Interview Questions

Aniket G. - "public class BoggleBoard { public static List findWords(char board, Set dictionary) { int rows = board.length; int cols = board[0].length; boolean visited = new booleanrows; int directions = {{1,0}, {-1,0}, {0,1}, {0,-1}}; List result = new ArrayList(); for(int i=0; i<rows; i++) { for(int j=0; j<cols; j++) { dfs(board, visited, i, j, dictionary, "", result, dire"See full answer

Anonymous Giraffe - "this is not a helpful interview, she seems so unprepared, confusing, unable to netting it out :("See full answer

Medha A. - "DAU and MAU: The number of active users daily and monthly to gauge the content recommended on the home page. Bounce Rate: The percentage of users who navigate away from the site after viewing only the home page. Number of Signups: The number of users who signup after seeing the content on the homepage leading to lower CAC. "See full answer

Harish M. - "The intro should last between 2-2:30 mins. Try summarizing the intro with what,when and how. The intro should be tailored or say structured in storytelling. This oozes the confidence."See full answer

Rahul J. - "Netflix is an OTT service that gives users access to media like movies, documentaries, tv shows etc. Netflix has a subscriber based business model where the revenue is a function of # of users, lifetime of user, and fee charged per user per month. The home page of a user contains titles across various genres that Netflix thinks the user is most likely to watch. This like of titles is generated using an ML algorithm that is trained with user's past behaviour: their preferences, likes dislikes e"See full answer

Aniket B. - "Firstly lets note down the ways of monetization - Promotional Ads Paid Filters and AR effects Influencer promotional fee Instagram Additional Tools for Creators - subscription basis (analytics and management) > many influencers also run their own promotional campaigns to gain more and more followers on their handles - Instagram can use this opportunity (e-commerce sites ranking algorithm of different items/sellers) > promotional ads can affect slightly on user engagement but accord"See full answer

Jeet B. - "I contradict the choice of DB for storing App Data in this case, I believe a NoSQL would have been a better choice. Could you please clarify why you chose RDBMS/SQL?"See full answer

Anonymous Moose - "Clarifying Questions: Why does Meta want to build this product ? {Aligns with Meta's mission of connecting people} What's the goal ? Does Meta want to monetise this initiative in any way? {It wants to increase the total number of users using this platform and then in the mid-term increase engagement} User Groups: Young (20-40), tech-savvy working professional; seeking doctor consultation for self, friends and family members (First) Older mass (50+), seeking frequent and accessible doct"See full answer

Graig - "Yes to peer manager from stackholder team the problem was every time she wanted say something she used to have three way connect with me and my manager"See full answer

Anil K. - "Acquisition New sign-ups for Google Drive Service Google Drive app installs Activation Number of users with at least one file since sign-up Paid Google Drive Users Engagement DAU, MAU Sessions, Frequency Time spend Files accessed per session Task completion - sharing file, setting up automatic back up etc. Retention % Repeat Users % Users Churning out Google App Uninstalls Referral Inviting"See full answer

Rev - "Narrow down on a person (born in city childhood - school - college - work - retirement) Age: 0-5 = ignoring travel for this part (might travel with parents) 5-19 = weekdays school, weekends outings School distance 5 km , total = 10km (to & fro) (4 intersections * 1min(time spent) = 4 min/ day) 52 x 5 x 4 = 1040 mins ~ 15 hrs 15 * 14 yrs = 210 hrs Weekends 52 x 2 = 104 days * 0.3 = 30 days Trips = 10 km (8 intersections * 1min(time spent) = 8 mins) 30 x 8 ="See full answer