Blogger allows you to create at list 100 blogs in one Google account which is a very nice and wonderful privilege for bloggers.
Deleting your blog must time might be for different reasons, before you do such process you can create a backup if you have important files in that your blog.
This process am am to teach you will help you delete your blog permanently without risk so just follow the steps below.
Login to your blogger account and then select the blog which you want to delete.
Then scroll your mouse down to the settings tab and then click on it once.
After clicking on the Delete blog tab you will be given another option if you would like to backup your blog before deleting it.
But if you choose not to create a backup just click on the Delete button and the you will be given a congratulation message and that's all you need.
I hope this tutorial will help you, don't forget to drop your comment below thanks.