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15 Google Interview Questions That Made Geniuses Feel Dumb

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Google used to have really embarrassing hiring practices.

It would hardly look at applicants who hadn't gone to an Ivy League school, MIT, Cal Tech, or Stanford.

It also actually used to ask executives and engineers in their mid-30s about their college GPAs.

The worst thing Google HR would do was ask applicants insanely difficult "brain teaser" interview questions.

Gayle Laakmann McDowell, a former Google software engineer and author of The Google Resumesays the company has finally "banned" most of these awful hiring practices.

Of the brain teasers, she says: "If an interviewer were to ask a candidate a brain teaser, despite the policy, the hiring committee would likely disregard this interviewer’s feedback and send a note back telling the interviewer not to ask such silly questions."

How bad were these "silly questions" that Google had to outright ban them? 

Pretty bad.

Seattle job coach Lewis Lin put together a list of 140 questions his clients were asked by Google.  Here are…

How many golf balls can fit in a school bus?

School bus
Flickr/waitscm

Job: Product Manager

How much should you charge to wash all the windows in Seattle?

Facebook Seattle view
Facebook

Job: Product Manager

In a country in which people only want boys…

kids, kids on the beach, children
Flickr / mikebaird

…every family continues to have children until they have a boy. If they have a girl, they have another child. If they have a boy, they stop. What is the proportion of boys to girls in the country?

Job: Product Manager

Design an evacuation plan for San Francisco

san francisco giants riot
@a_popular_user

Job: Product Manager

Why are manhole covers round?

manhole.jpg

Job: Software Engineer

Photo: brunkfordbraun

How many piano tuners are there in the entire world?

steinway piano
Mamta Badkar/Business Insider

Job: Product Manager

Photo: delgaudm

How many times a day does a clock’s hands overlap?

clock, rudy's barbershop, ace hotel, men's lifestyle, bi, dng, july 2012
Daniel Goodman / Business Insider

Job: Product Manager

Explain the significance of "dead beef"

Kobe Beef
bernardus

Job: Software Engineer

A man pushed his car to a hotel and lost his fortune. What happened?

beverly hills hotel cars
Courtesy of The Wrap

Job: Software Engineer

You need to check that your friend, Bob, has your correct phone number…

iphone music
YouTube/Screenshot

…, but you cannot ask him directly. You must write the question on a card which and give it to Eve who will take the card to Bob and return the answer to you. What must you write on the card, besides the question, to ensure Bob can encode the message so that Eve cannot read your phone number?

Job: Software Engineer

You're the captain of a pirate ship…

barack obama pirate
Twitter / @BarackObama

…and your crew gets to vote on how the gold is divided up. If fewer than half of the pirates agree with you, you die. How do you recommend apportioning the gold in such a way that you get a good share of the booty, but still survive?

Job: Engineering Manager

You have eight balls all of the same size…

chinabasketballs2.jpg

…7 of them weigh the same, and one of them weighs slightly more. How can you find the ball that is heavier by using a balance and only two weighings?

Job: Product Manager

You are given 2 eggs…

eggs

…You have access to a 100-story building. Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor. Both eggs are identical. You need to figure out the highest floor of a 100-story building an egg can be dropped without breaking. The question is how many drops you need to make. You are allowed to break 2 eggs in the process.

Job: Product Manager

Explain a database in three sentences to your eight-year-old nephew.

problem child
screengrab from the Problem Child FillingthevoidRevues via Flickr

Job: Product Manager

You are shrunk to the height of a nickel…

penny jar, pennies, coins
Flickr / tsmall

… and your mass is proportionally reduced so as to maintain your original density. You are then thrown into an empty glass blender. The blades will start moving in 60 seconds. What do you do?

Job: Product Manager

WHERE ARE THE ANSWERS?!?!

Google Baby
This is not a Googler (yet) youngblog

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Nicholas Carlson was Business Insider's global editor-in-chief from 2017 to 2024, overseeing its emergence as a National Magazine Award, Emmy, SABEW, and Pulitzer Prize-winning global news organization with more than 500 journalists reaching 200 million readers and viewers each month.Before that, he was Business Insider's chief correspondent.Carlson is also the author of "Marissa Mayer and the Fight To Save Yahoo!"He was an Executive Producer of "Quiet on Set: The Dark Side of Kids TV," which, during its debut week, was the most-watched television show on any streamer and the most-watched show in Max history.His investigative reporting rewrote the histories of Facebook, Twitter, and Groupon. He also wrote the award-winning features "The Truth About Marissa Mayer: An Unauthorized Biography" and "THE COST OF WINNING: Tim Armstrong, Patch, And The Struggle To Save AOL."Longform.org named "THE COST OF WINNING" the best long-form business story of 2013.Carlson's coverage of Yahoo won Digiday's award for Best Editorial Achievement of the year in 2014.In 2015 Carlson wrote a New York Times Magazine cover story, "What Happened When Marissa Mayer Tried to Be Steve Jobs." It was a finalist for a Mirror Award for best in-depth/enterprise reporting.Carlson began his journalism career at InternetNews.com and then Gawker Media's Valleywag. He went to Davidson College. Disclosure: Nicholas is an investor in private and public companies and adheres to Insider Inc's Conflict of Interest policy, which you can read here.