Interview Questions

B. T. - "You are given a string S and a number K as input, and your task is to print S to console output considering that, at most, you can print K characters per line. Example: S = "abracadabra sample" K = 11 Output: abracadabra sample Note that this problem requires the interviewee gather extra requirements from the interviewer (e.g. do we care about multiple white spaces? what if the length of a word is greater than K, ...)"See full answer

Anonymous Pelican - "Just to preface - I've actually worked in the non-profit space previously, so I have some experience in this problem area. Clarifying questions: Is this within the Facebook app itself/integrations across the FoA’s ? Or is this going to be a standalone product? Assume: Charity function built within Facebook. Clarifying Question: Are we okay to constrain this to the US region? There may be tax implications outside of the US we aren’t strongly familiar with and so easier to focus on U"See full answer

Mahesh M. - "Clarification questions Events product - Is that events tools in FB where people can create events and invite people to participate OR a section in FB for specific local/country events so that people can go in and view what others are talking about a specific event and what's going on in local neighborhood. ie think of a section in FB for halloween. People can visit events page for halloween and see where local parties are happening, promotions etc. FB Algorithm will auto curate event spec"See full answer

Anonymous - "Functional requirements: (a) location tracking (b) check-in at nearby place (c) view historical checkins with how much time user stayed there (d) Mark checkout when out of proximity (e) analytics - checkins by user at given loc, top n places Out of scope: (a) checkin sharing with followers Non functional: (a) low latency (b) high availability (c) eventual consistency Scale: (a) QPS: 10M DAU * 2 checkins /86400 seconds (b) Yearly Data Volume: 10M* 0.1 KB *365 days HLD: user -> location servic"See full answer

Exponent - "We've identified the problem as a Design a Product question. Use the following framework for tackling these types of questions: Ask Clarifying Questions Identify users, behaviors, and pain points State product goal Identify current solutions Brainstorm new solutions Evaluate solutions Measure success Summarize We'll go through each of these step by step. Ask Clarifying Questions The PM interview isn't about your ability to come up w"See full answer

Anonymous Boa - "Thorough analysis of the asks- what is the strategic fit, overall business value, goals? Analysis of resources - skillset/ time/ dependencies. Create a list of all the things that we have to do, rank them by value(impact), urgency and effort needed. Stakehodler inputs. Moscow priroitization/ value vs effort frameworks. Have clear communication channels with our stakehodlers to socialzie progress/ effort Sequence the asks - subject to changing circumstances. Call ou"See full answer

Brook - "too much discussing on p-value…. and theoritical things…. country are independant…."See full answer

Frank A. - "1) create the experimental and control groups. 2) Then calculate the proportion (mean) of the true conversion rates for both groups using the convert column which counts True as 1 and False as 0. This is their conversion rates 3) calculate the statistic of the two groups by subtracting the proportion and standardizing. 4) get the p-value and compare with 0.05. 5) conclude the difference is statistically significant if the p-value is less than 0.05 otherwise no statistical difference"See full answer

Manisha J. - "The moment we realise that it's become somewhat unachievable or it's leading on a negative outcome and direction, following the below steps we took. P.S ( I worked for Amazon for 3 years on PMO) These below will be my Initial plan Quick sync up on hurdles and current project and why it seems this way discussion with my team gathering all the data points (pain points) to note down and break them into smaller parts for further resolution Review and retrospect the ongoing project, why it"See full answer

Vipul A. - "I would like to clarify the scope of this question - It is only limited to Uber rides and not Uber eats. correct? For us to gauge whether Uber should accept cash or not, lets first understand why would Uber want to do this, a few reasons which come to mind: Uber wants to acquire more customers (non-digital payment users) Uber wants to provide alternative options to existing users and make it easier for them to book with Uber Strategic reason - competition has started accepting cash or i"See full answer

Tiago R. - "function getCheapestCost(rootNode) { let cost = rootNode.cost; if (rootNode.children.length === 0) { return cost; } let minCost = Infinity; for (let child of rootNode.children) { minCost = Math.min(minCost, getCheapestCost(child)); } return cost + minCost; } `"See full answer