It basically depends upon from college to college and the criteria for short listing. But if you wish to make it to the top colleges of CAT it is advised to score very high percentage of marks in your class x and class xii.

Every year the percentage needed for shortlistment is changed by the college.

The overall shortlistment depends upon your performance in class x and xii , your grades in college , extra curricular activities and your work experience.

All the Best !!!?

hi,

see to become eligible for cat exam, you need to secure 50% marks in graduation in any discipline from a recognized university. however to ranked institute like iims, pumba, iit kgp etc also evaluated academic score along with cat percentile, it goes different for different institute. there is no specific marks mentioned.