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

Dewi A. - "Firs I am going to look over if the usability dropped are occurred across platform (if the tools can be accessed from multiple platform), if the dropped are only happened in one platform, then we need to fix supporting technology of the tools. If the dropped are happening across platform then I am going to check tracking metrics of the tools. Following are metrics that I am going to consider: Tools Usability - See if the tools are functioning well to accommodate user action; If it turns out"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

Aziz V. - "ArrayList allows constant time access (O(1)) to elements using their index because it uses a dynamic array internally, whereas LinkedList requires traversal from the head node, resulting in linear time complexity (O(n))."See full answer

Anonymous Muskox - "An operating system like Android Go for low-powered devices. Slimming of application like Google Go or Gmail Go which is focused on the emerging markets. Strategic partnership with local telecom companies to provide free wifi to emerging or markets with low data. For example -> Facebook partnered with JIO in India to make the internet penetration more deep. "See full answer

Kay T. - "Clarify: Can I assume I’m a PM at Amazon for the wishlist feature? What is the wishlist feature?You can create a wishlist for yourself of items you want to buy later You can create a wishlist for other people you are shopping for (ex. Christmas, birthdays, etc) You can share this wishlist with others How are we defining “improvement”? (I’m assuming I’m responsible for coming up with the definition) Why do we want to improve the wishlist feature in particular? (Again, I’m responsible"See full answer

Shoaib H. - "Clarifying questions: Company What kind of company are we? Tech giants like Google/FB, Watch manufacturers like TISSOT, Rolex, etc. Assume you are a startup that has recently raised a decent amount of funding. Is there any particular Geography in mind? Or let’s assume it to be the US for the sake of the case statement. Are there any constraints related to budget time? Let’s assume no constraints. and competition Product: What do you mean by smart alarm clock here? _A clock that tell"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

Georgi S. - "Predicting user behavior generally is hard, unless you incorporate in all your product changes some kind of psychology based trigger or make behavior science-driven changes. For example creating scarcity like Booking.com who tell you that the rooms are about to be booked by someone else, or that others are looking at the property or booking actively today. Otherwise you'd have to rely on A/B testing and feature flags to release and measure the impact of product updates. A/B testing is a statis"See full answer

Susheel C. - "I wrote a function to determine if a given number is a power of 2 using logarithms."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

Going P. - "Customers needs changing every"See full answer

Surbhi G. - "When we collect too much user data or survey responses, we risk creating data overload, which can hinder data analysis by clouding important insights with excessive, unnecessary information. This could make it more difficult to discern meaningful patterns or trends from the data, adding complexity to our data processing tasks and potentially leading to incorrect conclusions or strategies. Furthermore, over-collecting data may compromise users' privacy and trust. If users find out that a company"See full answer

Vishal T. - "Go has simpler syntax than Java. It is light weight. It is not Object Oriented. It does not support function overloading and function overriding. But these are small technical differences. Both are similar when it comes to testing. You have to create a mock object and implement an interface. Functionally, I did not feel any major difference."See full answer