results do not display at the end of the quiz!

i did. I want a refund

Please go through our refund policy page: www.wdmtech.com/return-and-refund-policy

It just says about your return policy. What do I need to do?

The below point is mentioned there:

We don't refund in the following cases:

You experience script conflicts with other 3rd party software connected to or installed on your Joomla website (Templates, Components, Modules, and Plugins).

Unfortunately you do have the same issue.