In the current context of the CAT, you need to be able to solve around 23-25 (out of 34) questions at 100 percent accuracy to reach a 99.8+ percentile in the exam. Naturally, at 90-95% accuracy, this number would be around 30+ attempts.
The following table would give you a clear idea about your targets based on the percentile you are targeting in the QA section.
IMPORTANT DATES:
Registration Likely Aug 2021
Admit card available Likely Oct 2021
Exam Likely Nov 2021
Results available Likely Jan 2022