If i score 100 mark in KEAM nd hav 84% in 12th.. would i be qualified in KEAM..?

My dear, u will be qualified according to the cut off marks of the institute, it's a very good rank and every year the cut off marks become change with difficulty level of xm ,no of candidate s participate in xm etc etc. From KEAM U can do many courses like ARCHITECTURE,BDS,AYURVEDA, HOMEO,SIDDHA,FORESTRY ETC.

Best of luck ..hope it helps ..thank u ..