Interview Questions

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Given employee, department, and salary data stored in a dictionary, find the second maximum salary for each department.
MetaAsked 3 months ago
Given users, books, and checkout data, find the number of users who checked out books in the geography category grouped by age.
MetaAsked 3 months ago
Given a library-style schema with books, users, and check-in/check-out data, write a query to find for each user the number of books they checked out and did not return before the due date, and return the username and count.
MetaAsked 3 months ago
Write a SQL query to identify the least efficient driver in terms of deliveries per time spent driving in the last two months using the given dataset.
InstacartAsked 4 years ago
How would you redesign Crunchyroll's landing page to improve free trial sign-ups?
DisneyAsked 3 years ago
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Check if two given binary trees are identical.
1 answer
As the new CEO of Blue Origin, what actions would you take to make the company break even?
MetaAsked 4 years ago
How does malware achieve persistence on Windows machines?
Google + 1 moreAsked 8 months ago
How many scooters would be needed for a company with 2000 employees across 4 floors, assuming 500 employees per floor?
GoogleAsked 5 years ago2 answers
You have a ML product that can summarize any text length. How could Google leverage this?
GoogleAsked 5 years ago1 answer
How many pairs of shoes do we own in our lifetime?
AmazonAsked 4 years ago1 answer
Calculate the height of a binary tree.
Apple + 2 moreAsked 2 years ago3 answers
A newly launched mobile app has a 25% drop-off during sign-up. How would you investigate the issue?
How are you currently motivating the people you work with?
RakutenAsked 5 years ago
As a PM at Uber in 2015, how would you decide whether to implement cash payments?
Design a Whispersync protocol for Kindle devices.
AmazonAsked 5 years ago
What would you suggest to make the iPhone the safest cellphone in the market?
MetaAsked 4 years ago
Tell me about a time when you welcomed new ways of thinking (Include and Empower core value).
ZillowAsked a year ago
How many people are on Facebook at any given time?
AmazonAsked 4 years ago1 answer
How would you efficiently sum up a massive number of integers?
1 answer

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