Which of the following is NOT an open-ended question?

How can I help you today?
What happened after that?
Did you try turning it off and back on?
Why are you upset?

1 answer

The question that is NOT an open-ended question is: Did you try turning it off and back on?

This question typically elicits a simple "yes" or "no" response, making it a closed-ended question. The other options invite more elaborate responses.