Setup Go to Site administration -> Filter -> Manage filters Set Mathjax Active "On" and Apply to "Content and headings"  Tick on the MathJax checkbox and press Save Changes to enable the filter. Scenario 1: Normal content Import the question questions-T100-Q09 DandD onto images Ocean floor (560px)-20240820-1005.xml Preview the question Expected: the content in DragDrop item is center. Scenario 2: Mixed content (include filtered content and normal content) Edit the imported question Add some mathjax content into the drag drop item. Example : "$$ x = {-b \pm \sqrt {b^2-4ac} \over 2a} $$"   Save and preview the question Expected: the Mathjax content should be displayed fine in the drag drop item.