This is the official link for the previous year question papers as well as sample papers

https://www.google.com/url?sa=t&source=web&rct=j&url=http://www.iimidr.ac.in/wp-content/uploads/IPMSample_Paper17.pdf&ved=2ahUKEwjf1ouykrPhAhUDY48KHbZVAbkQFjAAegQIBBAB&usg=AOvVaw25vzExfikPFq7e6AAp_1_7

Here you can also go through the sample papers through this link which will further help you in your preparation.

https://bschool.careers360.com/download/sample-papers/ipm-aptitude-test-sample-paper