Yes you will definitely be able to. Any and all graduates are eligible for CAT and other management entrance exams. Start preparing if you have'nt already. Al the best!

Yes, you will be able to prepare for CAT exam. CAT exam tests basic mathematics skill (upto class 10th), reading comprehension and logical reasoning. Practice will surely help you to crack it. 

You can refer to syllabus for CAT exam in the given link.

https://iimcat.ac.in/per/g01/pub/756/ASM/WebPortal/1/index.html?756@@1@@1#