21 of the trickiest questions Google will ask you in a job interview

Google has a reputation for asking difficult brain-teaser questions that challenge how you act under pressure.

Most of them require you to think quantitatively and broadly, and test the way you tackle problems on the spot.

Google probably switches up its questions over time, but career website Glassdoor provides a glimpse of the types of brain-stumping puzzles Google has asked in the past.

Not all of Google's tricky questions are necessarily meant to be brain teasers - some of them are so simple yet difficult to answer in a concise way.