Interview Questions

Anonymous Unicorn - "input_logs = [ f"{senderid} {receiverid} {transaction_count}" "1 2 2", "3 2 42", "2 2 22", "1 1 12", "2 1 1", "2 5 4", "4 2 15" ] input_threshold = 20 exptected_output = [ list of user_ids that made more than 20 transactions sorted by number of transactions in descending order "3", # 42 transactions "2", # 27 transactions (22 + 1 + 4) #"4", # 15 transactions #"1" # 14 transactions (2 + 12 + 1) ] def gettopapi_users(logs, thres"See full answer

Sudhansu T. - "In Ideation phase, the below points should be concentrated on. Ideation Market research Competitor Analysis in the next phase it should be conceptualisation where we define the problem, find user persona and some of the feature priortization. Next phase has to be validation where we build the MVP, do user testing, Iterate. Then comes the prototyping, Development, QA, Marketing and Position. After which we launch the product. may be a soft launch first and the proceed to full launch"See full answer

Rahul J. - "Skype is a communication and collaboration tool used by individuals and businesses. Users can send messages, do audio and video calls, share screen etc. There are two parts to the business model: Individual user - to - individual user: users can make audio and video calls at no fee Enterprises: Organisations need to purchase the subscription for internal usage. Revenue depends on \# of paying enterprises, length of subscription, price per month/year Product objective: increase rev"See full answer

Michelle B. - "I would analise it in some macro and micro aspects and then evaluate those, and think abou an release strategy. First considering the macro aspects that are: what is the main business goal and is the product addressing it? what is the user value and how the product is working towards this? And by last, what is the success metric, and how likely the product as it is, is in the way of accomplish it? Then, if those macro aspects are on track, I would go for a second round of analysis, to ev"See full answer

Allison C. - "If I were to design a smartwatch app for Uber, I'd sort my work into two buckets: modifications fro the mobile-native app and new features that would be considered for the Uber experience on a smartwatch. As for modifications - you'd really have to think through the customer journey of ordering an Uber from your watch. For the purposes of this question, the only use case to use Uber would be to order and complete a ride from one point to another, not to look at ride history or get help on a pr"See full answer

Bipin R. - "US Population = 330M Smartphone users (80 percent penetration) = 264M Apple has roughly 40 percent market share and Samsung has 30 percent. Pixel has the roughly 2 percent market share. Total Pixel users = 2 percent of 264M = 5.3M users"See full answer

Rishabh P. - "At first, we would need to what's social features and it's basic functionality. As I understand social featuring is for sharing the podcast among the users within the Stitcher application. Let's first understand the objective of building this new feature. It is to drive user engagement within the application. Secondly when our friends recommend us something we mostly give it a watch. That's beneficial for driving user engagement and at the same time increasing the listening time for the users. "See full answer

Satyam S. - "Binary search is commonly used for searching elements in a sorted array. Most searching algorithms take O(n) time, but binary search operates in O(log(n)) time complexity. function binarySearch(arr, target) { let first = 0; let last = arr.length - 1; // Adjusted to correctly represent the last index while (first target) { last = mid - 1; } "See full answer

Anonymous Koala - "Google GOAL is to organize work info and private information to users. Providing info on operating  hours can upset customers making him not to visit google to check hours but rather use other APPs as yelp. Will hurt Google advertising revenue. Also restaurant business if  the user find info is not credible Stakeholders Goggle End  users Owners Current Sources Restaurants website Customers feedback Owners adding it on google business Chances of disambiguation holida"See full answer

Ravi P. - "First Example I in my role as a engineering manager were designing homepage widget where we showing , how much sales the seller has made today . We were listening to order placed event , and then aggregating this information and showing to seller , Now there were cases where a sellers order might have been cancelled be user or by the seller or due to some breaches , as this can happen through multiple different channels and which were not audited , There was no full proof way to cover all the e"See full answer