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This space will cover in detail how to prepare Maths for the UPSC CDS Examination. The Combined Defence Services Exam 2023 preparation suggestions mentioned here would be useful for all applicants preparing to take the next CDS test. You may also read CDS Eligibility 2022General Knowledge Ebook Free PDF: Download Here  Current Affairs Ebook Free PDF: Download Here  Attempt Free Mock Tests Click Here 
How To Prepare Maths For CDS
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1. Strategic approach: To be able to score marks in the math section, you need to make sure that you attempt questions with accuracy.
The number of attempts should be balanced as the negative marking does exist in the CDS exam.
Each question carries one mark.
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The key point to ace this section is to maintain a balance of accuracy and efficiency.
2. Set realistic goals: Have a look at the math syllabus and then divide your preparation time into different topics. Allot more time for difficult topics like trigonometry and mensuration. Set weekly goals so that you can track your progress on different topics and also identify the topics you are weak in. Try to give some extra time to strengthen your weaker topics by solving more and more questions related to that topic.
While studying, make notes of important formulas so that you can revise them from time to time.
This will help you to learn those formulas by heart.
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3. Follow the right study material: Some of the books you can go for to prepare the CDS syllabus include:
 NCERT
 Arihant Pathfinder
 Mathematics for CDS by RS Aggarwal
 Quantum CAT by Sarvesh Verma,
 Quantitative Aptitude for examinations paperback by RS Aggarwal, etc.
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4. Topicwise weightage: Analyze the previous year's question papers to determine the pattern of the exam. Focus more on topics accordingly. For instance, you get very easy questions based on chapters related to statistics like bar charts, pie charts, measuring central tendency frequency polygons, etc.
Given below is some analysis drawn from the previous year's question papers.
You can schedule your study plan according to it but remember, it can change.
So, make sure you cover the entire syllabus.
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Most Difficult Questions
The level of questions you get on concepts like surface area and volume of rectangles, parallelograms, cuboids, etc. will be slightly difficult. To prepare for these concepts you need to learn the formulas by heart and also work on your calculation speed. Try solving more and more questions based on these concepts as this will help you to memorize the formulas quite well.
HIGH WEIGHTAGE TOPICS:
Questions on Geometry and trigonometryrelated concepts such as properties of angles, congruency of triangles, medians, tangents, etc.
are most commonly asked.
Hence, these topics carry very high weight in CDS exams.
Try to develop full command of chapters like line & angles, triangles, circles, trigonometry, and applications of trigonometry by thoroughly understanding the concepts involved.
To know all about the NDA Exam, read the belowlinked articles:
NDA Syllabus  NDA Salary 
Best Books for NDA  NDA Cut Off 
BASIC Topics:
Topics like number systems, time and work, percentages, averages, HCF, LCM, and quadratic equations are very easy to understand and consume less time. Therefore, if you are not that good in math then you can start your preparation with such topics. It will help to develop conceptual clarity along with boosting your confidence.
5. Revise: Until and unless you revise you won’t be able to memorize things. This can cause problems for you in the final exam. All the formulas and concepts should be at your fingertips only then will you be able to complete your exam correctly and on time.
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UPSC NDA Maths Syllabus
Topic  NDA Syllabus 
ALGEBRA 

MATRICES AND DETERMINANTS 

TRIGONOMETRY 

ANALYTICAL GEOMETRY OF TWO AND THREE DIMENSIONS 

DIFFERENTIAL CALCULUS 

INTEGRAL CALCULUS AND DIFFERENTIAL EQUATIONS 

VECTOR ALGEBRA 

STATISTICS AND PROBABILITY  Statistics :
Probability :
