In addition to what these folks are saying, it seems to me that one would need to put the question mark outside the quotation marks in the first sentence, since it is not part of the title of the article, and is placed there to make the sentence itself a question.
1. Have you read the article entitled "Increase Your Vocabulary"? 2. The case against the Dallas-based company was handled in Seattle. 3. He took the woman's hat and hid it in the men's room. 4. She whispered "Are you sure you love me?"