hi,

see cat syllabus as numerical aptitude, verbal and logical reasoning, english grammers, etc. cat exam is similar to any other competitive exam of bank p.o, ssc cgl etc. so you may know that candidates from any area of studies may participate in cat exam , the key notes to get a good percentile is practice and practice, make short notes, work on your weak areas, give ample number of mock test, you will surely get success.