How to remove individual pages from Google

Hello Friends,

I want like to know how can i remove pages those are already in google index.

I have delete 500+ pages from site. All those pages are in google index. now i want to remove those pages from google index.

I have already put robots.txt but pages are still in google.

I have already deleted those pages from site.

Thanks in Advance for you help.

 

A short question that deserves a long answer : How can I remove content from Google's index?

Jean-Luc

 

thanks for the info