Share your question paper along with the answer keys.
Login your QB account and go to a dashboard page and select Question Paper Management.
You can view all the question papers that you have created as shown in the below picture.
Click on the 3rd icon under the special option to share your question paper to your students.
You will get a pop up to ensure that whether you want to share the question paper with answer keys or the question paper alone. Mark the option " Share With answer key" and click "OK" to share the question paper with answer keys.