Which of the following would be a helpful open-ended question for you to ask after someone has read your paper?

Do you like my introduction?

Do you like this draft?

What do you like best about my introduction?

Do I need to improve my paper?

What suggestions do you have for improving my paper?

The question "What do you like best about my introduction?" would be a helpful open-ended question to ask after someone has read your paper.

A helpful open-ended question for asking feedback on a paper would be: "What are your thoughts on my paper?" This question allows the reader to provide their opinion and feedback in a more comprehensive manner, giving you a wider range of insights about your writing. Additionally, you can ask specific follow-up questions like "What aspects stood out to you?" or "Are there any areas that could be improved?" to get more targeted feedback.