CAT exam syllabus is broadly divided into three topics:

1. Verbal Ability & Reading Comprehension (VARC)- Mainly contains Para-jumbles, Sentence completion , Inferences and q uestions based on reading comprehension

2. Data Interpretation & Logical Reasoning (DILR) - Graphs, Tables , Seating Arrangement , Syllogism , Blood Relation , Data Caselets and etc

3. Quantitative Aptitude (QA) - Time and Work, G eometry, A lgebra, Mensuration , Number System

For top IIMs, you should aim for a percentile above 99.5. Check out the link below to explore more in this regard.

https://www.google.com/amp/s/bschool.careers360.com/articles/cat-cutoff/amp