Cutoff refers to the minimum marks a candidate should obtain to be qualified to get admissions. The cut-offs vary every year depending on different factors. You will get the details about cutoff in the link provided below and then, you can make an idea of the score needed by you.
Hope this helps.
CAT Pathfinder - IIM & Non-IIM MBA Call Predictor
Know Your Calling Chances from IIMs & other Top MBA Colleges, Eligibility & Cut-offs