Facebook is often regarded as one of the best places to work at in the tech industry. Its interns make $25,000 more than the average US citizen. And famously, employees on Glassdoor voted Facebook the No. 1 company to work for overall. But in order to get a job there, you’ll have to answer some tricky questions.
We’ve compiled some of the toughest Facebook interview questions available on Glassdoor. Whether you’re looking for a programming job or a position in marketing, Facebook’s interview questions will give you a run for your money.
#21. Data Scientist candidate ; 23 Oct, 2015
“There is a building with 100 floors. You are given 2 identical eggs. How do you use 2 eggs to find the threshold floor, where the egg will definitely break from any floor above floor N, including floor N itself.”
#20. Product Designer candidate ; 23 Oct, 2015.
“If you were going to redesign an ATM machine, how would you do it?”
#19. Data Scientist candidate ; 23 Oct, 2015.
“How many birthday posts occur on Facebook on a given day?”
#18. User Operations Analyst candidate ; 23 Oct, 2015.
“Do you think that Facebook should be available to China?”
#17. Online Sales operations candidate ; 23 Oct, 2015
“How much do you charge to wash every window in Seattle?”
Technical Project Manager candidate
“Describe how the website works. (That’s the whole question, with no context.)”
#16. Account Manager candidate ; 23 Oct, 2015
“How much money is spent on the internet?”
Product Designer candidate
“How would you design a simpler TV remote control?”
#15. Training candidate ; 23 Oct, 2015.
“How do you deal with communicating less than favorable information?”
#14. Data Scientist candidate ; 23 Oct, 2015.
“You’re at a casino with two dice, if you roll a 5 you win, and get paid $10. What is your expected payout? If you play until you win (however long that takes) then stop, what is your expected payout?”
#13. Software Engineer candidate ; 23 Oct, 2015.
“You have two light bulbs and a 100-story building. You want to find the floor at which the bulbs will break when dropped. Find the floor using the least number of drops.”
Content Producer candidate
“How would you set up an interview in this room?”
#12. Risk Analyst candidate ; 23 Oct, 2015.
“How many vacuums are there in the USA?”
Production Engineer candidate
“What options do you have, nefarious or otherwise, to stop people on a wireless network you are also on (but have no admin rights to) from hogging bandwidth by streaming videos?”
#11. Data Scientist candidate ; 23 Oct, 2015.
“How many Big Macs does McDonald sell each year in the US?”
Product Manager candidate
“How would you build Facebook for blind people?”
#10. Operations Associate User Intelligence candidate ; 23 Oct, 2015.
“Tell me your plan of action if you saw that photo uploads suddenly dropped by 50%.”
#9. Internet Marketing Analyst candidate ; 23 Oct, 2015.
“A Russian gangster kidnaps you. He puts two bullets in consecutive order in an empty six-round revolver, spins it, points it at your head and shoots. *click* You’re still alive. He then asks you, do you want me to spin it again and fire or pull the trigger again. For each option, what is the probability that you’ll be shot?”
User Operations Analyst candidate
“If you were an animal what kind would you be and why?”
#8. Media Solutions Specialist candidate ; 23 Oct, 2015.
“I was asked what I was least proud of on my resume.”
Product Analytics candidate
“Given access to all the data Facebook collects, what would you do with it?”
#7. Software Engineer candidate ; 23 Oct, 2015.
“Pre-IPO, they asked me to write a paper on the valuation of Facebook. They also asked me what I thought the greatest technological advancement was in the past 20 years.”
#6. Ads Risk Associate candidate ; 23 Oct, 2015.
“If you have 100 credit card numbers (and all info) how would you make as much $ possible in 24 hours using only online transactions? (Many follow up questions of how to get around certain fraud deterrents.)”
#5. Software Engineer candidate ; 23 Oct, 2015.
“You are trying to rob houses on a street. Each house has some amount of cash. Your goal is to rob houses such that you maximize the total robbed amount. The constraint is once you rob a house you cannot rob a house adjacent to that house.”
#4. User Interface Engineer candidate ; 23 Oct, 2015.
“The most difficult question was the 8-hour test, which involved deriving a novel and fairly-involved algorithm, significant CSS/HTML/JS coding, and plenty of opportunities to get something subtly wrong.”
#3. Software Engineering Summer Intern candidate; 23 Oct, 2015.
“25 racehorses, no stopwatch. 5 tracks. Figure out the top three fastest horses in the fewest number of races.”
#2. User Operations Analyst candidate ; 23 Oct, 2015.
“What is the process you would go about in spotting a fake profile?”
#1. Data Scientist candidate ; 23 Oct, 2015.
“You’re about to get on a plane to Seattle. You want to know if you should bring an umbrella. You call 3 random friends of yours who live there and ask each independently if it’s raining. Each of your friends has a 2/3 chance of telling you the truth and a 1/3 chance of messing with you by lying. All 3 friends tell you that ‘Yes’ it is raining. What is the probability that it’s actually raining in Seattle?”