Interview Questions

Prachi G. - "The solution produces the same result as the 'prescribed solution' yet it does not get accepted In the test results section transcript['year'] = transcript['year'].astype(str) df = pd.pivottable(data = transcript, index = 'studentid', columns = 'year', values = 'yearlygpa', aggfunc = 'mean').resetindex() df = df[(df['2021'] < df['2022']) & (df['2022'] < df['2023'])] df['average_gpa'] = df[['2021', '2022', '2023']].mean(axis=1).round(2) return df "See full answer

Exponent - "This is a Technical question. It tests your ability to understand high level technical concepts. Even though your job won't have any coding involved, you'll still need to understand these concepts. Being able to cover all these topics with clarity communicates confidence in your interviewer. Unfortunately, there's no formula for technical questions, but some general tips are: Use analogies when you can Break your solution into clear, bite-size steps Don't be afraid to use examples to b"See full answer

Exponent - "This is another Diagnosis problem. To answer this question, we suggest you use our framework (along with the TROPIC method) to be as thorough as possible. The framework is as follows: Ask clarifying questions List potential high level reasons Gather Context (TROPIC)Time Region Other features / products (internal) Platform Industry / Competition Cannibalization Establish a theory of probable cause Test theories Propose solutions Summarize "See full answer

Soniya S. - "Yes"See full answer

S H. - "Clarifications Only travellers to be considered? Or should we consider work staff, people who come to receive and see off people when they are traveling? → In essence who is considered to the count? → Assumption, only travellers. If not then you have to consider, staff (ATC, Security, Airlines ground staff, Customs, shop employees, airport staff etc.) making the estimate very difficult, But If I had to guess I would say 5% of total travellers across all the staffing categories. Estimate"See full answer

Product V. - "Clarifying QQ What is the definition of children - Say age 8-13 Are we referring to the writing pen - Ball or fountain - Feel free to make assumption Are we designing for the first time writing experience - Feel free to make an assumption What is the overall goal here - Allow children to experience with pen Any specific country or region - Say International I will take India and then we can design something on the similar lines for the developing world - something that wi"See full answer

Lash - "A perceptron is the most basic building block of a neural network and represents a single-layer binary classifier."See full answer

Chen J. - "Leetcode 347: Heap + Hashtable Follow up question: create heap with the length of K instead of N (more time complexity but less space )"See full answer

Lucas G. - "Type I error (typically denoted by alpha) is the probability of mistakenly rejecting a true null hypothesis (i.e., We conclude that something significant is happening when there's nothing going on). Type II (typically denoted by beta) error is the probability of failing to reject a false null hypothesis (i.e., we conclude that there's nothing going on when there is something significant happening). The difference is that type I error is a false positive and type II error is a false negative. T"See full answer

Anonymous Dove - "Do first: These are the ideas that have high urgency and high impact. They are your top priorities that you should work on as soon as possible. For example, an idea in this quadrant could be to implement a responsive design that adapts to different screen sizes and devices. Schedule: These are the ideas that have low urgency and high impact. They are important but not urgent, so you can plan to work on them later. For example, an idea in this quadrant could be to create an email styl"See full answer

Sachin P. - "My approach to open ended prompts is to gather as much information as possible to: A) Clarify the issue -> b) Identify various possible root causes -> C) Narrow down on the most likely cause ->D) Set up a recommendation and how to track whether the proposed solution will work. A) CLARIFY 1) Clarify the metric Ensure that we fully understand this metric. Does uploads refer specifically to the individual files that someone uploads to their account? Does it include both manual uploads whe"See full answer