Question bank

4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

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521 questions

  1. 97Sort a list of natural numbers and their squares in the most efficient way possible.MediumCoding· Google
  2. 98Pick an airport and estimate the number of people going through the security scan every day.MediumProductSystem design· Google
  3. 99Estimate the number of tires purchased annually by a large car dealership in San Jose, California.MediumProduct· Google
  4. 100Estimate the bandwidth (bits/s) of a 747 crossing the Atlantic filled with CDROMs.MediumProduct· Google
  5. 101Estimate the number of cinema tickets sold in the US in one year.MediumProduct· Google
  6. 102Estimate the number of Gmail users in the US.MediumProduct· Google
  7. 103Estimate Google Ads revenue.MediumProduct· Google
  8. 104Estimate the number of Google Drive users.MediumProduct· Google
  9. 105Estimate the number of high school students in the US.MediumProduct· Google
  10. 106Estimate the number of Instagram posts per day.Medium· Google
  11. 107Estimate the total internet bandwidth required for a campus of 1000 graduate students.MediumProduct· Google
  12. 108Estimate the number of millennial homeowners in the US.MediumProduct· Google
  13. 109Estimate the number of motels in the US.MediumProduct· Google
  14. 110Estimate the total dollar amount of online sales for fruits and vegetables per year in NYC.MediumProduct· Google
  15. 111Estimate the number of people who frequently go out to bars.MediumProduct· Google
  16. 112Estimate the productivity loss during the holiday season at a medium-sized company.MediumProduct· Google
  17. 113How many scooters would be needed for a company with 2000 employees across 4 floors, assuming 500 employees per floor?MediumProduct· Google
  18. 114Estimate the total addressable market for Slack.MediumProduct· Google, Slack
  19. 115Estimate the amount of storage needed for Google Photos.MediumProductSystem design· Google
  20. 116If all people used self-driving cars for transportation, how many vehicles would be needed to service the U.S.?MediumProduct· Google
  21. 117Estimate the weight of a school bus.MediumProduct· Google
  22. 118Estimate the number of videos watched on YouTube per day.MediumProduct· Google, Youtube
  23. 119Estimate the size of the food delivery business using bikes.MediumProduct· Google
  24. 120As a PM for an automotive company interested in exploring the generative AI space, how would you evaluate whether this technology is suitable and beneficial for the business?MediumProduct· Google