Deleting Blog: accidentally  I created 5 blogs named as same, to delete them out from your blogspot.com

1. Go to your Dashboard and click on the Blog,
2. click on Setting , Other , then  Delete Blog.

Editing the name of blog:

1. click on setting,
2. click on Basic
3. click on title editing

Exporting & Importing blog

1. Go to your Dashboard and click on the Blog,
2. click on Setting , Other , then  exporting Blog which will create an XML file
3. goto the account that need blog import
4. click on Setting , Other , then  importing Blog choose the XML file to download.