Interview Questions

Anonymous Moth - "As a Business Analyst, I would employ a cross-functional approach for implementing virtual debit and credit cards by collaborating closely with various departments. Initially, I would work with the market research team to understand customer needs and industry trends. With the IT and security teams, I would focus on designing a robust, user-friendly, and secure virtual card system. Collaboration with the legal department would ensure compliance with financial regulations. Partnering with the mar"See full answer

Nikita C. - "WhatsApp is a free messaging platform, that introduces new and amazing features frequently to leverage its user data and vast user base. I assume the goal is to get revenue from the services without affecting user satisfaction. For that, I am listing a few ideas using which we can monetize WhatsApp. Whatsaap has recently introduced channels, for verified channels WhatsApp can start a subscription model. WhatsApp can introduce in-app ads in the stories section showing relevant ads. What"See full answer

Scott S. - " To clarify on what we are trying to solve for and get the definition of a distributed scheduler straight . So A Distributed Scheduler refers to a system that can handle job scheduling and execution in a scalable and fault-tolerant manner by distributing the workload across multiple servers or nodes. we will make some assumptions with the design , as follows: we will assume 10,000 QPS for job submissions and should be able query for jobs status . Job execution should have minimal latency"See full answer

Shiva K. - "Increasing a development team's productivity by 25% requires a multifaceted approach that addresses various aspects of team dynamics, processes, and individual performance. Here's a structured approach to tackle this challenge: Assess Current Productivity Levels: Before implementing any changes, it's crucial to understand the current productivity levels of the team. This can be measured through metrics such as velocity (for Agile teams), time-to-market, defect rates, etc. **Identify Bo"See full answer

Kartikeya N. - "Clarifying Questions How do we define restaurants? Do only delivery/ pick up outlets qualify? : No. Consider only places where people can sit and eat Do restaurants within hotels count? : No Should I include cafes too? : Yes Can I assume the year to be 2024?: Yes Are we looking at specific areas within Bangalore or entire city ? : Entire city Here's how I will approach this question. I will divide Bangalore into places with High, medium and low population density. This is a relat"See full answer

R K. - "As a Product Manager for Instagram Reels, understanding Meta's investment in this product requires considering the broader competitive landscape, primarily TikTok, and Instagram's monetization strategy through ads. The focus on Reels is a strategic move to capture a share of the short-form video market, increase user engagement, and drive ad revenue. Lets start with why Meta invested in Instagram reels 1. Competing with TikTok: TikTok's explosive growth in the short-form video space pose"See full answer

Shivam B. - "The Critical Rendering Path (CRP) refers to the sequence of steps that a web browser takes to convert HTML, CSS, and JavaScript into a fully rendered webpage. CRP highlights the processes that can slow down the time it takes for a webpage to become interactive for users."See full answer

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

Anonymous Sparrow - "Clarifying question: may I assume that this would be for all new units that Roku would be selling? Ie. they wouldn't be sending new remotes to existing Roku customers? (assume interviewer agrees) Here's how I would approach this analysis: Identify purpose and value of this button for customers Identify the purpose and value for HBO/Max and Roku Posit: HBO should be willing to pay up to the value that HBO/Max gets minus potential discount by Roku for the value that Roku would get Pre"See full answer

Anonymous Sparrow - "Clarifying question: board meetings have varying degrees of formality, usually dependent on the size of the company and whether it's publicly-listed or still private. Is there a particular type of board meetings you'd like me to focus on? (Assume interviewer responds with: why don't you design something that's flexible to be used for any type of board meeting and any type of company) Sounds good, I'll leverage my own experience and understandings on how board meetings are run and problems to so"See full answer

Atit P. - "I'd start by clarifying the purpose of the in-flight experience. Get more travelers? (adoption) Reduce customer churn? (retention) Gain additional revenue? (revenue) Lets say we want to offer an in-flight experience that drives revenue. It is intuitive that, customer expectations for an in-flight experience will vary based on the duration of the flights: Short haul flights (1 hour or less): Self-help options are better suited. While seating may be important, a slight inconvenience for"See full answer

Christopher T. - "I would buy them all miniature ponies and create pony hubs throughout the city where they can scan in and rent a pony. The ponies have wings by the way."See full answer

Sarvesh G. - "def calc(expr): ans = eval(expr) return ans your code goes debug your code below print(calc("1 + 1")) `"See full answer

Rishi G. - "Problem Statement: The Fibonacci sequence is defined as F(n) = F(n-1) + F(n-2) with F(0) = 1 and F(1) = 1. The solution is given in the problem statement itself. If the value of n = 0, return 1. If the value of n = 1, return 1. Otherwise, return the sum of data at (n - 1) and (n - 2). Explanation: The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones, typically starting with 0 and 1. Java Solution: public static int fib(int n"See full answer

Rick E. - " from typing import Dict, List, Optional def max_profit(prices: Dict[str, int]) -> Optional[List[str]]: pass # your code goes here max = [None, 0] min = [None, float("inf")] for city, price in prices.items(): if price > max[1]: max[0], max[1] = city, price if price 0: return [min[0], max[0]] return None debug your code below prices = {'"See full answer

Tiago R. - "function findPrimes(n) { if (n < 2) return []; const primes = []; for (let i=2; i <= n; i++) { const half = Math.floor(i/2); let isPrime = true; for (let prime of primes) { if (i % prime === 0) { isPrime = false; break; } } if (isPrime) { primes.push(i); } } return primes; } `"See full answer

Batman X. - "def friend_distance(friends, userA, userB): step = 0 total_neighs = set() llen = len(total_neighs) total_neighs.add(userB) while len(total_neighs)!=llen: s = set() step += 1 llen = len(total_neighs) for el in total_neighs: nes = neighbours(friends, userA, el) if userA in nes: return step for p in nes: s.add(p) for el in s: total_neighs.add(el) return -1 def neighbours(A,n1, n2): out = set() for i in range(len(A[n2])): if An2: out.add(i) return out"See full answer