Interview Questions

Sai ganapathy S. - "Estimate the number of Slack Users. Are we going to calculate the number of Slack users only in the US or throughout the world ? Slack users within the US By Slack users, are we going to consider only personal account users or enterprise account owners as well ? Both. Enterprise and Personal Account. Assuming that there are around 330 Million individuals in the US, splitting them into various age groups. 0-20, 2-40, 40-60 - 80 Million each Above 80 = 80 Million Since"See full answer

Mohamad Y. - "YouTube"See full answer

Michael B. - "Use an index, two pointers, and a set to keep track of elements that you've seen. pseudo code follows: for i, elem in enumerate(array): if elem in set return False if i > N: set.remove(array[i-N])"See full answer

Lea M. - "THIS QUESTION IS FROM AMAZON STRUCTURE OF THE ANSWER ARTICULATE YOUR IDEA WHY IS IT WORTH ADVOCATING ACHIEVING THE IDEA THE RESULTS AND IMPACT FOR THE COMPANY FROM THIS IDEA. AND ADD THE CHERRY ON THE TOP I HAVE A PRESENTATION MADE TO PRESENT YOUR IDEAS INTO A COMPELLING WAY"See full answer

Sangeeta P. - "Marketing campaigns are run through different channels such as social media, emails, SEO, web advertising, events, etc. Let’s look at some of the overall success metrics at a broader level: Total views for your campaign Unique views for your campaign Returning visitors for your campaign Engagement for your campaign (If it’s a social media campaign, the marketer might be interested in knowing the number of users engaging with the campaign and the type of campaign positive/negative) 5"See full answer

Anubhav A. - "Clarifying question: We are just interested in facebook's ad rev and not other meta products We are looking at the rev coming per year globally formula = (avg. ads shown per min on fb products) x (avg. time spent per user per day in mins) x (avg. rev that fb makes per view) x (DAU) x 365 assumption all kind of ads give the same rev per view to fb all kind of geographies give the same rev per view to fb avg. ads shown per min -> user can scroll upto 20 posts easily in a min, lets"See full answer

Abdurhman M. - "program management is a role similar to project management but often encompasses more that just managing projects."See full answer

Wizzy B. - "URL> DNS over UDP> IP address > TCP handshake > HTTP(SSL handshake) req, responses, websites architectures for any query DB, servers."See full answer

Praveen K. - "I did not give the proper ans so gettting rejected"See full answer

Priyal S. - "Clarifying questions: By no online presence, do you mean just no website for order or do you mean no searches showing up on Google/Bing as users are looking for supermarkets. Possibilities of declining revenue: For every product, i.e pantry, vegetables and fruits, are our prices much higher than our competitors? Are our competitors getting products from suppliers at a lower rate? Are we exhausting our economies of scale well? What % of people are shopping online for groceries? Are"See full answer

Anonymous Tiger - "Clarify question and state assumptions: Streetview from my understanding is compiled by a streetview car going out and taking multiple photos and then Google stitches this together to give us streetview. I'm only going to look at the streetview outdoor experience, I know for e.g Google also has full views of some businesses, malls, museums etc so for the purposes of this I'm not going to calculate this. For the purposes of this is it OK if we say how much storage required to store streetview"See full answer

Anonymous Hawk - "A few clarifying questions: Algorithm that is specifically used to match individuals? Define better? More matches, higher likelihood of relationship? etc. Next I'd like to consider the product's goals, how users engage with the app, how we'd measure those engagements, and how they align with our goals. Considering Goals Facebook's mission is to give people the tools to build communities FB Dating's goal for the end user is to find a partner, but for Facebook it is really ab"See full answer

Techzen I. - "Implemented the Java code to find the largest island. It is similar to count the island. But in this we need to keep track of max island and compute its perimeter."See full answer

Exponent - "You should be able to easily identify this as a Measure Success question. These kinds of questions are used to test your analytical skills, as well as your ability to track project progress post-launch. Recall the strategy for tackling them methodically and thoroughly: Ask clarifying questions State the goal of the feature / product Behavior Mapping / UX Flow Mapping Provide criteria to prioritize metrics Prioritize metrics Summarize Let's begin! "See full answer

Alexey T. - "with t1 as (select employee_name, department_id, salary, avg(salary) over (partition by departmentid) as avgsalary, abs(salary - avg(salary) over (partition by department_id)) as diff from employees ) select employee_name, department_id, salary, avg_salary, denserank() over (partition by departmentid order by diff desc) as deviation_rank from t1 order by departmentid asc, deviationrank asc, employee_name `"See full answer