Interview Questions

Michael B. - "Problem: Given a modified binary tree, where each node also has a pointer to it's parent, find the first common ancestor of two nodes. Answer: As it happens, the structure that we're looking at is actually a linked list (one pointer up), so the problem is identical to trying to find if two linked lists share a common node. How this works is by stacking the two chains of nodes together so they're the same length. chain1 = node1 chain2= node2 while True: chain1 = chain1.next chain2=chain"See full answer

Samiksha D. - "I assume here that the elderly person does not have much knowledge about technology and the internet. I would like to structure my answer in this way: Concepts of twitter I want the elderly to know. Take an analogy to explain the concepts. Connect the dots between the analogy back to the app. Twitter concepts : A common feed to look at the tweets created by the people in your network. Concept of retweeting. Chatting. Comments/likes. Analogy : Imagine there is an office wi"See full answer

Will P. - "The first step is to clarify what the interviewer means by a sales decline. Questions I would ask here include: Did sales drop suddenly or gradually? What is the magnitude of the sales drop? Are sales down for a specific product? Are sales down for a specific channel (drive-thru, walk-in, etc.)? This series of questions is to make sure we are on the same page when we say 'sales are down.' We may not know the why yet, but the what should be easy to align on. Otherwise, how would"See full answer

Ram - "Clarification: Are we talking about creating an experience or product as part of another product or from 0→1? Encourage - the goal is to increase % of citizen vote. Or want to vote? Vote - are we talking about national elections? Am I a product manager for the government? Any focus on geo, segment, or platform? Context - why do we want to do it? Did we experience a recent decline? Could it be hardware or software only? Digital or physical? Structure: Context "See full answer

Adib M. - "Situation: introduced to a new technology that I have never used before. I have used many different packaged software, tools and technologies and I can grasp things quickly. Lets assume this new technology is a Planning tool for TPM (Planr) Target: To get familiar with Planr, its use cases, learn it well enough to be able to use it Action: Here are some of the actions I would take to learn Planr well (1) Find documentation on Planr = various use cases, see screenshots, watch demos,"See full answer

Irina L. - "I’ve named Netflix, Acloset, Youtube music. Focused of YouTube music, increasing social interaction of existing users."See full answer

Andrew M. - "DMV is the Department for Motor Vehicles, notorious for long wait times and an overall poor customer experience. I'm not familiar with the different functions that the DMV serves, but from my understanding, people go to the DMV when they want to renew their drivers licenses, so I would like to focus on that for now. Current experience: Long wait time to get drivers license photo taken I am really not familiar with any other services the DMV provides, so I will focus on taking photos. Pain"See full answer

Simran M. - "Clarifications: Netflix is a streaming service and homepage serves the first entry point after a user has been logged in to their respective profile. Homepage helps users find a relevant content for them to watch, among other features like "Continue watching" or games. Mission: Netflix's mission is to entertain the world. Goal: As a PM of homepage, the goal of the feature is to let the users find relevant content of their interest. This feature ties to the mission in a way that lets the user"See full answer

Anand K. - "Clarify: First, is there a budget or timeline I should be aware of? This will allow me to understand if we should build an MVP version of X product, or if we have the freedom to make it a bit more layered/complex. No budget/timeline Next, I want to define child care: we can be talking about after-school day care many private and public schools provide. We can also be talking about child care businesses that will look after children during business hours. There are some education"See full answer

Sandeep B. - "This is my first attempt. Requesting feedback - Design a bookshelf for the users. I would like to create a framework to solve this problem and follow it. It will have the below sections - Goals User Persona Use Cases Pain Points Features Prioritization Metrics Few clarifying questions - What is the objective of doing this? (User engagement, matching a product that a competition has just launched) What type of industry we are in? (Are we a furniture design company, ar"See full answer

Anonymous Sparrow - "I would go look in the mirror and ask that person why the legal team is only flagging issues a week ahead of launch date. Did I not engage our legal team way in advance at the conception stage? Did I not follow up or collaborated with my program manager to follow up shortly with the legal team to check their progress of evaluating issues? If I did not do these things, it is on me. Let's assume I did do those things, but the legal team needed a lot of time to evaluate or get external opinion, th"See full answer

Alex S. - "One of the better videos!"See full answer

Tomer B. - "Clarify What do we mean by memorialize? Are we aiming to launch a physical or software product? What is our goal with this product? Are there specific types of pets we have in mind? Assumption Memorialize means to remind ourselves about our loved pets who passed away. We would like to launch a software product. The goal is to help users cope with the lose of their beloved pets. We also focus on house pets, keeping it for dogs and cats as the biggest market for pets. User"See full answer

Rika S. - "Snapchat's mission is to re-create how people use camera to capture their life moments. Snapchat's user base is comprised of Gen Z and Millenials, capturing the ~ 12-35 year old age group. Snapchat's goal is to keep these users engaged so they don't leave for enticing competitors like Tic Toc and Quibi. Tic Toc and Quibi are major competitors to Snapchat and they seem to compete on original content. They've partnered with celebrities and media brands to produce really engaging, high quality co"See full answer

Varun S. - "Question: You'e a PM at Meta. Design a product for users to find a handyman. Clarifying questions: Why does Meta want to build this? A: Up to you to decide that, hoping to here you say why. When: No fixed duration for release. Market: I'd like to focus on a developed market, where technology reach is wider and people are more at ease with using online platforms for tasks. Maybe focus on the US market to start with. Standalone app - We will need to distinguish ourselves and create an identity"See full answer

Exponent - "This may seem tricky at first, but this is actually an Expansion problem, since we're expanding to a new market. The only difference is this is specifically for small businesses within that market. This is the formula you should use when tackling these types of interview questions: Ask clarifying questions Perform user analysis Market risk analysis State goals Perform channel analysis Prioritize growth channels Strategy Summarize Witho"See full answer

Shashi R. - "How do you define Retention? Let’s assume a user comes back tomorrow and scroll for a 10s or so Do we mean to improve the daily retention or weekly/monthly retention? Take a call I think we should look at the weekly retention as checking LinkedIn daily could be a cumbersome task for some and daily retention data may have frequent fluctuations due to several reasons such as professionals are too busy to check LinkedIn on a daily basis Has retention dropped recently, or do we just need to"See full answer