Interview Questions

Rev - "Clarify: Product: physical/ digital? - digital chefs as a profession? what kind of restaurant setting do they work in? speed up cooking why/ objective? - serve customers quickly? reduce their fatigue? help them spend time on other important activities? what is cooking process - getting order - knowing recipe - executing - placing in dish - should I consider serving or that will be including in the waitor's job? By how much do we want to speed up? who are we? any constraints?"See full answer

Srini K. - "performance issues and sudden spikes on input requests by scaling techniques and optimization."See full answer

Praveen - "I will start with discussing the Google mission statement, which is to organize the world's information and make it easily accessible to everyone to help them get things done, and make their day a bit easier. I will think about building something that will leapfrog this mission. Google has already organized all of the world's public digital information in the current state. There are opportunities to get more information into a digital form. But there are also significant improvements in mak"See full answer

Sumeet R. - "Google mission is to organize worlds information and make it universally accessible and useful. Keeping that in mind will focus on what should be the solve for emerging market. Clarification: Any specific country Google is thinking about ? Answer: lets say Ghana it has come often as one of the fast emerging markets and untapped Clarification: Goal is monetization or growth Answer: We are entering the market so growth Based on the clarification above I will think about user segments, p"See full answer

Kai W. - "A high level framework Clarifications: Reactions already exist in Instagram? Any specific region or user group we try to target for the launch? ... Product description: IG is ... Reactions are Emoji alike icons users can use to reply to posts/photos/comments FB's mission: Help people stay connected and build communities IG's mission/goal: Allow users to capture world's moments and share with friends Reactions Goal: To provide users an easier way to react to the content and to bet"See full answer

Scott S. - " The Situation A few months ago, our trading platform started experiencing significant latency issues during peak trading hours. This latency was affecting our ability to process real-time market data and execute trades efficiently, potentially leading to substantial financial losses and missed opportunities. Identifying the Problem The first step was to identify the root cause of the latency. I organized a team meeting with our data engineers, DevOps, and network specialists to gather"See full answer

Dinar M. - "I used array to append. np.array does not have append and every np.vstack recreates object again. import numpy as np class Centroid: def init(self, location, vectors): self.location = location # (D,) self.vectors = vectors # (N_i, D) class KMeans: def init(self, n_features, k): self.nfeatures = nfeatures self.centroids = [ Centroid( location=np.random.randn(n_features), vectors=[] # I"See full answer

Anonymous Aardvark - "in simple words, linear regression helps in predicting the value whereas logistics regression helps in predicting the binary classification. But lets talk through some example Linear regression model: E-commerce website pricing recommendation engine is built on linear regression model where we do have some variables such as competitor price, internal economics and consumer demand etc when we put this in a supervised learning model, it helps in predicting prices Logistics regression model"See full answer

Bharat D. - "Went through scenarios where a user Interviewer asked me to select a scenario, mostly outside of the control of the app. The interviewer saw me rattled and suggested the need to get to a venue as an experience. I designed a solution and suggested an MVP. The goal was to select a scenario, design MVP and suggest user journey/cohort selection and demonstrate measurement."See full answer

Maedu E. - "Imagine a blockchain as a magical, unchangeable diary that keeps track of all the candies you share with your friends. Whenever you share a candy, you write it down in this special diary, and your friends also write it down in their diaries. But here's the cool part – all the diaries are connected and can talk to each other! So, when you want to know who has borrowed your candy or if you borrowed candy from someone else, you just check this special diary. It shows you the history of all the can"See full answer

Adaneir W. - "Time taken: 25 minutes My approach: I would start by listing the use cases, what could be the length of cable needed, quantifying each and weight average those. The % make the assumption that it is what it represents the share in the total nb of iphone recharges. In fact total should be more than 100% because it not exclusive but for sake of simplicity let’s say it tops at 100%. \# In details: charging next to bed: 50%generally speaking there is a bedside table that is 80 cm high and the"See full answer

Srinivasa R. - "Any more details about this can make it easy"See full answer

Sandeep K. - "Clarifying Questions Improve Netflix; Geography? India Vision - Becoming the best global entertainment distribution service Objective: Growth Engagement Retention I would focus on Growth because Highly growing adoption of internet increasing purchasing power in T2&T3 Indian consumers are constantly in need of finding new content to watch aligned with Netflix strategy of producing content for indian masses I believe Netflix has a really good immersive viewing/wathcing"See full answer

Praveen - "First, I would like to discuss and align what is meaningful social interaction. Given facebook's mission to empower users to build communities and get people closer, it is important that users have "meaningful social interaction" The goal of defining this metric is to use this as a north star or success metric around any efforts to increase engagement. It can also help with ads targeting/monetization by showing ads only during deeper interactions and hence might get better yield. Given faceb"See full answer

Scott S. - "Great question! Before communicating any major change, I would ensure I have a deep understanding of the strategic shift, its rationale, and its implications. This involves meeting with senior management to gather all necessary details and preparing to address any questions or concerns from the team. To share a recent experience I had, so Last year, our senior management decided to shift our focus towards leveraging machine learning and advanced real-time analytics to enhance our trading stra"See full answer

Mitchell K. - "How important are referrals? Do you need multiple vs. just one? Does it matter who refers you?"See full answer

Ekta M. - "Define the feature A virtual card number is a temporary or disposable card number generated by your credit card issuer or financial institution. It is designed to protect your actual credit card information during online transactions. Its main purpose is the security of your actual credit card. Clarification questions No questions What is the purpose of the feature? Enhanced Security: Using a virtual card number protects your actual credit card details from being exposed to potentia"See full answer