It would be difficult to provide you the previous year papers of MUOET PG Entrance Exam as officially it is not available, However you can check the exam pattern & syllabus of the exam with the given below link.

https://engineering.careers360.com/articles/mu-oet-pg

Manipal M.tech 2017 & 2018 cutoff is also not available, If you want to check the previous year cutoff you can go through with the given below link.

https://engineering.careers360.com/articles/mu-oet-pg-cutoff

Good Luck!