Interview Questions

Shuvam C. - "Introduce special tickets which will cover a bundle of rides. This will distribute the load over the remaining rides and reduce the queue for the particular ride as all the people will no longer try to avail the same ride simultaneously."See full answer

Chao peter Y. - "The question is incomplete --- the code only passes if you return the data frame sorted by BOTH department name AND rank. While in the problem description, it mentions to only rank by department name: "The results should be ordered by department name." Not a big difference I know, but students shouldn't need to look into the solution to get the necessary knowledge to answer the question."See full answer

Greg W. - "Equation = (# of phones sold in Africa every month * % pixel market share) Africa population = 1.5 billion Smartphone penetration = assume 50% Assume smartphone penetrations grows 1% per year Assume 2 year smartphone renewal cycle Current smartphone population = 1.5B x 50% = 750M Each year 50% of this populations gets a new phone = 375M 375M / 12 = ~31M per month New smartphone population each year = 1.5B x 1% = 15M 15M / 12 = ~1 per month 31M + 1M = 32M smartphones sold per month US mar"See full answer

Praveena P. - "I have been with Cisco, I am trying to move into a technical project manager role so that I will not loose the touch of latest technologies and also that aligns my passion."See full answer

Shibin P. - "Effective loss functions for computer vision models vary depending on the specific task, some commonly used loss functions for different tasks: Classification Cross-Entropy Loss:Used for multi-class classification tasks. Measures the difference between the predicted probability distribution and the true distribution. Binary Cross-Entropy Loss:Used for binary classification tasks. Evaluates the performance of a model by comparing predicted probabilities to the true binary labe"See full answer

Midde V. - "Front Page Layout Design for Newspaper App Header Section Logo: Displays at the top left. App Name: Displays alongside, so very prominent. Search Bar: Centered with search to find articles within the application. Navigation Menu: The links to the respective sections, World, Politics, Sports, Entertainment, and Opinion, etc Main Content Area Top Stories Carousel: It is a rotating banner that displays the top 3-5 news stories with images along with their headlines. Each story should be cl"See full answer

Bhavana J. - "Clarifying questions: What is the travel experience? International/ domestic travel for company work or local commute to the office? Is there any specific metric that we are targeting? Assuming that interviewer says no metric is defined and we are talking about domestic and international travel for company purposes. I'm going to assume that covid disrupting travel is something that I have to keep in mind but that we are also thinking about how things will be improved in the longer run (i"See full answer

Rajesh P. - "I talked about how I request filtered using data and friendly escalated to keep the program on track. Also, delved deep into the tech stack to identify the areas where we need extra coverage and negotiated resources to handle those areas."See full answer

Exponent - "This is a Fermi problem — an estimation or approximation problem with limited information and back-of-the-envelope calculations. There's no right answer: interviewers want to understand how you think and how well you can explain your reasoning, rather than what you already know. Recall the formula for Fermi problems: Ask clarifying questions Catalog what you know Make equation(s) Think about edge cases to add to equation **Breakdown components of your equat"See full answer

Darshana W. - "Clarification Questions: Can we define and describe office ? my current office ( IT ) , or government offices, starup offices, etc I assume we are desgining a refrigerator for my current office. It is an office with multiple floors with canteen on one of the floors. There is seating arrangement for around 200 - 300 on every floor. Generally there is maximum usage during lunch time and then snacks time since part of us dont have breakfast and dinner in office. Is there any cost limitation"See full answer

Exponent - "This is an Improve a Product question that's quite specific. Here, we're asking to not only improve Slack, but particularly how they allow collaboration on their platform. Let's first go over the Improve a Product formula: Ask clarifying questions Identify users, behaviors, and pain points State product goal Brainstorm small improvements Brainstorm bolder improvements Measure success Summarize Now, let's begin! Ask clarifying questions"See full answer

Wyatt T. - "Clarifying Questions: Is this a Direct-To-Consumer Model or Peer-to-Peer? Assumptions: Direct-To-Consumer Will take place in the United States Primarily Desktop Experience Goal: We are trying to generate leads for Sales Reps Potential Customers: Younger Urban Dwellers Pros Tesla overall age skews younger Generally more Environmentally Conscious Users will likely stay with the same car brand for many decades Cons "See full answer

Nathan B. - " This is mostly correct and fairly fast. My code has a bug somewhere where it fails on cases like the last case, where there are negative number on both ends of the array and the sums . from collections import deque debug = True # False def prdbg(*x): global debug debug = True # False if debug: print(x) else: return def max_sum(arr, start, end): if type(arr) == type(''' "See full answer