This will help you to delete in the right places. Paragraph marks and page breaks are clearly displayed in this view. Move the cursor in front of the corresponding character and press the deletekey. Word automatically deletes the offending page once there are no characters left on the page to be deleted, and you have also removed the page break.
If it is not a blank page, but one with content, you must first remove text, images, and tables. The easiest way to do this should be if you use the mouse to highlight the area you want to delete and then hit the delete key. You can then remove any remaining paragraph marks and finally get rid of the entire page as explained above.