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. So, check out 29 of the toughest questions Facebook asks in interviews...
"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."
"If you were going to redesign an ATM machine, how would you do it?"
"How many birthday posts occur on Facebook on a given day?"
"Do you think that Facebook should be available to China?"
"How much do you charge to wash every window in Seattle?"
"Describe how the website works. (That's the whole question, with no context.)"
"How much money is spent on the internet?"
“How would you design a simpler TV remote control?”
“How do you deal with communicating less than favorable information?"
"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?"
“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.”
“How would you set up an interview in this room?”
"How many vacuums are there in the USA?"
"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?"
"How many Big Macs does McDonald sell each year in the US?"
"How would you build Facebook for blind people?"
"Tell me your plan of action if you saw that photo uploads suddenly dropped by 50%."
"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?"
"Should Facebook continue to add features or rely on 3rd party apps?"
"If you were an animal what kind would you be and why?"
"I was asked what I was least proud of on my resume."
"Given access to all the data Facebook collects, what would you do with it?"
"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."
"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.)"
"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."
"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."
"25 racehorses, no stopwatch. 5 tracks. Figure out the top three fastest horses in the fewest number of races."
"What is the process you would go about in spotting a fake profile?"
"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?"
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