Interview Questions

Rustam - "There are number of ways where an app could lose users. I would try and speak with the following teams to figure out the issue. Data Team - I'd ask data team to see if there are any drops in the existing game funnels. There could have been an issue in game design. Potentially players could have gotten stuck on a super hard level and left or flew through a puzzle that was too easy, and also left. Essentially, figuring out the progression curve of the game, which often times can lead to play"See full answer

Gemma S. - "from typing import List def productExceptSelf(nums: List[int]) -> List[int]: if len(nums) <= 1: raise Exception("nums must contain at least 2 items.") Initialize totalProduct to the first number in nums. Later, we will populate this as the product of ALL numbers in nums. totalProduct = nums[0] if nums[0] != 0 else 1 If there is more than 1 zero in nums, all products will end up zero. But if there's only 1 zero, there will be 1 nonzer"See full answer

Anonymous Salmon - "clarify: paid users, annual subscription user segmentation: levels; active vs dormant; age; regions use cases & pain points solution brainstorm: retention = activation + engagement + resurrection; prioritization of solutions execution"See full answer

Takashi M. - "Me: First of all, I’d like to have some clarification about this project. Me: What is the current product line design of the vending machine? Is this a traditional vending machine? Customers pay money cash or credit card, and select products and receive the product. Interviewer: Yes, that is the correct assumption. We make vending machines for canned drinks and bottled drinks. Another product line is for selling small packaged snacks. Me: What is the goal of this project? Is"See full answer

Ashvini B. - "Clarifying Questions: What's the goal of this feature? I am assuming the goal is to improve the experience. 2) Are we focused on any specific brand? Tesla, Waymo? - I am assuming in general 3) Market - US 4) For the purpose of this question, I am assuming elf-driving cars are fully safe/autonomous and doesn't need any attention from the users to reach from point A to B. Revised problem statement - Design a feature for self-driving cars to improve the experience. User-segments: People who use i"See full answer

Ankita G. - "Merge Sort"See full answer

Sarabjeet S. - "Goal of YT search is to enable quick access to a video of interest to user. So success for YT search would mean access to videos that interest, and user actually clicks on one or more searched videos to watch them. It also means reduced time searching overall, with high relevance results shown for search string. Actions performed by users are: Goes to the YT site or Mobile app Clicks on the Search window to type Enters search string and presses enter Browses the list, scrolls"See full answer

Nilanjan D. - "Amazon Prime will generally have a limited group of uploaders rather than a million of them. This should influence the design of the Uploader service as it doesn't need to scale that much. Also the Encoding service role was not too clear"See full answer

Devendra B. - "As a direct competitor to my favorite product, our mission is to enhance productivity for creative professionals. Targeting small design agencies, our solution offers a streamlined project management platform tailored to their specific needs. Launch feasibility relies on user feedback, ensuring impact and monetization through subscription-based pricing. Success metrics include user engagement and retention rates."See full answer

Durga prasad K. - "Product Led Growth Strategy is where literally product drives growth Examples: Referrals Shares on social platforms Product offers basic functionalities for free and user has to upgrade for overall access Inviting friends or teams to your whiteboard In order to build an effective product led growth strategy we need to understand the users pain points, motivations, un met needs in detail that will help us to understand what resonates with the users such that they love the product, s"See full answer

Anonymous Jellyfish - "Microservices for resolving diffs, storage S3 for keeping files"See full answer

Anonymous Hummingbird - "Q: should this be part of FB or a standalone product? A: no hard requirements, it just has to be something that FB would launch Q: is there a specific region we should be designing for? is it ok that we focus on the US as its the current epiccenter of the pandemic? A: Yes that's fine Q: fighting covid-19 is a very broad goal, what if we translated this into decrease the spread of covid-19 - there's multiple ways we could do that but it makes it a bit more concrete. A: Yes that sounds good "See full answer

Amit T. - "Question Design a product for P2P borrowing & lending money Clarifications Is this only P2P borrowing/lending or can financial entities participate too? - P2P only Is it to borrow/lend physical cash/digital money/cryptocurrency? - digital fiat money Are we focusing on specific geography? - US What’s the goal of this product? - Retention Are there any resource constraints? - No What’s the timeline to launch MVP? - 6 months FB Mission Empower people to build commun"See full answer

Sourabh M. - "\>> Amazon Mission & Strategy \>> Where does Amazon Prime fit into Amazon’s mission? \>> Analyze Amazon’s positioning thru \Porter’s 5 forces \ \>> Available Options \\Amazon Mission & Strategy\\ \>> Vision // To be everything store \>> Jeff Bezos // Your margin is my opportunity \\Amazon Prime\\ \>> Loyalty program to help increase customer loyalty // CLTV \>> Fuels Bezos philosophy of \“your margin is my opportunity”\ \>> Amazon Services\: E-Commerce, OTT, Mus"See full answer

Salome L. - "WITH discount AS ( SELECT name, type, CASE WHEN type = 'Electronic' THEN price * 0.90 WHEN type = 'Clothing' THEN price * 0.80 WHEN type = 'Grocery' THEN price * 0.95 WHEN type = 'Book' THEN price * 0.85 ELSE price END AS discounted_price FROM products ) SELECT name, type, ROUND(discountedprice, 2) AS discountedprice FROM discount; `"See full answer