I have recently started a blog page and initially a lot of pages were not indexed, but then I decided to go and manually request indexing for my new webpages through Google search console. After a day I inspected the URL and they all got indexed, but they are still not reflected in the overview page.
It says I have 7 indexed pages and 5 non-indexed pages.

Problem 1: When I singularly inspect the URLs that say non-indexed, they say they are indexed.
Problem 2: I have a total of 16 webpages on my site, but 7+5=12 so, why are the remaining 4 webpages not being recognized?

Can someone tell me how to fix this issue?