Interview Questions

Anonymous Panda - "SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, test, and deploy high-quality software products. There are several SDLC models, including the Waterfall model, Agile model, and DevOps model. Here's an overview of each model and how I would implement it: Waterfall Model: This model is a linear sequential approach, where each stage of the software development process must be completed before moving on to the next stage. T"See full answer

productchamp - "Volume of Boeing 747 / Volume of 1 ping pong ball; subtract the estimated ping pongs in the fuel tank to fine tune"See full answer

Surbhi G. - "Understand the problem:Users in areas with poor or no data coverage can't fully utilize their smartphones. This affects communication, access to information, and use of various apps. Potential solutions: a) Offline capabilities: Enhance offline modes for popular apps (maps, messaging, content consumption). Implement better caching mechanisms to store frequently accessed data. Develop a system for queuing actions to be executed once coverage is restored. b) Improved connectivity: -"See full answer

Ankit C. - "I can use personalised announcement, something like speaking out loud the time in a more sublte way, instead of blaring sound of an alarm. We can put dynamic alarm tune, meaning one type of tune repeats itself only after a certain period of days. That should help the tune in not becoming the noise to the user, and so he doesn't get indifferent to same tune over time. Can add a voice assistant to set the alarm, pre-recorded with a fixed set of voice commands - to avoid reliance on internet. Can"See full answer

Nitish C. - "Delta lake is a metadata layer on top of cloud storage which helps giving datalake transactional capabilities. It helps implement upsert/merge as it conforms a schema to the data assets stored in cloud. It also offers various other capabilities like liquid clustering,time travel, schema evolution,deletes."See full answer

Indranil G. - "Are we also considaring the office buildings or only houses? Both So we know the NYC land area is 1254 sqkm 1 square kilometer = 247.105 acres that means 1254 sqkm will be = 309870 acr ( rounding) So this is total space, in this say living area is 80% that means 80% * 309870 = 247896 acrs In this 60% residential which will be 148738 acrs residential area and rest is 99158 acres are business blocks Menas (148738/247) =602 sq km =602178 sq mtr residential and 401449 sq mtr for busine"See full answer

Lucas G. - "Null hypothesis (H0): the coin is fair (unbiased), meaning the probability of flipping a head is 0.5 Alternative (H1): the coin is unfair (biased), meaning the probability of flipping a head is not 0.5 To test this hypothesis, I would calculate a p-value which is the probability of observing a result as extreme as, or more extreme than, what I say in my sample, assuming the null hypothesis is true. I could use the probability mass function of a binomial random variable to model the coin toss b"See full answer

Nithin G. - "So the question started of with strategy on how we should approach this followed with metrics to monitor"See full answer

Joohi M. - "Get an audience with the big player - 1) Talk about the camera tech KPI that your company has improved/ 2) Talk about the technology itself 3) Talk about how it's better than the big player's competitors 4) Show a demo through a few benchmarks 5) Promise the big company that your company will support their product end to end if integrated into their product 6) Try to differentiate on pricing 7) Also show how the big player can win more in the market - maybe more user acquisition, or more engage"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

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

Анвар А. - "I'd translated this decimal number into binary form and if it looks like 1000 or 10 or 1 - one leading 1 and others are zeros - than return 1 else return 0 "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