To add a Diagram type question:

1. In your account, click on My Questions tab and click on Add Question button on top right side.
   

1. Select the Question Type as Diagram Type Question from the drop down options and provide a Topic Name in which the question is supposed to be added.
   
2. In the screen that opens, fill the desired text for the question.
   

1. Also, mark the questions as Easy, Medium or Difficult.
2. You can now preview the added questions by clicking on the "Preview" button.
   

1. Then, click on the 'SAVE' button to save the question in the respective Skill-Set / Topic.
   

Please refer to the below video: