Interview Questions

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

Raina M. - "Clarify the ask/ goal and scope Talk about the general need for travel in a Covid/post covid world + how it aligns with Meta's mission and business (the Why) Audience /Behavior segmentation with needs/pain points Prioritize Suggested 3 Solution territories Dived deep into 1 and mentioned tradeoffs/ risks for that one Summarized with a few GTM considerations/ideas Please note: Although the interview was scoped for 30 mins, the interviewer spent the first 15 diving into past work e"See full answer

Anubhav A. - "Clarifying question: We are just interested in facebook's ad rev and not other meta products We are looking at the rev coming per year globally formula = (avg. ads shown per min on fb products) x (avg. time spent per user per day in mins) x (avg. rev that fb makes per view) x (DAU) x 365 assumption all kind of ads give the same rev per view to fb all kind of geographies give the same rev per view to fb avg. ads shown per min -> user can scroll upto 20 posts easily in a min, lets"See full answer

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

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

Ben C. - "The suggested solution is with Joins. It works but it joins two full tables and then filters the result. A more efficient approach is using a subquery or CTE to find the top customer through the transactions table and then get the customer name using join or subquery which will only look for 1 record in the users table. Most efficient (CTE + JOIN): with top_customer as ( select t.user_id, count(*) as orders from transactions t group by t.user_id order by o"See full answer

Jack99 - "Node* getLeftMostChild(Node* node){ while(node->left){ node = node->left; } return node; } Node* findInOrderSuccessor( Node *inputNode ) { int val = inputNode->key; if(inputNode->right){ return getLeftMostChild(inputNode->right); }else{ inputNode = inputNode->parent; while(inputNode && inputNode->key parent; } return inputNode; } } "See full answer

Mohamad Y. - "YouTube"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

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