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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4,310 questions

  1. 4129What are outliers and how do you detect and handle them?MediumData
  2. 4130What would you do if the timelines of a product are scattered?MediumDataProduct
  3. 4131If short on time with limited background on the sprint before shipping, what would you do?MediumBehavioral
  4. 4132High Volume Low Success.EasyCodingData
  5. 4133Implement a 2D Convolutional FilterMediumAI ML
  6. 4134What are the implications of collecting excessive user data or too many survey responses?MediumTechnical
  7. 4135Our booking platform experiences higher traffic during the day, requiring server upgrades which cause 10 to 30 minutes of downtime. How can you improve this situation?MediumSystem design
  8. 4136How would you increase the frequency of user sessions on YouTube?MediumProduct
  9. 4137Initial Contact AttributionHardCodingData
  10. 4138Instagram LikesMediumCodingData
  11. 4139A PM proposes changing Instagram’s messaging system to allow interactions with third-party businesses. How would you determine whether the change is a good idea?MediumProduct
  12. 4140Items on SaleEasyCodingData
  13. 4141In K-Nearest Neighbors (KNN), does setting k=1 lead to higher variance or higher bias?MediumTechnicalAI ML
  14. 4142What KPIs would you track to evaluate the health of a subscription-based business?MediumData
  15. 4143What’s the difference between the Kubernetes control plane and data plane?MediumSystem design
  16. 4144Find the largest number possible from a given set of numbers.Easy
  17. 4145What's your least favorite product and why?MediumProduct
  18. 4146When rolling two fair dice, what is the likelihood of the sum being less than 12?EasyData
  19. 4147Lowest Earning EmployeesEasyCodingData
  20. 4148Lyft Ride RequestsEasyCodingData
  21. 4149How do you ensure a deployed model remains up to date?MediumAI MLSystem design
  22. 4150Marketing Campaign Duration.EasyCodingData
  23. 4151Marketing Channel AttributionMediumCodingData
  24. 4152How would you approach merging two similar applications, one 10 years old and the other 3 years old? Would you create a new application or enhance one of the existing apps?MediumProduct