The MHT CET 2018 syllabus is based on class XI and class XII syllabus of Maharashtra State Board of Secondary and Higher Secondary Education. The syllabus of MHT CET 2018 gives 20% weightage to class XI topics and 80% weightage to class XII topics. For detailed syllabus you cab go thorugh the following link,

https://engineering.careers360.com/articles/mht-cet-syllabus

I'am also providing you the link to the sample papers for your better practice,

https://engineering.careers360.com/articles/mht-cet-sample-papers

Good Luck!!