When you first create your blog, you will notice a sample page at the top of your blog and a sample post on the front page of your blog.
To delete them:
1. Log into your blog’s admin
2. Click on the left menu on Posts (All Posts) to view the posts.
Hover over the sample post, and click ‘Trash’
This will move the post to your Trash bin. To permanently delete the page, click on the ‘Trash’ link at the top of the Posts page.
Hover over the post, and click ‘Delete Permanently’