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 38Hard 9
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38 questions
- 1Merge IntervalsMediumCoding·
Blinkit, Docquity Holdings(PBS) - 2Group anagramsMediumCoding·
Blinkit, MakeMyTrip - 3Tell me about a time when you made a decision without sufficient customer data.MediumBehavioral·
Amazon, Walmart Labs - 4Design the best slippers.MediumSystem design·
Walmart Labs - 5Explain the differences between an interface and an abstract class.MediumCodingTechnical·
Goldman Sachs, Microsoft - 6Find a triplet in an array with a given sum.MediumCoding·
Adobe, Goldman Sachs - 7Generate ParenthesesMediumCoding·
Adobe, Google - 8Given n houses in a line with money in each, find the maximum amount a robber can steal, without stealing from two adjacent houses.MediumCoding·
Adobe, Apple - 9How would you improve walmart.com?MediumProduct·
Walmart Labs - 10Implement merge-sortMediumCoding·
Walmart Labs - 11How would you improve retention on LinkedIn?MediumDataProduct·
Walmart Labs - 12What are the key KPIs for an adtech platform and why?MediumData·
Walmart Labs - 13Find the longest substring without repeating characters.MediumCoding·
Apple, Intuit - 14Find the maximum subarray sum.MediumCoding·
Adobe, Apple - 15Tell me about a mistake you made and what you learned from it.MediumBehavioral·
Discord, Meta - 16What are the most important engineering manager skills?MediumBehavioral·
Discord, Stripe - 17You are opening a new Walmart store. How many cash registers do you need?MediumProduct·
Walmart Labs - 18Partition an array into two sub-arrays with equal sum.MediumCoding·
Apple, LinkedIn - 19You're a PM for Walmart building a new fulfillment center. What products would you stock?MediumProduct·
Walmart Labs - 20Print the left view of a binary tree.Medium·
Amazon, Meta - 21Describe a time when your project failed.MediumBehavioral·
Amazon, Discord - 22Given stock prices for the next n days, how can you maximize your profit by buying or selling one share per day?MediumCoding·
Adobe, Apple - 23Design a Distributed LRU CacheMediumSystem design·
Stripe, Walmart Labs - 24Design Twitter.MediumSystem design·
Freshworks, Meta