Top 10 Most Important CAT Quant Topics 2026 to Revise in last 15 Days

Preparing for the CAT Exam 2026? Knowing which Quant topics to study first can help you use your time better. This guide covers the top 10 important CAT Quant topics based on how often they appear in the exam, along with the expected number of questions from each topic.

CAT Exam preparation becomes easier when you know which topics need more attention. You will also find common mistakes to avoid, free formula PDFs, and a simple 15-day revision plan. Start with Arithmetic and Algebra, as these topics deserve extra attention during your preparation.

Download Free CAT 2026 Quant Topics Study Material by Supergrads

Table of Contents

1. Which Is the Most Important CAT Quant Topic?
2. Why Focus on These Important CAT Quant Topics?
3. Expected Question Ranges by Topic
4. Top 10 Most Important CAT Quant Topics for 2026
5. Common Mistakes & Traps to Avoid
6. 15-Day CAT Quant Revision Plan
7. Conclusion

CAT 2026 QA: Quick Facts First

The CAT 2026 exam is scheduled for November 29, 2026 (Sunday). Practising CAT PYQs can help you understand the types of Quant questions asked and their difficulty level. Before looking at the most important CAT Quant topics, let’s first understand the section structure based on the CAT 2025 exam pattern.

• Questions in QA: 22
• Sectional time limit: 40 minutes (53 minutes 20 seconds for eligible PwD candidates)
• Marking scheme: +3 for each correct answer; −1 for each incorrect MCQ
• TITA (Type-In-The-Answer): no negative marking
• Total paper: approximately 68 questions across three sections (VARC, DILR, QA) in CAT 2024–2025

The IIMs do not release an official CAT Syllabus. The topics listed below are based on Supergrads' analysis of CAT Quant papers from 2019 to 2025. Use them to plan your revision, as the number of questions from each topic can change every year and across slots.

Whether you have only one month or only a final revision window, these CAT Quant topics deserve your attention first. If you are in the last 15 days before the exam, jump straight to the 15-Day Revision Plan below.

Which is the Most Important CAT Quant Topic?

Arithmetic is one of the most important areas in CAT Quant, especially topics like Time and Work, Time-Speed-Distance, and Percentages. Algebra is also important, with topics such as identities, quadratic equations, indices, and logarithms. It is better to cover Arithmetic first and then move on to Algebra. For a complete list of topics, check the CAT Quantitative Aptitude syllabus.

Get the Top 10 Quant Topics Practice Pack (PYQ-style sets) for Last Phase Revision

Number System Formula PDF	Download PDF
Arithmetic Formula PDF	Download PDF
Number Theory Formula PDF	Download PDF
Quadratic Equation Formula PDF	Download PDF
Inequalities Formula PDF	Download PDF
Logarithms, Surds & Indices Formula PDF	Download PDF
Time, Speed & Distance Formula PDF	Download PDF
Linear Equations Formula PDF	Download PDF
Ratio, Proportion & Variations Formula PDF	Download PDF
Simple Interest - Compound Interest Formula PDF	Download PDF
Profit & Loss Formula PDF	Download PDF

Why Focus on these Important CAT Quant Topics?

These high-frequency CAT Quant topics were selected based on:

• Past six years of CAT QA trends (2019–2025)
• Their scoring potential and reliability under time pressure
• Their recurrence across major MBA entrance exams
• Being genuinely achievable within a focused revision window

By mastering these important CAT Quant topics and questions, you position yourself to attempt a meaningful share of the 22 QA questions with strong accuracy - a solid base for a competitive sectional percentile.

Expected Question Ranges by Topic

The estimates below are based on Supergrads faculty analysis of CAT Quant papers from 2019 to 2025. The number of questions from each topic may change from year to year and across slots. The Quantitative Aptitude section has 22 questions in total.

Topic	Expected Questions (Approx.)	Difficulty	Priority
Arithmetic	8–10	Easy–Moderate	★★★★★
Algebra	5–7	Moderate	★★★★★
Geometry & Mensuration	3–4	Moderate–Hard	★★★★☆
Modern Math (P&C, Probability)	2–3	Moderate	★★★★☆
Number System	1–2	Moderate	★★★☆☆

Top 10 Most Important CAT Quant Topics for 2026

1. Arithmetic (Highest Priority)

Expected Questions: 8–10

Difficulty: Easy to Moderate

Arithmetic consistently dominates CAT Quant and remains the single most important area to prepare. If you are short on time, this is where your CAT preparation should begin.

Key Subtopics:

• Percentages
• Profit & Loss
• Simple & Compound Interest
• Ratio & Proportion
• Averages
• Mixtures & Alligations
• Time, Speed & Distance
• Time & Work
• Pipes & Cisterns

Why it matters: Arithmetic syllabus questions are generally calculation-light but concept-heavy. Strong conceptual clarity and consistent practice can help you solve these questions quickly and accurately.

2. Algebra

Expected Questions: 5–7

Difficulty: Moderate

Algebra is another high-weightage topic in CAT Quant. Questions often test conceptual understanding rather than lengthy calculations.

Key Subtopics:

• Linear Equations
• Quadratic Equations
• Functions
• Logarithms
• Indices & Surds
• Inequalities
• Progressions

Why it matters: Mastering Algebra helps in solving a significant portion of CAT Quant questions while also improving logical thinking.

3. Geometry & Mensuration

Expected Questions: 3–4

Difficulty: Moderate to Hard

Geometry requires strong conceptual understanding and visualisation skills. Most questions are based on standard properties and theorems.

Key Subtopics:

• Triangles
• Circles
• Quadrilaterals
• Polygons
• Coordinate Geometry Basics
• Area & Perimeter
• Volume & Surface Area

Why it matters: Geometry questions often reward students with clear fundamentals rather than advanced mathematics.

4. Modern Mathematics

Expected Questions: 2–3

Difficulty: Moderate

Although Modern Mathematics carries relatively fewer questions, they are generally scoring if the concepts are well understood.

Key Subtopics:

• Permutations & Combinations
• Probability
• Set Theory
• Binomial Theorem

Why it matters: These questions are often formula-based and become easy to solve with regular practice.

5. Number System

Expected Questions: 1–2

Difficulty: Moderate

While Number System contributes fewer questions, it forms the foundation of several Quant topics and frequently appears in combination with Algebra and Arithmetic.

Key Subtopics:

• Divisibility Rules
• Factors & Multiples
• HCF & LCM
• Remainders
• Factorials
• Base Systems

Why it matters: A strong understanding of Number System concepts improves problem-solving speed across multiple CAT Quant topics.

1. Time and Work

Time and Work is an important topic in CAT Quant, and questions from this chapter have appeared regularly in past CAT papers. Focus on questions based on individual work, efficiency, and people working together. When two people work at different speeds, calculate their work rates carefully before combining them.

Practice set: Time and Work CAT questions

2. Time, Speed, and Distance

Time, Speed, and Distance is another important Arithmetic topic. You can expect around two to three questions from this area, though the number may vary each year. Practise questions on trains, boats and streams, races, and relative speed. For equal distances travelled at different speeds, remember that average speed is not simply the average of the two speeds.

Practice set: Time, Speed and Distance CAT questions

3. Averages, Mixtures, and Alligations

These topics deal with average values and mixing different quantities. Practise weighted averages and learn how to use alligation to solve mixture questions. A common mistake is using the actual quantities instead of the differences between the values when finding the alligation ratio.

Practice set: Averages CAT questions

4. Ratio, Proportion, and Partnership

Ratio and proportion are basic CAT Quant topics that are useful in many types of questions. They also help in solving partnership problems, where profit depends on the amount invested and the time for which it is invested. Make sure you consider both factors while calculating each partner's share.

Practice set: Ratio and Proportion CAT questions · Partnership questions

5. Percentages, Profit, Loss, Discount, Simple and Compound Interest

These topics are all based on percentages, so learning the basics will help you solve different types of questions. You can expect around two to three questions from this group. Be careful when solving questions involving successive percentage changes, as you need to calculate each change separately rather than simply adding or subtracting the percentages.

Practice set: Percentage CAT questions

6. Algebraic Identities

Algebraic identities appear frequently across CAT slots, directly or indirectly. Knowing your formulas - such as (a+b)², (a−b)², a²−b², and (a+b)³ - and applying them quickly can simplify otherwise lengthy problems. Common trap: forcing expansion where a clean identity would collapse the expression in one step.

Practice set: CAT Algebra questions · Algebra topics for CAT

7. Indices, Surds, and Logarithms

You can expect around 1–3 questions from this topic. Practise the basic rules of exponents, roots, and logarithms to solve these questions more easily. While solving logarithm questions, be careful with sign rules and changing the base, as small mistakes can lead to a wrong answer.

Practice set: CAT Logarithm questions with answers

8. Linear Equations

Linear equations are a basic part of Algebra and can also be used in questions from other topics. Practise solving equations with one or more variables and learn how to turn word problems into equations. A common mistake is setting up the equation incorrectly, so read the question carefully before solving.

9. Quadratic Equations

Quadratic equations are an important part of CAT Quant. Practise finding roots, using the relationship between roots and coefficients, and solving equations with different methods. Also, learn how to use the discriminant to check whether the roots are real, equal, or distinct.

Practice set: CAT Maths questions

10. Modulus-Based Equations

Modulus questions become easier once you understand the concept of absolute value. These questions may also involve linear or quadratic equations. One common mistake is forgetting to check both positive and negative cases while solving a modulus equation.

Practice set: CAT Modulus questions

Scope note: CAT Quant also includes Geometry, Mensuration, and Number System. The 10 topics listed above are meant to help you focus on important chapters when you have limited time to revise. Once you have covered these topics, move on to the remaining ones as time permits. For more practice, check our CAT Quantitative Aptitude questions page.

Do these CAT Quant Topics Help in Other MBA Exams?

These basic Quant topics are also useful for XAT, NMAT, and SNAP. However, each exam has a different question pattern, difficulty level, and number of questions. So, prepare according to the exam you are targeting instead of relying only on CAT preparation. You can also read whether CAT preparation is enough for XAT and practise XAT Time and Work questions.

CAT Mock-Test & Revision Routine

Take sectional and full-length mocks at the same time as your actual CAT exam slot. This will help you get used to solving questions under exam conditions.

After each mock, follow these steps:

1. Note down your mistakes and check whether they were due to a lack of understanding, calculation errors, or lack of time.
2. See if you are making the same mistakes in particular CAT Quant topics.
3. Try solving those questions again without a timer to understand the correct method.
4. Read our guide on how to analyse CAT Mock Tests to review your performance and avoid repeating the same mistakes.

CAT Quant Preparation in 15 Days: A 4-Step Plan

If you have just 15 days left for CAT 2026, focus on revising important topics and practising questions you have already studied. Here are four steps to help you use these days well.

1. Start with Important Quant Topics

Give more time to Arithmetic, Algebra, and Number System. Revise their basic concepts and solve questions from each topic. Spend less time on topics you have already covered well or that need only a quick revision.

2. Keep a Formula Sheet and Note Your Mistakes

Make a list of important CAT Quant formulas and revise it every day. Also, note down the mistakes you make while solving questions. Go through this list regularly so you can work on the same problems before the exam.

3. Practise CAT Previous Year Papers and Mock Tests

Solve CAT previous-year papers with a timer to get an idea of the actual exam. Try to take 5-7 sectional or full-length mock tests in the last 15 days. After each test, check your answers and spend time on the topics where you made mistakes.

4. Be Smart About Your Attempts

You do not need to attempt every CAT Quant question. Pick the ones you understand and can solve correctly. Start with your stronger topics, and skip difficult questions if they are taking too much time. Once you finish the easier ones, return to the questions you left.

For more help, read our guides on CAT last-minute preparation tips and how to crack CAT in 15 days. Want to check your preparation? Practise with Supergrads CAT QA resources and mock tests.

How to Maximise Your CAT QA Score in 2026

Revising these 10 important CAT Quant topics can help you prepare for a good portion of the 22 questions in the QA section. Focus on the topics you are comfortable with and try to solve questions correctly rather than attempting too many in a hurry. Your final percentile will depend on the paper's difficulty level and slot normalisation.

Scoring well in QA can help you clear the sectional cutoff, but it does not guarantee an IIM call or admission. IIMs also consider your overall CAT score and other factors, as per their admission criteria. Check the IIM selection criteria and CAT cut-off for IIM to know more. After the results are declared, use the CAT percentile predictor to estimate your percentile.

For the final days of preparation:

• Practise all 10 CAT Quant topics and give more time to areas where you make mistakes.
• Revise important formulas and shortcuts every day.
• Solve CAT previous year papers to understand the question types and difficulty level.

Conclusion

In the final days before CAT, focus on the topics you know well instead of trying to cover everything at once. Revise these 10 important CAT Quant topics, go through your mistakes, and use your last five to seven mock tests to see where you need more practice. Try to solve questions accurately from your strong areas rather than rushing through all 22 questions.

Next in your CAT 2026 preparation: Start preparing for the CAT GDPI stage alongside your exam preparation so you are ready for the admission process once the results are announced.