Top Tough Interview Questions Heard at Facebook

Interview Questions asked at Facebook
Facebook Interview Questions

Question : Do you think that Facebook should be available in China ?
Position: User operations analyst

Question : You are 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’s raining.’ What is the probability that actually that it’s raining in Seattle?
Position: Data Scientist

Question : How much money is spent on the internet ?
Position: Account manager

Question : If you were an animal what kind would you be and why?
Position: User operations analyst

Question : What is the process you would go about in spotting a fake profile ?
Position: User operation analyst

Question : 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.
Position: Software Engineer

Question : 25 racehorses, no stopwatch, 5 tracks. Figure out the top three fastest horses in the fewest number of races.
Position: Software Engineering intern

Question : If you have 100 credit card numbers (and all of its info) how would you make as much $ (dollar) possible in 24 hours using only online transaction ?
(Many follow up questions of how to get around certain fraud deterrents.)
Position: Ads risk associate

Question :  Write a question on the valuation of Facebook (this question was asked before Facebook went public.). What are the greatest technological advancement of the past 20 years.
Position: Software Engineer

Question :  What are you least proud of in your resume?
Position: Media solutions specialist

Question : Given access to all the data Facebook collects, what would you do with it ?
Position: Production analytics

Question : Should Facebook continue to add features or rely on 3rd party apps ?
Position: Product designer

Question : Tell me your plan of action if you saw that photo uploads suddenly dropped by 50%
Position: Operations associate user intelligence

Question : A 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.
You are 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 will be shot?
Position: Internet marketing

Question :  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?
Position: Production engineer

Question :  How many vaccums are there in India ?
Position:  Risk analyst

Question : Describe how the website works.
Position: Technical projecr manager

Question : You have 2 light bulbs and 100 story building. You want to find the floor at which the bulb break when dropped. Find the floor using the least number of drops.
Position: Software engineer

Question : What would you do on day 1 here?
Position: Technology partener

Question : How much do you charge to wash every window in Seattle ?
Position: Online sales operations

Question : If you were going to redesign an ATM machine, how would you do it ?
Position: Product designer

Question : How many birthday posts occur on Facebook on a given day?
Position: Data scientist

Question : 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.
Position: Data scientist

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