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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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2,498 questions

  1. 2257List the Differences Between Two StringsMediumCoding
  2. 2258Find the longest repeating substring.Medium
  3. 2259How would you measure the success of insights provided for an enterprise messaging app targeted toward admins?MediumData
  4. 2260Explain the memory changes that occur when executing: Object o = new Object().MediumTechnical
  5. 2261Users are creating more Instagram Stories, but engagement is down. What metrics would you track to improve this?MediumProduct
  6. 2262Find the minimum cost to reach the last cell of the matrix from the first cell.Medium
  7. 2263Design a Hotel Booking ServiceMediumSystem design
  8. 2264Is the Mean Squared Error (MSE) a suitable cost function for a logistic regression model?MediumTechnicalAI ML
  9. 2265You have three ideas for expansion but limited resources. How would you help prioritize them?MediumData
  10. 2266Find all N-digit binary strings without consecutive 1's.Medium
  11. 2267You’re launching a new feature—how would you measure its strategic impact on growth?MediumData
  12. 2268What's the difference between normalization and standardization?MediumData
  13. 2269You're a PM at Uber. There's a growing issue of drivers encouraging riders to pay cash instead of using the Uber mobile app. How would you address this issue?MediumProduct
  14. 2270PMM Discussion BoardMediumBehavioral
  15. 2271Apply Porter's Five Forces model to a product you worked on.MediumProduct
  16. 2272Difference between power and confidence level.MediumData
  17. 2273In a large application, which code branches are more important to be tested and how do you decide?MediumSystem design
  18. 2274You're the PM of a non-profit food bank. You've just received a large charitable donation. How do you prioritize where to use the money?MediumBehavioralProduct
  19. 2275Walk us through a product launch campaign you managed. How did you approach everything from pricing to advertising and sales performance?MediumProduct
  20. 2276Tell me about a project where you faced data issues and how you handled them.MediumBehavioral
  21. 2277What is the time complexity for Quick Sort and Merge Sort algorithms?MediumCoding
  22. 2278How do concepts like R-squared, multicollinearity, and statistical tests (T-test vs. F-test) help evaluate linear regression models and interpret their results effectively?MediumData
  23. 2279Describe how random forests work and explain what an ensemble method is.MediumTechnicalAI ML
  24. 2280Redesign the city park experience.MediumProduct