Hello,

• Karnataka Common Entrance Test which is popularly known as KCET is a state level  entrance exam which is conducted to provide admission in various Engineering, B. Pharm and Farm Science courses in Government/ University/ Private Aided/Private un-aided institutions in Karnataka State . For detailed information about kcet go through

https://www.careers360.com/exams/kcet

• jee exam , it is a national-level entrance  and actually  there are two exams namely  jee mains and then jee advance,in order to be eligible for appearing in jee advance, qualifying jee mains is mandatory. Jee mains is an entrance conducted for admissions into engineering colleges like NITS, state government engineering colleges and private engineering institutions while jee advance is for providing admission in IITS. For detailed information about jee mains go through https://engineering.careers360.com/exams/jee-main

you can crack kcet easily if you have prepared well for jee mains exam....just clear your concepts and do revise ncert books.

• JEE (JEE Main and JEE Advanced) is considered to be the toughest entrance test in India. So, if you prepare well for JEE, then your chances of cracking KCET are quite high. However, just check and compare the syllabus of both the exams and prepare for KCET as per its syllabus. Also, pick up the sample papers of JEE Main and KCET from the link below to know and compare what kind of questions come in both the exams.
  
  https://engineering.careers360.com/articles/kcet-sample-papers
  
  https://engineering.careers360.com/articles/jee-main-sample-papers

Hope this helps,

All the best!