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on 14 July 2012
As others have said this book is designed for people that loving solving puzzles, and especially if they have a good background in mathematics as many of the puzzles require mathematical equations. I would say this is a book that you dip into rather than read from cover to cover. It's a good book to take for example to break up the boredom on long journeys. Only some of the puzzles are actually lateral thinking, the rest require some paper and a pen to really work them out. The author even tells if you were asked certain questions what to write up on the whiteboard in the interview room to impress the interviewer.
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on 7 February 2014
This is a fascinating book: partly because it provides insight into 21st century recruitment processes, and mostly for the amazing variety of problems that you are challenged to answer (and it also gives the answers at the back of the book for the truly puzzled!)
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on 26 December 2015
Excellent item
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on 17 April 2013
I am enjoying this book, if you like puzzles then its a bit of a laugh.

I'm disappointed though that some of his solutions are a little off the mark:

Q. Horse race: Given 25 horses, and you have a racecourse where you can race 5 horses at a time, how many races do you need to find the top 3 horses.
In his answer to this, the author shows it can be done in 7 races, but does not explicitly explain why it can't be done in 6, so doesn't quite answer the question.

Q. two men meeting after 20 years, one has 3 daughters whose ages have product 72 etc etc
In his solution, the author gives the prime factors of 72 as: 2, 3, 3 and 4???? 4 is not prime, so this is sloppy.
He then lists the possible combinations, but misses at least one combination - this could matter, but luckily he still gets to the right answer.

Q. If all families in a country plan their families as follows: "carry on til we get a boy, then stop", what will the male:female ratio be in the resulting population?
The author goes into long, complicated detail by splitting up into the various cases of family: B, GB, GGB, etc etc when this is not necessary at all: The answer is that, as long as no one aborts fetuses on the basis of sex, then the ratio will be just as it would if families did not have that strategy. He also makes a slightly incorrect assumption: Namely that the proportion of M:F is exactly 50:50. In reality, the ratio for live births tends to be very slightly more girls than boys (the ratio at conception is likely to be 50 50, but live birth ratios are very slightly different to that). 50 50 is pretty close.

Q. Desert island football, the only available coin for the toss is biased.
A better answer than the "google" and "microsoft" ones? Captain A hides the coin in one hand and asks captain B to guess left or right.
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on 8 May 2012
You need to toss a coin for a football match. The only coin you have is bent and biased towards one outcome. How do you use the coin and ensure a fair toss?

I love a good puzzle and there are certainty plenty of thought provoking mind benders in this book - most of which I had not heard before. Author William Poundstone (author of 'How Would You Move Mount Fuji' and 'Fortune's Formula') describes various puzzles that are likely to be part of a Google interview process - that company now estimated to be running over one billion search requests per day! Some other aspects of Google are covered, but the subject matter is predominately puzzles - all types of puzzles: fermi questions, deductive logic, numeracy skill, algorithm questions and some grade A counter intuitive mind boggling teasers!

One can't help asking the question why Google bothers with all of this? Surely, the point of an interview is to see if someone can do a certain type of work and the interview should be a fair attempt to assess a candidate's suitability. I have had the fortune (some would say misfortune) to be part of world of Software engineering for the last 15 years. I am passionate about it, but I'll be the first to admit it isn't just about solving fun puzzles. Following best practises, following agreed processes, keeping up to speed with technology, documenting solutions so others can see what's going on are all very important things to make a good software engineer. And it's not always sexy work. Sometimes it requires patience, debugging ugly code while sticking to a tight project deadline. Ascertaining how good someone is at all this in an interview setting can be difficult - especially when it's very easy for a good candidate to freeze from nerves or get an unexpected mental block. It's very difficult to objectify what makes a good software engineer. Sometimes someone very intelligent can get hung up on abstractions or theoritical patterns and forget they have deadlines or just not be a good team player. Sometimes, there's just inescapable subjectivity.

So how do brain teasers help out? Acclaimed tech guru, Joel Spoksky advises to avoid asking them in interviews because they are usually just a case of either the candidate knows it or he doesn't - and not much else. In my opinion, it can take months to understand someone's technical strengths and weaknesses. Puzzles can be useful for demostrating how someone approaches problem solving, how they think on their feet and how they communicate ideas. So yes they do serve a purpose. But even if they serve no purpose whatsoever other than a bit of fun, that's fine for me. I love a good puzzle so I really enjoyed this book and for that reason I'd recommend it to anyone who likes to dabble in some cryptic challenges.
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on 30 June 2014
The very first thing that attracted my attention was the title: “Are you smart enough to work at Google?” Of course the engineer in me wanted to pick up this book, read it, study it and finally say: “YES!”

I was really fascinated by this book. It is filled with complex puzzles and brainteasers which really gets the grey matter moving and neurons fired up. The book mainly discusses some of the most interesting and difficult interview questions ever asked. Yes, you read correctly, interview questions. As the author describes, in today’s job market you have a lot more highly qualified applicants for jobs than a few decades ago. So how do the employers get the best of the best creative, innovative thinkers? They ensure that you have the interview from hell by testing your ability to reason logically and think outside the box with questions that, on the surface, seem to have no relation to the job you are actually applying for. This is the new trend in job interviews today where such questions are used as a cloak to not only determine your creativity and innovative thinking, but also cover the standard questions which test your knowledge in the subject matter, ability to work in a team, etc.

Discussing over 100 different brainteasers and puzzles, this is not only a fun and informative read, but will hopefully prepare you should you ever encounter any of these questions in an interview, especially if you want to work at Google.

So am I smart enough to work at Google? Definitely not! How about you?
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on 19 June 2012
This is a very interesting and thought-provoking book, but just about complicated enough to make you wonder if completeing it should be the first stage when applying for a job at google!
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on 14 May 2012
Better as a quiz book than a guide, lots of great questions to get you through long bus journeys! If the answer only takes you a couple of minutes your probably wrong!
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on 19 June 2012
This book sets out typical interview questions and approaches being applied in the current competitive jobs market. It gives an insight into the why and what the interviewer may be seeking from the candidate.
It is well written , thought provoking, challenging and keeps your interest.
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on 15 March 2013
A gift was required for a very smart relative who works in a high power position for an International firm. This seems to have given him an entertaining mental workout.
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