If you've scored 120 out of 180 in the KCET rank cannot be determined precisely just based on your marks (120/180, since KCET is out of 180, not 240). However, you can estimate your rank using previous years' KCET rank vs marks trends, 120/180 marks (~66.6%) is a good score , likely to fetch a rank between 30,000 to 50,000 ,approximate range based on past trends.