Interview Questions

Anonymous Muskox - "Clarification Questions 1) Through offline sales or online sales of the tickets or both? 2) Cinema for movies or theatre play etc? 3) Number or are we calculating the revenue associated with that Overall Formula = (Avg Number of Theatres in US)(Avg Number of Screens per Theatre)(Number of movies play per Screen per day)(Number of Days in a year)(Number of people watched per Screen)(Average Occupancy) "See full answer

Pradeep S. - "Communication to stakeholders and replan with the early delay identified and also ensure the root cause is done as to why delay has happened."See full answer

Arun G. - "An Object Oriented programming deals with data and members. An Object Oriented Programming consumes more memory. An OOPS Consist of bottom-up approach. An OOPS is more secure Than POP. POP. An POP deals with Functions. An POP is less secure compare to OOPS. An POP contains less memory. An POP doesnt contain acess Modifiers."See full answer

Tiago R. - "class TrieNode { constructor() { this.children = {}; this.isEndOfWord = false; } } class Trie { constructor() { this.root = new TrieNode(); } insert(word) { let node = this.root; for (const char of word) { if (!node.children[char]) { node.children[char] = new TrieNode(); } node = node.children[char]; } node.isEndOfWord = true; } search(word) { l"See full answer

Sunny G. - "https://en.wikipedia.org/wiki/Operational_transformation"See full answer

Ian R. - "You might build a product like this a few ways. I think you'd definitely want a temperature sensor device (maybe like a TMP422, or maybe there's a different one that is standard for wearables) that was worn by the individual. As far as tracking social distance, my answer here is more dependent on the state of the art of robust (wearable) distance measurement. Maybe there's something available better than ultrasonic sensors, maybe there's some kind of electromagnetism based solution that isn't in"See full answer

Harsh S. - "Some clarifying questions. Does this include storage required for backup? Assume - Yes and only one replica. Will email be compressed? Assume - Yes Assuming world wide user base. Let's formulate the equation required to estimate this answer. total storage required = (Total users x storage growth/per user + new users x storage required/user - all users x delete storage)*compression ratio + storage required for one replica. Total Gmail users = ~1B Based on my own ema"See full answer

Nitesh N. - "I would ask/investigate the following: Is this our core competancy of our company How long would it take to develop it in house and how much would it cost what will be the time to market of this feature or service when developed in house what is long term vision of this solution - do we expect that this will grow into becoming a major revenue stream for the company in future and the future of the company will be tied to it? What is our track record as a company building such a sol"See full answer

Rahul J. - "This depends on the following two variables: What's the percentage of people dropping off at each step What's the perceived impact to business and users of the failure of each step. In general, I'd start from the very end, and then go back in the process as it's more important that we satisfy customers who have paid i.e. they should get a booking confirmation vs customers that are entering details and then payment info."See full answer

Sonia M. - "virtual function is a member function declared with virtual keyword in a base class. It enables derived classes to redefine this function with their own specific implementations."See full answer

Rishabh S. - "Clarifying Qs: Business Impact: Goal is to add a 7th reaction - Engagement / Monetization / Any other? User Need: Are we aware of the exact new reaction? Symbol? Meaning? User reaction? Product Fit: Is there any link between the new reaction and FB's vision and goal? To determine the necessity of a new reaction, we can: Understand user sentiments about the existing reaction - Are they able to fulfil the emotional spectrum required by the users? We can aim to understand"See full answer

Shin K. - "First of all, there are different industries with different business in security measures which influence trends in the security industry as information they store and infrastructure they have are not the same. In this exercise, I'll take a look at the security industry in general and talk about the biggest trends from the perspectives of "lines of defense" for software in particular in: identify, data (on client and server side) and infrastructure. There are several topics associated with each"See full answer

Nils G. - "Bitshift the number to the right and keep track of the 1's you encounter. If you bitshift it completely and only encounter one 1, it is a power of two."See full answer

Alina G. - "SELECT upsellcampaignid, COUNT(DISTINCT trans.userid) AS eligibleusers FROM campaign JOIN "transaction" AS trans ON transactiondate BETWEEN datestart AND date_end JOIN user ON trans.userid = user.userid WHERE iseligibleforupsellcampaign = 1 GROUP BY upsellcampaignid `"See full answer

Ahmed A. - "Good Question, but I would've marked this as medium not hard difficulty, since it's just a straightforward traversal."See full answer

William W. - "Clarifying questions Why is this company interested in building a vending machine for disabled people? We're a vending machine company who has recently learned that disabled people have a lot of trouble using our machines. We want to change that. What is the main metric this company is trying to drive? Machine usage Is there a specific kind of disability we are interested in targeting? Blind, amputees etc. Blind/vision impaired people Is there a specific type"See full answer