load on server. It should be highly available and handle concurrent requests. Blocked IP addresses should be kept in a pool which is present in shared cache. We need to keep threshold value after it reaches threshold value it should start blocking IP address. All these ip address to be kept in No SQL DB. Batch will run that will clear the cache and delete all the bloc"See full answer

Bradley E. - "Here's a simpler solution: select u.username , count(p.postid) as countposts from posts as p join users as u on p.userid = u.userid where p.likes >= 100 group by 1 order by 2 desc, 1 asc limit 3 `"See full answer

Jacob C. - "Clarifying Qns: Did the watch time went down and comments went up for the same videos or are we saying total watch time and total comments on Youtube? (Total) I am assuming we are not including Youtube Live videos because those are typically live chat 1000’s of comments for a single video. (Correct) Do we know if these two could be independent problems not correlated with each other (No) Here is my approach to diagnose the root cause: Will look at some general trends first Intern"See full answer

Andrew B. - "Assumptions: We're looking only at a single large dealership in San Jose, per the question, not all large car dealerships New cars already come with tires; the dealer does not have to purchase them separately A couple of different ways I might approach this: Approach 1: Estimate based on # cars serviced per day Dealer intakes 10 cars for servicing per hour (based on anecdotal observation) 100 cars serviced per day (assuming service dept. open 10 hours per day) Cars that need onl"See full answer

Devendra B. - "Narrow scope of mission: As a Product Manager for Google Search, my primary mission would be to enhance the search experience for users, ensuring they find the most relevant information quickly and efficiently. This involves continually improving the quality of search results, enhancing the user interface, and exploring innovative features to meet evolving user needs. Customer segments: Google Search caters to a diverse range of users, including students, professionals, researchers, and"See full answer

Michelle D. - "Approach: 1) Clarify question with interviewer When we say "app", I'd like to confirm the app for which user. For example, in Rides, we have an app for the rider and an app for the driver. For Eats, we have an experience for a customer purchasing food but I don't know of the experience for the restaurant. Could you confirm which users' experience you're describing when saying "app"? Let's say rider/customer purchasing food. Also is this a situation prior to launch of Uber Eats, wh"See full answer

Harshit G. - "Great question. My favourite product is YouTube Music. Let's see on what its strategy should be for next year. Clarifying questions No clarifying questions on this as I will be working with my favourite products. I will have few assumptions which I will state out before we proceed. Assumptions Assuming that we need to come up with strategy for YouTube Music app - not considering YouTube as a whole as part of this. I am considering overall audio streaming as the space to come up with the s"See full answer

Gabe M. - "My stab at this (feedback welcome): Total distance for last car 500 meters: Assuming mostly standard cars, average car length + gap = 5 meters. Acceleration time total 505 seconds: first car reacts slowest, accelerate in 10 seconds. Every other car needs 5 seconds (can see ahead). Takes 90 seconds to cover 500m: to cover 500m that means 90 seconds (20kph = 10km in 30min = 1km in 3min = 500m in 1.5m) A bit under 10 minutes = 90s + 505s. Probably a bit less as last car"See full answer

Preetham m P. - "Clarifying Questions Is the product a digital or physical marketplace? (Digital) Are we building an educational platform, freelance platform, or marketplace? (Freelance platform) Are we focusing on a specific geographical location? (India) Will the platform involve online transactions? (Yes) User Personas Individual Gardeners: Self-employed gardeners offering their services. Gardening Agencies: Organizations providing gardening services. **Educational Institutio"See full answer

Vysali K. - "Limit and rank() only works if there are no 2 employees with same salary ( which is okay for this use case) For the query to pass all the test results, we need to use dense_rank with ranked_employees as ( select id, firstname, lastname, salary, denserank() over(order by salary desc) as salaryrank from employees ) select id, firstname, lastname, salary from ranked_employees where salary_rank <= 3 `"See full answer