Dear applicant to know your MHT CET ranking you need to calculate percentile score, the methods to calculate the percentile is

MHT CET Percentile Score = 100 * (Number of candidates in exam with normalized marks ≤ the candidate) ÷ Total number of candidates in the exam

As per your percentile you can expect ranks such as if you score 100-90 percentile 1k to 19k and with percentile marks it varies

Go through the below link to know in detail.

https://engineering.careers360.com/articles/mht-cet-marks-vs-rank

Good luck!!