Interview Questions

Sumit P. - "CQs: Swiggy? → instamart or food delivery → consider both Why do we want to increase AOV right now? Is it not at the desired level or exploration? → let’s say exploration Swiggy is a public company → goal is profit Biggest bite in profit is delivery cost hence delivery cost/unit revenue should be minimised Delivery cost = (fixed base cost + distance * x) * probability of spoil cases Can be done by Lowering delivery cost → seems challenging "See full answer

Natalie C. - "I walked through the code for a react.js based tic-tac-toe game written in typescript. The goal was to find ways to improve the code/ suggest improvements. I missed some areas like where state was being updated directly rather than using React's setState. There were issues around clear and maintainable logic, adherence to React best practices."See full answer

Lucas G. - "I would conduct a sample z-test because we have enough samples and the population variance is known. H1: average monthly spending per user is $50 H0: average monthly spending per user is greater $50 One-sample z-test x_bar = $85 mu = $50 s = $20 n = 100 x_bar - mu / (s / sqrt(n) = 17.5 17.5 is the z-score that we will need to associate with its corresponding p-value. However, the z-score is very high, so the p-value will be very close to zero, which is much less than the standa"See full answer

Exponent - "Before we begin, it's important to understand what the interviewer is testing with this type of question. This is a Strategy Question that tests an interviewee's ability to create compelling arguments from high level information, discern motive, and think strategically. We can split this question into two parts: Why is Amazon buying retailers and why is Amazon keeping them independent? Why is Amazon buying retailers? > To start, let's go over some recent examples of Amazon buying retail c"See full answer

Jx J. - "Sir Assalamu Alaikum. How are you? I am from this company. Our water is the best. Your store is running out of water. Our drinking is the most profitable. Ours is superior to all other waters."See full answer

Anonymous Porcupine - "Coded the solution using this approach that is frequency table and counting. it is Leetcode 791"See full answer