Interview Questions

Dhruv S. - "Before proceeding, I just wanted to clarify we wanted to check for the impact of showing content from non-friends in users’ feeds, and here non-friends I would assume could be anyone, but mainly like content creators, and I am not including ads here. But I wanted to ask if there is any current logic as to what posts to show based on users' affinity to those posts, maybe basis the user engagement to Insta feed. now objective of this would be to improve the engagement of the platform, as if users"See full answer

Vanitha P. - "So basically, we are losing our overall users, we are seeing a drop in the no. of users logging in daily. Step 1-Clarifying questions: Is this across any certain segments of users, ike gen-Z or content creators etc? Is it affecting any particular segment of Instagram like stories, reels, content etc Step 2-Forming high-level hypothesis: External factors -Are competitors like TikTok or YouTube Shorts -Is it because of any seasonal changes (exam season etc) Internal factors -Are u"See full answer

B. T. - "The interviewer was interested how the system design would be for files, directories, symbolic links. After proposing my idea, I was asked to print all files for a given path."See full answer

Gaurav B. - "class TreeNode(var val: Int, var left: TreeNode? = null, var right: TreeNode? = null) fun isAverageOfDescendants(root: TreeNode?): Boolean { fun helper(node: TreeNode?): Triple { if (node == null) return Triple(0, 0, true) val (leftSum, leftCount, leftValid) = helper(node.left) val (rightSum, rightCount, rightValid) = helper(node.right) val totalSum = leftSum + rightSum val totalCount = leftCount + rightCount // If leaf n"See full answer

Mark - "Questions: Should we consider US or Global? Is there any existing market insights/research around driverless cars adoption? Can we assume that driverless car technology is production / public ready by 2025? Is this focus on commercial or consumer use? Assumption: Let's look at US to start for our estimation since Driverless car regulation and adoption trend will probably differ per country Let's also assume we want to estimate market size for driverless cars in 2025 for consume"See full answer

Jasmin R. - "Let's imagine you want to open Google Maps, you type maps.google.com and hit Enter. Here is what happens: You type maps.google.com into the address bar of your browser. Browser completes the address, for example, maps.google.com → https://www.maps.google.com [Address decoding] → browser breaks down the URL into parts ‘https://’: protocol → how the browser should connect to the website Default is HTTP (Hypertext Transfer Protocol) which shows up as ‘ http:/"See full answer

Sreeram reddy B. - "user table - with userid, username, email, phonenumber, accountcreateddate exercises table - types of exercises - indoor walk, outdoor walk, running, stairs, cycling, swimming etc - exerciseid, exercisetype date table - date, day, month, year - with dateid Session table - userid, sessiondateid(linked to dateid in date table), exerciseid, distance covered, calories spent, starttime, endtime "See full answer

Anonymous Muskox - "YouTube Goal -> Give voice to everyone and show them the world, Video -> Shorts( Dominated by Shorts, Reels, Tiktok Mid(1-25 Min). -> Youtube Medium Long(60-90 Mins) -> [Opportunity] Long(150-180 Mins) -> OTT Platform, Movies Youtube can assist content creators on Youtube to make high-quality Film Like Videos without any Production Setup. Assisting Content Creators to create Movies with"See full answer

Rajat A. - "CQs: Any specific geography? Assuming Indian market Are we partnering up with some other company for delivery ? Assuming yes Time frame for MVP? 1 year Scoped out Problem statement: Design a food delivery app for restaurant owners for India market within a timeframe of 1 year Mission of this app: Helping owners and vendors in smooth coordination of orders and delivering orders on time Product goal: Since this is a new product , we will focus on adoption/acquisition in short t"See full answer

Mohammad shahid S. - "We were working on a very high stake migration project where were suppose to migrate all the traffic (more than 40 million users per day) from legacy to modern micro-services based architecture. Before making this massive migration decision, company has already developed a lot of services outside monolith and we were suppose to utilise those services. Some these services there were PADs responsible to communicate the specific vendor APIs. For each vendor we had a dedicated PAD. Fast forward"See full answer

Adi S. - "Addressed the duality of the feature - each user is a consumer and provider Addressed pain points such as cleaning, security "See full answer

Rajesh V. - "As a PM i received a feedback from my program manager on my style of verbal communication. It is about me speaking faster when i wanted to get away with a topic that i wasn't confident (may be not backed up with data, or still in process of getting detailed insight of a problem etc.). Whereas when I'm confident I tend to speak slowly or more assertively that made people to follow easily. I welcomed that feedback so from then on when I'm not confident in a topic I became more assertive to let pe"See full answer

Brandy L. - "Restaurant Types High-end Fast-food Regular User Types Restaurants – seeking operational efficiency and increased revenue. Customers – categorized by group size and dining intent: 2–4 Friends/Family – casual dining. Solo Diners – convenience and quick service. Groups > 4 – shared orders and split bills. Goal Design a tablet solution to achieve product-market fit by addressing key pain points and driving high ad"See full answer

Rita V. - "Gardening product for Meta Clarifying question: Is this going to be a new product? Or part of FB/IG? Gardening as a work? Pleasure? Lets start with META mission - Meta’s mission is to bring people together and form a community. In our case of gardening, it can be smart to solve the case of tips and questions, specially for users that just start to do some gardening. Its a nice hobby and can bring people to work together and support each other. Users I think I will go and seg"See full answer

D P. - "Question for the community: have others experienced a situation where the interviewer really pushed for defining a success metric early on in the case before making too much progress on the case itself? If so, how did you handle? How I approached the case: I used the framework taught here on Exponent but have a question for the community. At the beginning of the interview, I shared my steps - company goals, customer, painpoints, solutions, prioritize and if we had time, I'll explore some succ"See full answer

Mark G. - "Situation: At my previous company, we had more than 200 different data sources across 15 business units. These included CRM systems, marketing platforms, HR databases, and even third-party data feeds. The problem was that each team was managing data in its own way. This created inconsistent privacy controls, data quality issues, and compliance gaps, all of which were becoming urgent ahead of a major regulatory audit. Task: I was given the responsibility of implementing a unified data governance"See full answer

Karan K. - "2 Approaches: 1) The more intuitive approach is doing a multi-source BFS from all cats and storing the distance of closest cats. Then do a dfs/bfs from rat to bread. Time Complexity: O(mn + 4^L) where L is path length, worst case L could be mn Space Complexity: O(m*n) 2) The first approach should be fine for interviews. But if they ask to optimize it further, you can use Binary Search. Problems like "Finding max of min distance" or "Finding min of max" could be usually solved by BS. "See full answer

Apurv K. - "!! FEEDBACK WELCOME !! Clarify question By art we mean visual art, e.g. paintings? - Yes Is this a solution to create art on Instagram or to showcase existing art on Instagram? - Create art Why build this, Engagement or Acquisition? - Engagement Reframe: We want to increase Instagram engagement through creation and sharing of art with followers. Talking about the space The Internet has over time continuously reduced barriers to creative expression. From blogging to Twitter,"See full answer