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Tech Job Candidates Face Head-Spinning Questions

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Maybe you've had the nightmare. You show up late for the job interview, or perhaps you forgot to prepare at all. Then they pop off the kind of question that has you sitting there mute, an intellectual deer in the headlights:

Why are manhole covers round? How would you figure out the number of kilowatt-hours required to boil a container of water? For a randomly ordered bucket of numbers 1 through 3,000 with one number missing, how would you detect which number is missing?

For thousands of Silicon Valley high-tech job seekers, it's no bad dream. Those questions are actual queries fielded by candidates who recently applied for jobs at Cisco Systems, Google and Facebook, respectively, according to, the Sausalito-based website that collects feedback on salaries, interviews, and company culture from more than 95,000 companies.

From San Jose Mercury News
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