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
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97 questions
- 25Why is it important for users to complete their LinkedIn profile? Discuss both user and enterprise perspectives.MediumProduct·
LinkedIn - 26How would you improve LinkedIn Messaging?Medium·
LinkedIn - 27How would you improve Rover?MediumProduct·
LinkedIn - 28How would you improve Spotify?HardProduct·
DoorDash, LinkedIn - 29Find the k-th smallest and k-th largest element in a binary search tree (BST).MediumCodingTechnical·
LinkedIn - 30How would you launch LinkedIn Learning in a new country?MediumProduct·
LinkedIn - 31PermutationsMediumCoding·
Adobe, Apple - 32Should LinkedIn acquire Discord? Why or why not?MediumProduct·
LinkedIn - 33Installs on LinkedIn's iOS app are down, what do you do?Medium·
LinkedIn - 34If LinkedIn messages are down, how would you identify the cause?MediumDataProduct·
LinkedIn - 35What could be the drivers for LinkedIn's performance in different markets?MediumDataTechnical·
LinkedIn - 36Find the longest palindromic subsequence using dynamic programming.MediumCoding·
Adobe, Apple - 37Find the lowest common ancestor (LCA) of two nodes in a binary tree.MediumCoding·
Apple, LinkedIn - 38Implement LRU Cache.HardCoding·
Accenture, Adobe - 39Find the maximum subarray sum.MediumCoding·
Adobe, Apple - 40Measure the success of a mousetrap. How would you tell that our mousetrap is superior to the existing product?MediumData·
LinkedIn - 41How would you measure success for LinkedIn events?MediumData·
LinkedIn - 42Merge k sorted linked lists.HardCoding·
Adobe, Apple - 43Choose one LinkedIn product you want to work on and describe how you would improve it.HardProduct·
LinkedIn - 44Partition an array into two sub-arrays with equal sum.MediumCoding·
Apple, LinkedIn - 45How do you prioritize features for your engineering team?MediumBehavioral·
eBay, LinkedIn - 46Sort an array containing only 0s, 1s, and 2s.MediumCodingTechnical·
LinkedIn - 47Tell me about yourself.MediumBehavioral·
Accenture, ADP - 48As a TPM, how would you handle a project with unchanged deliverables but a cut in the time period by half?MediumDataProduct·
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