Interview Questions

RestlessMonk - "Below data was given in a an excel. Data of 6 weeks, at a weekly level of COVID samples collected and tested Age Group, Population size, # tested, # positive, gender My approach: Tried to understand the trend of positivity rate of each group across weeks and cumulative level There is no variation across weeks, and each cohort exhibited similar pattern in all the weeks. So looked at cumulative data of 6 weeks. No clear goal/objective set by the interviewer for vaccine distributio"See full answer

Coco H. - "These works often aren't comparable, so that I'd use a balanced portfolio of 20%-30% engineering needs and 70%-80% user needs to satisfy both sides. However, this is only a starting point, if engineering requests more than this baseline then I would use ROI to prioritize."See full answer

Anonymous Hornet - "To handle the non-uniform sampling, I'd first clean and divide the dataset into chunks of n second interval 'uniform' trajectory data(e.g. 5s or 10s trajectories). This gives us a cleaner trajectory data chunks, T, of format (ship_ID, x, y, z, timestamp) to be formed. For the system itself, I'd use a generative model, e.g. Variational AutoEncoder (VAE), and train the model's 'encoder' to produce a latent-space representation of input features (x,y,z,timestamp) from T, and it's 'decoder' to pred"See full answer

Vinayak A. - "Let's start with understanding the objective. The assumed objective is to be able to optimize for ads revenue by showing optimal number of ads to users without reducing the user engagement metrics. So, the approach I would take here is to perform experimentation with certain set of customers cohort based on different parameters. The metrics I would keep track of Customers average user engagement - time per session before and after the experiment over a week. Number of ads shown per ses"See full answer

Lucas G. - "SELECT COUNT(*) unique_conversations FROM messenger_sends WHERE senderid < receiverid"See full answer

Sarabjeet S. - "Clarification: What type of business partners are these, some examples? Why isn't a phone/Google meet sufficient for communication? Any specific countries - abroad? With unlimited resources: Mission - To drive increases in Google's business through partnerships Goal of this project - Enable Sundar to communicate quickly and effectively with partners Product vision - Multi-language simulcast of Sundar's message tailored for individual partners Details: Allow Sundar to relay the same message t"See full answer

SG - "Clarification - Are we referring to HW or SW/experience or overall product? Choose any. Choosing overall product. Are we targeting a particular use case - such as health/commerce/or am I free to choose one? Choose on your own. Any other constraints that I should be aware or? Lastly, does it have to meet both AR and VR, or can we prioritize one at this time? And if so, any concerns with prioritizing one? I am choosing to prioritize AR this point .. and I'll walk you thoroug"See full answer

Chaitali M. - "Clarifications: Is it the voice only Alexa devices or includes echo show (video)? Goal: To have people to safety quickest Users: Alexa owner At the house when somebody breaks in Family Single adult/seniors Outside the house at the time of break in Police Department Pain points/user group: Owner in the house at the time of burglary Inform all the house members at the earliest. Send SOS out on all/selective Alexa devices to ask family members to reach a safe place 2"See full answer

Soso K. - "Clarification: This is only for Facebook and not for Instagram, whatsapp etc. Facebook Hashtag helps Meta users to drive visibility into user posts as well as help categorize a post, feeling to what others in the community might be feeling. This helps bring the community together and that aligns with the mission of Facebook, which is to bring the world closer. This feature is also not a new feature in overall social media landscape, Twitter did it before and gained instant popularity. Wit"See full answer