Not Showing my Few Pages on SERP ?
 

Hi,
I have a website which have 13 pages. But 5 pages and not showing in SERP even i'm posting whole url on google but rest of pages showing. currently i'm working on those 5 pages but they are not appearing . My question is Why only 5 pages are not showing, few months back all webpage all appear in SERP but not Now. What is the problems and what is solution please tell me.