Product Manager Estimation Interview Questions

Jasmin R. - "Candidate: Before we go ahead I have a few clarifying questions, I’d like to ask. Interviewer: Sure. Candidate: What is the exact definition of a restaurant, are we counting coffee shops, bars, street food trolleys, homemade food shops that only has delivery to customers’ place and etc... kinds of a restaurant as well? Interviewer: let’s assume that we only mean restaurants that people can go inside, order some food and eat. Let’s not consider bars and coffee shops and so"See full answer

Andrew B. - "Assumptions: We're looking only at a single large dealership in San Jose, per the question, not all large car dealerships New cars already come with tires; the dealer does not have to purchase them separately A couple of different ways I might approach this: Approach 1: Estimate based on # cars serviced per day Dealer intakes 10 cars for servicing per hour (based on anecdotal observation) 100 cars serviced per day (assuming service dept. open 10 hours per day) Cars that need onl"See full answer

Glados - "Prompt - annual cost of managing Google photos (note - I believe Google doesn't ask estimation question anymore, not sure who/here/how this was asked) We will go over what Google photos is, its users, how they use photos, what costs are incurred, estimation - base case then scale it out, gut check the answers, and arrive at an estimate Google photos is a photo and video storage service. Its users are Content creators/users Google (hosting) Other service providers that provide value-add"See full answer

Karthik T. - "Clarifying questions : I would like to confirm what type of parking spots we are talking about, should we assume cars ? Assumption : Cars Is it referring to only parking spots in non-residential complexes or public places or does it include residential too ?Assumption : both Assumptions : Places where we could see parking spots Shopping malls Parking in the park Residence spots Legal parking spots Variables in play Population = assuming a family of 4 => population / 4 (nu"See full answer

Saleel P. - "This is my first attempt at an estimation question, any feedback is appreciated. I'd like to clarify if AirBNB's core services would include user reservations on its web/mobile platform on a per night basis. I'd also assume if we would to estimate the topline revenue (or gross merchandise sales) without factoring operational expenses and taxes. I'd also clarify if basing my estimation on revenue from its largest marketplace, US, is reasonable. Population of US - 350 MM Avg Household size - 2.5"See full answer

Ama M. - "Answering only estimation portion for practice (for some reason after submitting the formatting is unorganized) clarification and assumptions can I assume this grocery store location is called Greens can I assume that self-checkout means that customers checks out without assistance? can I assume that cashier checkout means that cashier assists customers with checkout? can I assume that ratio means how man self-checkouts should be place at this grocery store compare"See full answer

Kartikeya N. - "Clarifying questions: What city/ country are we talking about? Indian metro. What all counts as a grocery store? Do have to cover dark stores as well which are not open to public? Only consider all grocery stores where public pick up is allowed. Do we have to include hyper markets/ super markets as well or only smaller stores? Include both. Okay, so I would be considering the Indian metro of Bangalore here. The overall equation is , **total number of grocery stores = Number of small grocer"See full answer

Kartikeya N. - "Clarifying questions: Can I assume the timeframe to be today, ie Dec 2024? : Yes What country are we targeting? Lets say it is India. When we say "Use google search to find a new job" do we mean to say that they use Google search in their job search process or also convert and actually find a job? : The former. I am assuming we are only considering when someone directly searches jobs on Google and not searches for some job search portal on google: Yes. How long should the search"See full answer

Volderdore - "Population of Bangalore - 1.4 cr On an average 4 people live in 1 householde=> 1.4cr/4 => ~35L HouseHolds Out of the 35L Household, 30% household fall below poverty line are not interested in ordering online due to their own personal reasons prefers to visit to the hotel directly and eat instead of ordering online => Thus remaining is ~25L households out of the 25L households, assuming at least 20% of the households place one order on average on any given day will lead to 5L orders"See full answer

Indranil G. - "So we need to only consider Delhi within city limits? Yes And will we consider the big trees and not bushes? Yes Now inside Delhi total size is 1484 sq km means 2000000 sq km In this, there are 2% area which is lake or water so remove that will be (2000000-( 2000000 km*2%) )= 1960000 sq km In this area in Delhi, we have 20 % area where it is a park that means ( 1960000- (1960000*20%)) = 1568000 km area nonpark and 392000 km is a park area Obviously, in the park area, the density will b"See full answer

Navin T. - "Clarification Questions : Do all 10000 persons need Email access, or is 10000 people the colony's size? : Yes, 10000 people will use emails. As I am a PM for Gmail, I assume we are focusing just on email as a form of communication: Yes. Are there any requirements on the size of attachments allowable in the emails? : I will leave it up to you. Understand the user behavior -> Identify key metrics -> Make quantitative estimation -> Understand plans -> Propose network bandwidth. User b"See full answer

Darren L. - "First I will set up the formula, second I will calculate each of the components then adding them up. Finally, I will talk about corner cases if any. 1, To begin with, I want to think broadly what could go into the equation. Bandwidth depends on number of devices at a time, so if a student use both laptop and phone at the same time then we have 2. Beside, grad students need internet for various reasons, such as checking email, searching on Google for information, watching lectures... Different a"See full answer

Raul K. - "No of Cars in 1 year = [ Total Road Length] / [Distance Covered by 1 Self Drive Car in One Year] Clarifying Question - How does Mapping work? I assume the car has a bunch of cameras and the car needs to go via a road each once to do the mapping for Google Street view. Is that correct? Assumption Google Street view required cars to go via road once and then use camera for mapping Assumption for average speed of the car - This can vary if the car is on the highway Assumption of Area of"See full answer

Kartikeya N. - "Clarifying Questions How do we define restaurants? Do only delivery/ pick up outlets qualify? : No. Consider only places where people can sit and eat Do restaurants within hotels count? : No Should I include cafes too? : Yes Can I assume the year to be 2024?: Yes Are we looking at specific areas within Bangalore or entire city ? : Entire city Here's how I will approach this question. I will divide Bangalore into places with High, medium and low population density. This is a relat"See full answer

Kartikeya N. - "Clarifying questions Do we mean the Google Play store or Apple App store or some other app store? : Google Play Store Do we mean to calculate the number of apps as in 2024? : yes Are we looking at any particular data slices like in a particular country/ for a particular geography etc.? : No, I want the overall global number And we mean to calculate total number of apps that are registered on Play Store and can be searched and accessed by a user, am i right? : Yes Okay, here's how"See full answer

Coach - "Great question Evan, could you please help me with some context. Do you want me to consider Gsuite & Gmail on consumer or limit it to one or the other segment? Limit to B2C on GMAIL Promotions/ Notifications do you want me to include them? Exclude Would you want to consider only Gmail ecosystem or Gmail to All types of users? Any email recipient I would like to start with US as a geo and extrapolate would you be good with that? That's ok. That helps, than"See full answer

Kartikeya N. - "Clarifying questions Are we referring to the credit card users of a particular card company or the overall number of users? : Overall number And we are referring to the number of unique users right, as in a person may have more than 1 card? : yes Can I assume the time setting of the question to be 2024? : Yes Thanks. Here's how I would approach this. India's total population = 1.4 Bn I know for a fact that in India only 2.5% of population pays income tax. A salaried employee who doe"See full answer

Kartikeya N. - "Clarifying questions What do we mean by bookings? Is it nights booked or transactions?: Nights booked Are there any constraints like platform or anything else while calculating the nights booked? : No If a user books a night but does not show up, do we still count him? : Yes If a user cancels before turning up, do we not count him? : Yes Expedia operates globally. Its major markets are Europe, USA, Asia, Africa etc. We will take the following high level approach **Total population →"See full answer

Sid S. - "· Scoping the problem: · What kind of aeroplane - wide / narrow body, single/double deck. Assume normal domestic US plane with about 150 seating capacity Will the plane be empty(no passengers or luggage) - assume yes Will we only fill the cockpit, passenger area and cargo hold or do we need to consider wings, engines, etc - assume no We will consider the theoretical limit and ignore any inefficiencies in arranging the balls Breaking the problem down: Considering the interior o"See full answer