How many DAUs for Google Translate?
Submit your answers in the comments and receive feedback.
case interview math
Case Interview Math Question 16: Wasted Storage Space from Duplicate Photos /
Whatsapp Groups is likely to have duplicated photos.
Calculate the wasted storage space from those duplicated photos.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 15: Calculate compute for Google Home. /
Google Home is Google's brand of smart speakers that competes with Amazon's Echo.
What's the power necessary to handle Google Home's compute requirements?
Submit your answers in the comments and receive feedback.
Case Interview Math Question 14: Email Sent Every Day /
Estimate the number of daily emails sent in the US.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 13: Estimate the market size for your newly proposed Chromecast feature. /
Estimate the market size for your newly proposed Chromecast feature.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 12: Estimate storage for Google Maps. /
Estimate storage for Google Maps.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 11: How many miles of road is there in the US? /
How many miles of road is there in the US?
Submit your answers in the comments and receive feedback.
Case Interview Math Question 10: Estimate the bandwidth needed if you built an optical fiber connection to Mars /
Estimate the bandwidth needed if you built an optical fiber connection to Mars.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 9: Estimate the number of golf balls that can fit in a 747 airplane. /
Estimate the number of golf balls that can fit in a 747 airplane.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 8: Estimate the number of airports in the USA. /
Estimate the number of airports in the USA.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 5: How to estimate average savings per user in America. /
Estimate average savings per user in America.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 7: How would you go about estimating the number of gas stations in the USA? /
How would you go about estimating the number of gas stations in the USA?
Submit your answers in the comments and receive feedback.
Case Interview Math Question 6: How would you estimate the number of trucks needed to start a grocery delivery service in a large city? /
How would you estimate the number of trucks needed to start a grocery delivery service in a large city?
Submit your answers in the comments and receive feedback.
Case Interview Math Question 4: How many subway cars are in NYC? /
How many subway cars are in NYC?
Submit your answers in the comments and receive feedback.
Case Interview Math Question 3: Estimate the total square footage of paved area in Washington state. /
Estimate the total square footage of paved area in Washington state. Highways, roads, sidewalks and gravel roads are considered paved areas. Buildings are not considered paved area.
Submit your answers in the comments and receive feedback.
Case Interview Math Question 2: What are the main components of cost for Google photos? /
What are the main components of cost for Google photos? Why does Google incur a cost when users transfer and view photos?
Submit your answers in the comments and receive feedback.
Case Interview Math Question 1: How Many Companies in the World? /
Number of companies in the world?
Submit your answers in the comments and receive feedback.
Practice for Case Interview Math /
On our Slack interview community, Jennifer asked:
Does anyone have a suggestion on how to practice estimation interviews without a 2nd person helping you out?
Announcing Case Interview Math Practice
The answer is yes! We've recently launched our case interview math practice software just a couple of weeks ago. You'll find over 50 practice questions including:
Estimations + guessestimates
Profitability
Breakeven
Price elasticity
Lifetime value
Stating assumptions
There are a few more reasons why you should check it out:
This is perfect for those who are preparing for quant. heavy interviews such as McKinsey, BCG, and Bain.
The practice problems are the same ones featured from my #1 Amazon.com best selling book on case interview math problems.
It's free.