Interview Questions

LateArriver - "A mature manager. Great conversational answer. I wish more sessions with him"See full answer

Vikas T. - "Too much talk nothing concrete to know about the person that I am interviewing."See full answer

Yogi S. - "Might be good to have also explained how the engineer wasn't aware of th expedition process that you as a PM were able to identify when you spoke to the PM from the team that was providing the API, was it just a simple of case of not having access to information that you were able to help surface ?"See full answer

Anonymous Grasshopper - "I'd like to start by understanding the basic scope of the change we've observed. Who is the user? Lyft is a two-sided marketplace so it could be the driver or rider. -Driver When did the change happen? Was it slow or a sharp drop-off? - sharp, 2 weeks ago Was there a specific geographic region? Urban v suburban? - no trends Cancelling can happen at several points in ride acceptance, is there a particular point where we see most cancellations? - just after accepting a ride"See full answer

Manu G. - "I have a few clarifying questions before diving into designing a fridge for kids. What is this company in? - Startup exploring ideas to design fridge, or an already established fridge company - Startup Kids = which age group is referred to her or I can define the user segments? -* You can define it* Where is the refrigerator being used (household/school/daycare)? - Household Assumption: I am assuming Fridge's basic function is to freeze meats/ice cream/veggies etc and stor"See full answer

Rahul G. - "50% of users spending money on play store at a global level sounds off I would factor this to maybe 20% of play store users I'd go about solving for it as follows: Play store revenue has multiple revenue sources and in my view all are significant contributors, they are as follows: Ads Subscription revenue from app In app purchases I'll start with TAM(user count) for google play store = (population x internet penetration rate x smart phone share of internet users MINUS china user ba"See full answer

Dhruv M. - "While interning at Numerix Analytics, I was working on a campaign analysis project where I used customer engagement data to recommend which email subject lines performed best. Based on open rate data from the past two campaigns, I concluded that short, curiosity-based subject lines were outperforming more direct ones. I recommended using that style for the next major campaign. The marketing team followed my recommendation. However, the open and click-through rates for the next campaign dropped s"See full answer

E B. - "Clarifying Points Number of users: unique user id “More than three people” we have user id for the call recipient, and we want number of unique recipients called. We would not count each instance of calling someone. Last week: last 7 days from today SELECT User_id, COUNT(distinct calleduserid) as userscalledcount FROM calls WHERE calldate between currentdate - interval ‘7 day’ and current_date Group by user_id HAVING COUNT(distinct calleduserid) >= 3 This return"See full answer

Vasanth M. - "The question is about the decision to show the right # of photos in Facebook. Clarifying questions : Is this specific to Consumers or Business users ? Is there an drop or impact to the current metrics in terms of user engagement or the time spent on the post Are there any pain points to solve in terms of technical details like page loads etc.? Let's start with the users. There are 2 categories of users - Creators and Consumers. This can be further classified to say creators - Indiv"See full answer

Nikita C. - "Smart shoe: Q1) Is there any definition in mind/ thought process in terms of what this smart shoe will do? Interviewer: Its open to assumption Q2) Any specific user segments? Interviewer: Its open to assumption Q3) Any specific geographies? Interviewer: Its open to assumption Any specific user pain points? Interviewer: Its open to assumption I will structure the answer in following manner - 1) Clearly stating the assumptions 2) User segments 3) Pain points 4) Solutions 5) Key concerns 6) Metr"See full answer

Shiva S. - "Clarification: Believe no constraints such as for specific market or for specific device, No specific goal , can explore what improve means. Goal: can I assume improve user experience and resolve pain points, and not around monetization So goal could be to improve engagement and higher customer satisfaction with google news as a product, so basically more usage, and lower churn So more DAU Users: Consumers based on how they consume: Deep dive into news reports in a specific area of the"See full answer

Alfred O. - "We can use dictionary to store cache items so that our read / write operations will be O(1). Each time we read or update an existing record, we have to ensure the item is moved to the back of the cache. This will allow us to evict the first item in the cache whenever the cache is full and we need to add new records also making our eviction O(1) Instead of normal dictionary, we will use ordered dictionary to store cache items. This will allow us to efficiently move items to back of the cache a"See full answer

P K. - "Clarifying/Assumptions: Assuming improvement refers to lift in engagement in this case. Youtube refers to the WWW and mobile platforms. Key User Segments: Creators Influencers/Celebrities Video bloggers Regular users Viewers Power watchers Casual watchers Churned watchers Selecting the Influencer segment from the above list since it is a smaller volume of users and will have a big impact on viewers. Also, it is easier to understand"See full answer

Anonymous Crab - "Super helpful video on metrics and experimentation design! However, I did not see any discussion on the actual algorithm improvement ideas. So it left me with these questions: 1) How would you actually improve the algorithm? (e.g. sorting based on amenities preferences, miles from airport, etc.). Of course, totally makes sense that we would test how that improvement moved our chosen success metrics. 2) Should we be choosing one metric or one set of metrics we want to optimize for when we impro"See full answer

Marcos P. - "100 people per floor x 100 floors = 10,000 people. Uses of the elevator per day per person: 4, so 40,000 rides per day. Average length of a ride = 50 floors, assuming each ride is to the lobby. Target time per ride: 1 minute. Assuming 80% of traffic occurs during four rush hours, then 32,000 rides must happen in that time, so 133 per minute. Assuming six people per ride then you get 22 elevators required to operate during peak times. I reality you have to treat this as a Poisson arrival process"See full answer

Izzy K. - "Clarifying questions (since there is no interviewer to clarify, I will state and make my assumptions below): Is this an app for park-goers, Six Flags employees, or some other stakeholder? Assumption: this is an app for park-goers Is there an age-limit on the app? Assumption: There is no specific age-limit, but it should be family friendly Will this app be standardized across all Six Flags locations? Assumption: yes To design this product, I will explain my thought proces"See full answer

Anonymous Warbler - "ATTEMPT 2: Facebook Dating Sign up for a dating profile if you have FB account You see profiles of others who signed up It’s presented in a form browse cards Like or Not like profile Like + Like = Match = Unlocks to exchange messages Meetup + Date Facebook Dating - Helping people meet to date -> potential connections or long-term partner or marriage Users Just to date / meet new people Look for a meaningful relationship Look for marriage or partners"See full answer

Talles S. - "Me: thanks for the question, let me ask a few clarification questions if that's ok. Are those both personal and business users of Gmail? Interviewer: you can consider only the personal ones. Me: perfect, by personal ones, you mean the ones with [email protected], right? Interviewer: yes. Me: right, thank you. Also, are we considering e-mail users that use the Gmail platform or anyone who has a @gmail.com type of e-mail? Interviewer: anyone that has a @gmail.com e-mail. Me: Ok, finally, last"See full answer

TurboPM - "Assumptions: Geo: US Channels: Both Mobile/Web Includes Stocks and other kinds of tradable financial instruments Product for end users and not for FB employees to trade stocks or financial Instruments Separate App or integrated within the FB Blue App? Integrated within the Blue App Constraints:None Why might this make sense for FB? Recently with the advent of free retail trading platforms like Robinhood stock trading has been democratized and common people, young and old, hav"See full answer