Here's how much time Facebook CEO Mark Zuckerberg spends in office

In a surprising revelation, Facebook CEO Mark Zuckerberg has said the amount of time he spends in the office is about 50-60 hours a week, which is close to the time spent by other employees at work.

According to ABC News, Zuckerberg's comment came in an unannounced question-and-answer session on Tuesday night on his Facebook page.

The Facebook CEO said he has remained focused his entire life if one counts the time he has spent on his mission. Zuckerberg said he has spent most of his time thinking how to connect people and serve the community better.

Earlier, Zuckerberg shared how he hires employees to work for him: by assessing if he would work for them or not.