Puzzles and Interview questions from Google


During my last holiday I read the book ‘Are You Smart Enough to Work at Google’ by William Poundstone.

I’m always interested in books that give some insight on how a company works and how it began.
When you read the book you’re confronted with all kinds of interviewing techniques which Google uses to get the smartest and brightest people.
But that’s only for the first 130 pages or so. The rest of the book is filled with all kinds of interesting puzzles and interviewing questions which let’s you really think.

An example of a question is the following:

“You have the following sequence: 10, 9, 60, 90, 70, 66. What’s the next number in line?”

Don’t try find the logic in the numbers itself because there is none. In fact if you write the numbers in text like “ten”, “nine” you’ll see that the amount of letters of the numbers are the sequence.
I like these kind of puzzles because it learns you to think outsight the box and help activate your creative thinking.

There are loads more of these kind of puzzles and many of them very subtle and sophisticated.

William Poundstone tends to explain some things a little too much, such as a prime number. If you had a little algebra in your youth you know what prime number is.

That aside I liked the book and I enjoyed doing the puzzles. I didn’t really care about the HR procedures which Google and other companies have because there loads of books about that already available. If you like puzzles and brain teasers than go read this book.



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