Estimation Interview Questions

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

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

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

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

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

Ananya M. - "I am assuming current situation where public transport have restarted but uber pool is yet to start. Assuming it's Bay Area = I am considering internet penetration to be 100% . pop = 8 million (2M per age group) age group that would use uber (20-80 , under 18s can't ride) x age group that can afford uber ( low:mid:high income = 20:50:30 meaning 80% of each qualifying age group can afford uber) x people per household in need of transportation (3 people per household, 2 cars on average per househ"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

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

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

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

Pm P. - "Clarification: With kids or without kids? Assuming without With the fuel filled ? Empty Formulae: Outer frame of the school + seats + cushion + inside rods + windows + Engine + motor + other automotive parts + tires Outer frame: Closest proxy : a compact car * 4 = length of the bus Assuming reinforced steel for a car = 2 doors * 200 = 400 pounds One side of the bus = 400* *x 4 x 2 = 3200 pounds two sides = 3200 x 2 = 6400 pounds front and back width = Estimation: 4 people sit in a"See full answer

R K. - "Clarifying questions: Can we pick any business product across CapOne spectrum? any preference? - Assume pick any Are there any specific geographies you'd like to focus on? Are there any specific customer segments you'd like to focus on? Are you able to provide any information on the market/competitive analysis? Or I can just make reasonable assumptions along the way. Confirming we care about revenue? not profit per customer? Lay out the framework: I'd like to focus on the followi"See full answer

Qusai B. - "Assumption: I’m estimating the minimum number of trains required to fulfil maximum demand I’m including all trains that’s serving NYC Formula: Before I state my formula, I would like to mention a few things I will be calculating the number of trains required to fulfill all demand at the peak time during a workday. I assume peak time lasts for 2 hours I’m assuming that a train takes 2 hours to complete one roundtrip on its route, which means any given train can service rider"See full answer

Valentin B. - "Let me first ask some clarification questions / make assumptions: Any specific geographic region? => USA How do we measure bandwith? a. Bandwith is the maximum internet speed required for our google maps servers to support all google maps traffic in the USA. At which point do we measure bandwith? => at the “entrance” of each google server center Do we talk about maximum bandwith required? a. Yes, the maximum BB required to support google maps in the USA (on side of Google) Outline: O"See full answer

Anonymous Puma - "Assuming for the US Segment by size of businessNumber of employees per business sizePrice per employee=Revenue Price per employee should decrease with a larger employee base. 30M businesses in the US Small Business 60% of businesses are small=18M Average number of employees=50 Price per employee=$5 Small Business Revenue=$2.7B Medium Business 30% of them are medium=9M Average number of employees=1000 Price per employee=$3 Medium Business Revenue=$8.1B Large Business 10% of th"See full answer

Talles S. - "Me: First, let's design our product and then we will calculate the estimated amount of units sold. Before we begin, is there anything specific about this refrigerator, is this a 'smart refrigerator'? Interviewer: Yes, you can consider this is a smart refrigerator but the overall design is up to you. Me: Thank you, one more question, do we have a specific user in mind? Younger people? Retirees? Interviewer: No, you can select the user base based on your prioritization, but theoretically it cou"See full answer