The topic is just a tease, but to be frank, you can get adsense approval less than a day.

The trick is just content and here are what to do;

1. Your contents should be 100% unique,
2. Each post should be 500 words upward, the more the words the more the chance to get approval,
3. Write 5 to 10 minimum unique posts,

Wait, there are other things you need to do, you can see it here AdSense Approval Trick