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 3Medium 44Hard 11
Filters · onDifficulty, topic, company

44 questions

  1. 25Design TikTok for the elderly.MediumProduct· TikTok
  2. 26Design a washing machine for Gen Z.MediumProduct· TikTok
  3. 27Determine if a given binary tree is a binary search tree (BST).MediumCoding· Adobe, Google
  4. 28What would you do if you disagreed with your manager?MediumBehavioral· Microsoft, TikTok
  5. 29What's your favorite product and why?MediumProduct· Accenture, Amazon
  6. 30Choose your favorite product and explain how you would improve it.MediumProduct· Affirm, Coinbase
  7. 31Find Largest NumbersMediumCoding· Accenture, Goldman Sachs
  8. 32How do you generate insights?MediumData· TikTok
  9. 33How would you improve the customer satisfaction rating (CSAT) for Costco, a membership-only retail store?MediumProduct· TikTok
  10. 34You're a PM for TikTok and have noticed a drop in daily active users (DAU). How would you investigate?MediumDataProduct· TikTok
  11. 35Describe an experience that you consider most valuable.MediumBehavioral· TikTok
  12. 36Given an nxn grid of 1s and 0s, return the number of islands in the input.MediumCoding· Adobe, Amazon
  13. 37What's your biggest challenge as a PM, and how did you overcome it?MediumBehavioral· Better.com, Concentrix
  14. 38How can we prevent users under 18 years old from lying about their age during signup?MediumProduct· TikTok
  15. 39Write a function to return all prime numbers up to a given number n.MediumCoding· Adobe, Apple
  16. 40Tell me about a time when a project did not go as expected.MediumBehavioral· Google, Microsoft
  17. 41Why do you want to switch jobs now?MediumBehavioral· Apple, Citi
  18. 42What are your strengths and weaknesses?MediumBehavioral· Google, Gusto
  19. 43What is your leadership style?MediumBehavioral· Amazon, Databricks
  20. 44Why do you want to work at TikTok?MediumBehavioral· TikTok