In the “Build Post Query” section of the post listing widgets, you can use “Additional Query Arguments” field to add additional query arguments.
For more information about WordPress “query_posts” function click here.
We will exclude latest 4 posts from the carousel widget on the following example. It will be useful, if you have 2 “latest posts” widget on the same page.
1) Click on the “Build Post Query” button to launch the Build Post Query dialogue window.
2) Enter “offset=4” to the additional query arguments field. You can change “4” with any number as you want (For example; “offset=2”).
3) Click save query. The widget will not display your latest 4 posts.