Backlinks are more important on Google as Google does not use FB Likes for its Algo ;). Google +1s are very important!

In my view, likes is a kind of backlinks.

backlinks will increase the page rank

good post thanks.

I don't think that likes increases page rank..Only related niche high quality backlinks only can increase page rank

very informative post thanks.

Likes will increase the traffic while backlinks will increase the page rank of the website

backlinks will help to increase page rank

what "Likes"? you mean facebook like button?
Impossible

Backlinks will help you a lot to increase your page rank in google for high page rank you have to dofollow backlinks its important

I agree with him if you want to get your site on first page you have to do more backlinks

Back Links
 

Can anybody brief a little about back links?

thanks for updating useful information.

Backlinks are best.

Backlinks helps increase traffic on your sites . Likes are not so important