does google calculates this?

old links from other websites linking to your website is also an important factor to rank good in google?

 

yeah, all backlinks will be counted when u gets Google PR.

To gain good Keyword position in Google, your must have enough backlinks linked with your keyword as anchor text.

With good on-page optimization also we can bring into SERP.

 

backlinks are good for your website whether they are old or new.

 

you mean back links or a reciprocal links?back link is important in ranking but you should have good content in your site.