Google 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

Mayank M. - "Clarifying questions- Are we considering only the viewing + upload or all the services like ads, payouts etc? -- only streaming + uploads. Are we considering any specific platform like App, website or everything? --- All. Are we talking about just the tech part or should we consider the ops cost as well? ---consider everything. High level equation- Since we want to calculate the cost of running youtube for a day , we need to consider the following verticals- **Vide"See full answer

Sumeet R. - "Clarifying Questions: Assume US Audience or Worldwide? US Only Assume short form content or long form content ? Assume all Premium or Ads Support ? All Solution: US Population 300M Will remove 70 ages as not relevant audience or not have access to YouTube = 60m Leaving 240M. Adoption of YouTube with remaining Population = 60% (including overlap and exclusion with other services e.g. Netflix) Total Audience that watches YouTube daily = 144m (about half of US Populat"See full answer

Mark - "Questions: Should we consider US or Global? Is there any existing market insights/research around driverless cars adoption? Can we assume that driverless car technology is production / public ready by 2025? Is this focus on commercial or consumer use? Assumption: Let's look at US to start for our estimation since Driverless car regulation and adoption trend will probably differ per country Let's also assume we want to estimate market size for driverless cars in 2025 for consume"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

Helen Z. - "Two clarification questions first! When we say quarters, are we assuming the quarters are stacked on top of each other, or are we measuring across the diameter? let's say they are stacked. And second question, is the height of the building just from the ground floor to the top of the building? yes. Okay, the key numbers we need to find then are the height of the building in feet, and the # of quarters that fit into a foot. First for the height of the building, the key numbers are heigh"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

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

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

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

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

Kwabena B. - "Assumptions This estimation will not take into consideration service fees, delivery fees, or tips we are specifically interested in consumer purchases of fruits and vegetables from local grocers (i.e. instacart, peapod, wholefoods/primenow, etc.) Fresh and frozen produce are in scope Equation NYC annual online produce purchases = (Num NYC households) x (% pop. that purchase produce online) x ($ spent on online produce purchases) (NYC HH) = 300M Americans --> 100M HH"See full answer

Nitika B. - "Equation: Cost = Amount of storage required per year * Cost per year * 3 Amount of storage required per year = DAU * Storage requirement/user * 365 Assumptions: Cost per year = $99 = $100 Smart phone growth rate = 2% (But negligible at Pixel level) Annual Smart phone users = 2.8B Android users = 76% Google Pixel users = 1% Total Users = 2.8B * 0.01 = 280M *0.01 = 2.8M Method 1: Cost = Active Users + Cost/year * Number of years Cost = 3* 2.8M * $100 = 8.4M*100 = $840M Cost = $8.4B Method 2: C"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

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

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

So X. - "Why is the value of an Android user only considering incremental clicks on ads instead of all clicks on ads?"See full answer

John S. - "I have no idea if this would qualify, but I took a different, rather singular approach. Curious and gracious in advance for any and all feedback. My main question is whether this response goes into enough depth with regards to all the content types that Google Map stores, as I chose to focus uniquely on image storage (but am sure to state that clearly before I began): Clarifying questions: global map or US/sectional map? Assume global storage on a single end-user device? Yes consider co"See full answer

Saurao D. - "How many shampoo bottles are sold in the US annually? Assumption: Shampoo for both male and female consumers Population of US (330Mn) Considering 50:50 Urban Rural breakdown Urban: 165Mn Rural: 165Mn Considering only 10% of Rural consumers will be using shampoo, which gives 16.5Mn people Urban: 165Mn Considering 50:50 Male Female breakdown Male: 82.5Mn Male consumers using shampoo: 60% = 49.5Mn Male consumers not using shampoo: 40% = 33Mn Female: 82.5Mn Female consumers using shampoo: 80%"See full answer