![]() It’s fastest just to calculate the odds that all 3 are lying, and it’s not raining.Įach friend has a 1/3 chance of lying. You only need 1 of your friends to be telling the truth for it to be raining in Seattle. What is the probability that it’s actually raining in Seattle? All 3 friends tell you that “Yes” it is raining. Each friend has a 2/3 chance of telling you the truth and a 1/3 chance of messing with you by lying. You call 3 random friends who live there and ask each if it’s raining. You’re about to get on a plane to Seattle. (Only #1 would get you shot)īut if you respin… there are 2 bullets remaining and 6 total slots. Your odds of getting shot are 1/4 or 25%. Now look at the second slot in those 4 possible scenarios above. The other two scenarios would have meant you got shot on the first attempt. There are 4 ways to arrange the revolver with consecutive bullets so that the first shot is blank. The key hint here is that the bullets were loaded adjacent to each other. He then asks you, “do you want me to spin it again and fire or pull the trigger again right away?” For each option, what is the probability that you’ll be shot? He puts two bullets in consecutive order in an empty six-round revolver, spins it, points it at your head and shoots. Time to see how many you can answer! Facebook Brain Teaser Interview Questions and Answers: Question 1:Ī Russian gangster kidnaps you. So I spent a day on and a few other sites to come up with the 8 hardest and most interesting logical interview questions out there.Īnd not just from any companies…We’re going to look at 4 tech giants known for having the toughest interviews: I wanted to find out exactly what these questions involve. Silicon Valley tech companies are famous for asking some pretty crazy brain-teaser interview questions…
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