Interview Questions

Poha - "Design the cache, set policy like LRU or other custom policies."See full answer

Christopher K. - "Amazon is releasing a product recommendation carousel. Q1. How would we approach this launch with executive leadership? Q2. How would you obtain the data to find out if you should launch and what sample size should your testing batch be for an A/B test scenario? Clarifying Questions What is the current goal for the product recommendation - Increase sales How does the current product recommendation view look like on the home page - A mosaic list view Are there any existing custome"See full answer

Michael B. - "Use an index, two pointers, and a set to keep track of elements that you've seen. pseudo code follows: for i, elem in enumerate(array): if elem in set return False if i > N: set.remove(array[i-N])"See full answer

Anonymous Condor - "Yes, I need to compare the first half of the first string with the reverse order of the second half of the second string. Repeat this process to the first half of the second string and the second half of the first string."See full answer

Anonymous Salamander - "Microservices are small parts of a application we can deploy them seprately and use them as a application feature."See full answer

Parag - "Clarify Retention for which side of the platform - advertisers, groceries/shops, shoppers, users? - Assume Is there any specific event or trend driving retention down or we’re looking in general to overall improve from current state? - Assume Is this tied to any particular geography or region? - Assume Is this tied to any specific persona within our 4 sided platform? - Assume Are we changing the definition of retention (time, frequency, others)? - Assume no Goal - Improve the use"See full answer

Kartikeya N. - "Clarifying questions By mutual follows, we mean that both of them follow each other on Tiktok, correct? : Yes We want to know an average number for the same, ie mean and not median or any other value, right? : Yes Shall we consider the global audience or that of a particular country? : Global Can we assume the time setting of this question as of 2025?: yes Here’s how I will tackle this question. > We will first estimate the total number of Tiktok users. Then we will try to"See full answer

Anil K. - "Acquisition New sign-ups for Google Drive Service Google Drive app installs Activation Number of users with at least one file since sign-up Paid Google Drive Users Engagement DAU, MAU Sessions, Frequency Time spend Files accessed per session Task completion - sharing file, setting up automatic back up etc. Retention % Repeat Users % Users Churning out Google App Uninstalls Referral Inviting"See full answer

Niaz - "Clarification questions: Does this include Street view photos, which includes (roads & highways, underwater & insider building and walking street view photos) ? No, for this question we will only look at photos taken via satellites. Google earth photographs the entire earth including land and oceans ? Yes Components of the equation (Square mile covering land x Number of photos per sq mile x Size of each photo x cost) + (Square mile covering ocean x Number of photos per"See full answer

Tiago R. - "function generateParentheses(n) { if (n < 1) { return []; } if (n === 1) { return ["()"]; } const combinations = new Set(); let previousCombinations = generateParentheses(n-1); for (let prev of previousCombinations) { for (let i=0; i < prev.length; i++) { combinations.add(prev.slice(0, i+1) + "()" + prev.slice(i+1)); } } return [...combinations]; } `"See full answer

Rahul D. - "What will be the technical Interview looks like for Program Manager at Microsoft? What types of questions they generally ask."See full answer