Seo Help me

How much keyword take time to rank on google first page
please help and tell me the strategy apply to rank the keyword

List the keywords you want to get ranked for. Make sure you have a goal on what and when you want to achieve it.
Afterwards create a plan with a timeline so you’ll be able to track your efforts.

If you go with a Google Advertisement you should be able to get there fairly quickly no?

That question is a bit like “How long is a piece of string?” We can’t answer it - it depends on far too many factors.

Sorry, but again that’s too vague. You can’t really expect other people to guide you through the entire process - especially as you are apparently working in the field of SEO. There are plenty of threads offering advice on keywords, including this sticky:

You already have an active thread on a very similar topic:

Thread closed.