.. that’s what this weekend’s Wall Street Journal Review section challenges its readers with, with an article about interview questions candidates can expect at Google. Want to give them a try? (If you don’t have training in math and engineering, just try Question 5). I’m going to take a crack at them myself without peeking at the answers at the back of the newspaper, and will report back tomorrow!
Question 1 : What is the next number in the sequence 10, 9, 60, 90, 70, 66, .. ?
Question 2: You’re in a car with a helium balloon on a string that is tied to the floor. The windows are closed. When you step on the gas pedal, what happens to the balloon – does it move forward, move backward, or stay put?
Question 3 : Using only a 4-minute hourglass and a 7-minute hourglass, measure exactly 9 minutes – without the process taking longer than 9 minutes.
Question 4 : A book has N pages, numbered the usual way, from 1 to N. The total number of digits in the page numbers is 1,095. How many pages does the book have?
Question 5 : A man pushed his car to a hotel and lost his fortune. What happened?