Interview Questions

Sai ganapathy S. - "Estimate the number of Slack Users. Are we going to calculate the number of Slack users only in the US or throughout the world ? Slack users within the US By Slack users, are we going to consider only personal account users or enterprise account owners as well ? Both. Enterprise and Personal Account. Assuming that there are around 330 Million individuals in the US, splitting them into various age groups. 0-20, 2-40, 40-60 - 80 Million each Above 80 = 80 Million Since"See full answer

Saurabh N. - "1) Have a common goal 2) Have a clear and fair accountability between teams 3) Ensure conflicts are resolved in time on common issues 4) Promote common Brain-storming , problem solving sessions 5) Most important , Have clear and effective communication established and practised"See full answer

Swaroop M. - "Formulate a draft format of idea, open to feedback, communicate your progress"See full answer

Rohan M. - "My solution is simple; it does an in-order DFS traversal to create an array of in-order elements then it searches through the array to find the node we want the successor of. finally we return the node that is 1 after the input node, in the case our input node is the last element of our DFS we know there is no successor, therefore it returns None/null. CODE INSTRUCTIONS: 1) The method fi"See full answer

Arya R. - "I'm going to assume the problem is limited until the point of where the rider get into the car. Rider segments/characteristics: Local rider (lives and travels in the same city) Tourist rider (visiting a city, using Lyft for the first time in the city) Lets think about some problems for these types of users: Local rider: (Choose to prioritize on these use-cases assuming its a larger % of rides overall) Ride shows as confirmed, but driver does not move on the map Driver does"See full answer

Mohamad Y. - "YouTube"See full answer

Anonymous Salmon - "Situation Action Result"See full answer

Anonymous Tiger - "Clarify question and state assumptions: Streetview from my understanding is compiled by a streetview car going out and taking multiple photos and then Google stitches this together to give us streetview. I'm only going to look at the streetview outdoor experience, I know for e.g Google also has full views of some businesses, malls, museums etc so for the purposes of this I'm not going to calculate this. For the purposes of this is it OK if we say how much storage required to store streetview"See full answer

Adegnika O. - "It was a Finetech product to help people remove credit card limited balance issue. The product is design especially for business man who usually use they credit card to make purchase or big transaction. Problem Credit card have a limit amont of money they can support. it is very difficult to handle situation where people want to make a transaction that goes beyond their supported credit card balance. Having many credit card is not easy to manage and go to trip with a huge amont of money i"See full answer

Priyal S. - "Clarifying questions: By no online presence, do you mean just no website for order or do you mean no searches showing up on Google/Bing as users are looking for supermarkets. Possibilities of declining revenue: For every product, i.e pantry, vegetables and fruits, are our prices much higher than our competitors? Are our competitors getting products from suppliers at a lower rate? Are we exhausting our economies of scale well? What % of people are shopping online for groceries? Are"See full answer

Ankit M. - "Assumptions: It is a brand-new product and will be for US markets. We will be making a mobile app. The purpose of this product is to solve the problems people face when relocating to a new city. Now there are many different kinds of problems to deal with, such as house hunting, furniture buying, transiting in the city, exploring and socializing, etc. I will be moving forward with the socializing feature where the user will be able to find attractions of the city and visit, he will"See full answer

Gunjali D. - "Clarifying question: By podcast, we mean a series of digital audio generally available on the internet in the form of monologue or interview. Do we need to integrate it with Facebook or design a separate product? --> Separate Product not related to Facebook Mobile/web application --> Any Constraints? --> No Goal? --> To design a dedicated app to recommend podcasts in order to increase user satisfaction Users: Power Users: Who regularly listens to podcasts and keep detailed information on various"See full answer

Rev - "Acquisition: #DAU, #MAUs Engagement: listening duration #songs liked/ shared/ added to playlists from the recommendation list #times recommended songs are listened to Benchmark the above with original metrics (before implementing the change) "See full answer

Derrick M. - "SELECT u.id as user_id, u.name, COUNT(t.product_id) AS orders FROM users u JOIN transactions t ON t.user_id = u.id JOIN products p ON p.id = t.product_id GROUP BY u.id, u.name ORDER BY orders DESC LIMIT 1 `"See full answer