Want a job at some of the top companies? Start studying these questions.Sarah Jacobs

Job interviews are tricky, so it helps to know what you're up against.

Researching the company extensively beforehand certainly helps. So does compiling some quality questions to ask.

You can also scour job sites like Glassdoor to try to compile and prepare for commonly asked questions.

Fortunately, some CEOs, recruiters, and HR representatives at top companies are quite open about the questions they like to put to candidates.

Here are some questions you might get during interviews at tech companies like Facebook, LinkedIn, and PayPal, according to the people asking them: