Impossible interview questions

Actually some of them aren't so bad. Google can jog on though. And Merrill Lynch is just a bit weird. That said, it's not so much getting the right answer as showing the right approach. Hence me feeling most confident about getting a job at Gryphon Scientific. Procter & Gamble: Sell me an invisible pen. 

Facebook: Twenty five racehorses, no stopwatch, five tracks.  Figure out the top three fastest horses in the fewest number of races.

Citigroup: What is your strategy at table tennis?

Google: You are climbing a staircase. Each time you can either take one step or two. The staircase has n steps. In how many distinct ways can you climb the staircase?

Capital One: How do you evaluate Subway’s five-foot long sub policy?

Gryphon Scientific: How many cocktail umbrellas are there in a given time in the United States?

Enterprise Rent-A-Car: Would you be okay hearing “no” from seven out of 10 customers.

Goldman Sachs: Suppose you had eight identical balls. One of them is slightly heavier and you are given a balance scale. What’s the fewest number of times you have to use the scale to find the heavier ball?

Towers Watson: Estimate how many planes are there in the sky.

Lubin Lawrence: If you could describe Hershey, Godiva and Dove chocolate as people, how would you describe them?

Pottery Barn: If I was a genie and could give you your dream job, what and where would it be?

Kiewit Corp.: What did you play with as a child?

VWR International: How would you market a telescope in 1750 when no one knows about orbits, moons etc.

Diageo North America: If you walk into a liquor store to count the unsold bottles, but the clerk is screaming at you to leave, what do you do?

Brown & Brown Insurance: How would you rate your life on a scale of 1 to 10?

Jane Street Capital: What is the smallest number divisible by 225 that consists of all 1’s and 0’s?

UBS: If we were playing Russian roulette and had one bullet, I randomly spun the chamber and fired but nothing was fired. Would you rather fire the gun again or respin the chamber and then fire on your turn?

Merrill Lynch: Tell me about your life from kindergarten onwards.

Susquehanna International Group: Five guys, all of different ages, enter a bar and take a seat at a round table. What is the probability that they are seated in ascending order of age?

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