Here are some typical Google job interview questions from Business Insider for Product Manager, Software Engineer and Engineering Manager. The questions below are listed by category. You can find the answers at the end of the posts at here.
Product Manager:
1. How many golf balls can fit in a school bus?
2. How much should you charge to wash all the windows in Seattle?
3. In a country in which people only want boys 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?
4. How many piano tuners are there in the entire world?
6. Design an evacuation plan for San Francisco
7. How many times a day does a clock's hands overlap?
12. You have eight balls all of the same size, 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? (I had this interview question, not from Google.)
13. You are given 2 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.
14. Explain a database in three sentences to your eight-year-old nephew.
15. You are shrunk to the height of a nickel 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?
Software Engineer:
5. Why are manhole covers round? (copied from Microsoft?)
8. Explain the significance of "dead beef".
9. A man pushed his car to a hotel and lost his fortune. What happened?
10. You need to check that your friend, Bob, has your correct phone number, 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?
Engineering Manager:
11. You're the captain of a pirate ship, 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?
...Yeah, nobody said it would be easy to get a job at Google.
Friday, November 13, 2009
Thursday, November 12, 2009
US Exports To China By State
This is a great picture from Visual Economics.
Note that it says "Waste and Scrap = $7.6B between 2000 and 2008", and that's lots of "crap" been sold!
Wednesday, November 11, 2009
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