CAT is the entrance examination for admission to Post Graduate Management Courses to as many as 20 IIMs and almost 1000 participating Institutions. So if you write CAT, you can apply for these Institutions to study MBA. And there is no minimum marks per se. Scholarships are offered by the Institutions in which you get admission in.

CAT  is an online examination of 3 hours duration.The questions in the exam will be of MCQ and TITA type totaling 100 questions. MCQ are multiple choice questions, for which candidates get multiple answer choices. Each Question has 3 marks and a wrong answer takes away 1 mark. However Type in the Answer questions are exempted from Negative Marking.

CAT exam paper can be Categorised into 3 parts:

Quantitative Ability

Verbal Ability and Reading Comprehension

Data Interpretation and Logical Reasoning

The Verbal Ability section and Reading Comprehension has 34 Questions,  Data interpretation-Logical Reasoning section has 32 MCQ questions and Quantitative Ability has 34 MCQ questions totalling up to 100 questions.  Each Question has 3 marks and a wrong answer takes away 1 mark.

Quantitative Aptitude covers almost 30% of the CAT question paper. QA can be categorised into Arithmetic, Algebra, Geometry and Advanced Mathematics. Practise chapter by chapter and develop mental calculations. Like practise more of basic summation, subtraction, fractions and tables. Numbers, Percentage, Profit and Loss, Simple and Compound Interest, Ratio, Proportionality, Time-Distance, Time-Work, Mixtures, Averages, Partnership, Permutation and Combinations, Probability, Set Theory, Progression and Series, Line, Angles, Triangles, Quadrilaterals, Polygon, Circles, Ares, Volume, Height and Distance, Coordinate Geometry, Basic Trigonometry are few important topics.

In Verbal Ability session, command on your English, Grammar, Vocabulary, Understanding of the given paragraph are of more importance. Reading English NewsPaper will also help you in your preparation.

Data Interpretation and Logical Reasoning needs to be practised as much as possible. Comparison of data, Data Analysis, taking clues, interpreting missing data, coming to conclusions and making future projections will be covered under this Category. The questions here are interlinked and so if you get one formula correct, cracking the next few questions will be easy. So it's important to memorise and practise formulae. You should cover topics like Data tables, Data Charts, Bar Diagrams, Pie Charts, Graphs, Data Comparison and Analysis.