Hello Aspirant,

   There is not as such any ratio to define the differences in difficulty levels of two exams. As per the previous year observations it is clear that JEE Mains seems to be tougher than K-CET. As in K-CET you will get many questions which are directly formula based that is not the case with Jee Mains. In particular difficulty level in mathematics and physics is higher in Jee mains with respect to K-CET. In chemistry there is not much difference, difficulty level is almost similar in both the exams. So, I can say ratio of difficulty of Jee Mains vs KCET is greater than 1.

 Good Luck!!!