By Sarah McBride SAN FRANCISCO (Reuters) – Question-and-answer service Quora has raised $80 million in funding led by financier Tiger Global, the latest in a group of no-revenue startups to land outsized checks from investors. The company, founded in 2009 by Facebook alumni, said the cash would support three areas: ensuring Quora lasts on the Internet; Quora will add another tongue by 2015, but company has yet to decide which language to add first, said Marc Bodnick, the company’s head of business. Last year, photo-messaging service Snapchat raised $50 million from investment firm Coatue, and neighborhood social network Nextdoor raised $60 million from Tiger Global and Kleiner Perkins Caufield & Byers.