Interview Questions

Ak - "First, I'd like to ask a few clarifying questions: Do you have any specific user segment in mind or i can choose? A: you can choose Should we think about mobile rather than website? A: you can choose, choose mobile because of growth in usage across the glob Do you have any specific objectives in mind or i can choose? A: you can choose Is this app stand alone or part of broader Facebook ecosystem ? Part of Facebook Facebook mission is to give people power to build community and bring"See full answer

Nilanjan D. - "I think we can analyse the data that's collected especially the users who are requesting it.if we find that there are set of users who regularly use this service then we may cache the data for those users to speed up processing and better the experience. The fresh data (which will be a delta on the cached data can only be calculated) and the stale data can be left out thereby updating the cache"See full answer

Hmj V. - "I said - I recently got promoted and mentioned yes. Now that I realize - I didnot answer to the point. Should have just yes - it doesnt matter to her whether or not I got promoted or not"See full answer

Anonymous Impala - "Understand who will use the kitchen is the first step"See full answer

Naga M. - "I will compromise on the statistical parameters up to some extent (significance value and test power) and complete the test."See full answer

Gabriele G. - "Using a DFS approach, computing all the distances from typing import List from collections import deque def shortestCellPath(grid: List[List[int]], sr: int, sc: int, tr: int, tc: int) -> int: if sr == tr and sc == tc: return 0 nRows = len(grid) nCols = len(grid[0]) distances = [] stack = deque([(sr, sc, 0)]) visitedSet = set() while stack: nodeR, nodeC, nodeDist = stack.pop() if gridnodeR == 0 or (nodeR, nodeC) in visited"See full answer

Unicorn 2. - "Here is what I understand from the question. Riders use "scheduled rides" to schedule rides for upto 24 hours in advance. Do drivers see these scheduled rides before? Assuming no. The drivers get matched 30min before the scheduled ride. Possible factors in matching Location of driver Location of rider No. of rides the driver has had? Maybe give preference to new drivers? Scheduled rides are only single party rides (no pool,etc) What is our goal here? Maximi"See full answer

Exponent - "This is another 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"See full answer

Exponent - "This is a pretty straightforward Improve a Product question. 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 Before we begin listing off recommendations, it's important you ask questions to ensure you and the interviewe"See full answer

Greg Y. - "Thanks for interviewing me!"See full answer

Carlos L. - "There are many companies I’m excited about, but none captures my heart and imagination more than Lego. I have great memories of playing with Lego. I remember the thrill and happiness after completing a set and the excitement to show it to my family, relatives and friends. From a product standpoint, Lego offers a myriad of opportunities for growth in today’s context in which technology is ubiquitous. **Lego has faced several challenges over the years from expanding their user base, tradi"See full answer

William M. - "Relu = 0 if > some threshold else x sigmoid normalizes to 0-1 asymptotically"See full answer