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.

Easy 190Medium 2,498Hard 982
Filters · onDifficulty, topic, company
Clear all

397 questions

  1. 25Write a function that takes an array of integers and checks for duplicate values in any contiguous window of size N.MediumCoding· Meta
  2. 26Given a collection of rooms where Alibada is in one and moves one room a day to an adjacent room, write a program to determine if you can find Alibada with the given list of rooms.MediumCoding· Meta
  3. 27Given an array of integers and an integer k, find the kth largest element in the array.MediumCoding· Meta, Microsoft
  4. 28Describe how you would communicate a significant strategic change from management to your team.MediumBehavioral· Meta
  5. 29How do you communicate technical project needs to non-technical teams?MediumBehavioralProduct· Meta, Salesforce
  6. 30Tell me about a time when you dealt with a conflict with engineers.MediumAI MLBehavioral· Google, Meta
  7. 31Tell me about a time you convinced someone to change their mind.MediumBehavioral· Asana, Gladly
  8. 32If you had to create a dashboard for Netflix with only 3 metrics, what would they be?MediumDataProduct· Meta
  9. 33What is the customer and business value of Capital One shopping?MediumProduct· Meta
  10. 34How do you decide to launch additional reactions for Instagram?MediumBehavioralProduct· Meta
  11. 35Facebook logins are decreasing. What would you do?MediumDataProduct· Meta
  12. 36As the PM of an events product, how would you define success and set goals?MediumDataProduct· Meta
  13. 37As a PM at Meta launching a new video conference product, define the success metrics.MediumDataProduct· Meta
  14. 38Define success metrics for Zoom for Business.MediumData· Meta
  15. 39Design a next word prediction system.MediumSystem design· Meta
  16. 40Design an automated comment moderation system.MediumSystem design· Meta
  17. 41Design the backend of a feature that allows users to download their data from their Facebook account.MediumSystem design· Meta
  18. 42Design a better doctor search and visit experience.MediumProduct· Meta
  19. 43Design a better email experience. How would you prioritize multiple ideas?MediumProduct· Meta
  20. 44Design a birthday app for Facebook.MediumSystem design· Meta
  21. 45Design a lending library for communities.MediumTechnicalProduct· Meta
  22. 46Design a DNS cache.MediumSystem design· Meta
  23. 47Design an evaluation framework for ads ranking.MediumAI MLProduct· Meta
  24. 48Design Facebook email.MediumProductSystem design· Meta