CDS Mock Test Series 2024, Attempt Free Online Mock Tests (1)
CDS & Defence

CDS Mock Test Series 2024, Attempt Free Online Mock Tests (1)

75 Tests

Attempt Free CDS Mock Test at BYJU'S Exam Prep to analyze and improve the performance! Practice online with CDS Test Series 2024 to score better in the CDS 1 & 2 exam.

  • 60 Mock Tests, 20 Sectional Tests, 24 Prev. Year Papers
  • Based on Latest Exam Pattern
  • Detailed Solution in English
unlock all mock testsFor all 7+ CDS & Defence Exams

CDS : Previous Year Paper Mock Tests

30 Mock Tests
No tests

CDS I 2024 : Sectional Tests

15 Mock Tests
No tests

CDS I 2024 : Mathematics

10 Mock Tests
No tests

CDS I 2024 : General Knowledge

10 Mock Tests
No tests

CDS I 2024 : English

10 Mock Tests
No tests

Upcoming Exams

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State Exams

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Students' Ratings & Reviews

4.531.1k+ reviews
View All
Akash Dudhal
Akash DudhalA definite value addition to my CDS Preparation
The mock test helped me learn the best way to solve the question paper by avoiding frequent mistakes and improve my score.
Aishwarya Pawar
Aishwarya PawarIncredible Explanation
Thank you for providing these mock tests where we can actually have a real kind of practice and judge our preparation level for the exam.
rakesh pandey
rakesh pandeyOverall Good
Thank you for the practice set, these test series are very helpful in providing the right assistance to the students.
Akash Dudhal
Akash DudhalA definite value addition to my CDS Preparation
The mock test helped me learn the best way to solve the question paper by avoiding frequent mistakes and improve my score.
Aishwarya Pawar
Aishwarya PawarIncredible Explanation
Thank you for providing these mock tests where we can actually have a real kind of practice and judge our preparation level for the exam.
rakesh pandey
rakesh pandeyOverall Good
Thank you for the practice set, these test series are very helpful in providing the right assistance to the students.

Attempt CDS Mock Test 2024 Free with BYJU'S Exam Prep's CDS online test series for CDS 2024 English, GK & Maths papers. CDS mock test series has been designed by a team of experts keeping in consideration the latest exam pattern and the same difficulty level.

The CDS Test Series for CDS 1 2024 exam will surely help you to prepare thoroughly and will aid you in knowing how well you will fare on the actual exam day amongst the lakhs of aspirants.

CDS Mock Test 2024 | CDS 1 Exam Overview

Combined Defence Services (CDS) is an organized exam conducted yearly by UPSC for various posts under Indian Air Force Academy, Officer Training Academy, India Military Academy & Indian Naval Academy. The selection for the above-mentioned posts is done on the basis of a written exam and Interview followed by the medical examination & document verification.

To tackle the difficulty level of the exam, you need to take the CDS 1 Mock Test 2024. Candidates who aspire to obtain a career in the Indian army should practice these CDS test series online to get a perfect score and derive maximum marks to crack the cut off with ease. Also, candidates can practice these CDS Test Series daily to tackle the difficulty level and prepare effectively to score better in the CDS 1 2024 examination.

CDS Test Series Schedule

DateCDS Mock TestNo. of Questions
7th September 2023CDS 1 2024 Mock Test 150
28th September 2023CDS 1 2023 Mock Test 250
19th October 2023CDS 1 2023 Mock Test 350
23rd November 2023CDS 1 2023 Mock Test 450
21st December 2023CDS 1 2023 Mock Test 550
18th January 2023CDS 1 2023 Mock Test 650
1st February 2023CDS 1 2023 Mock Test 750
22nd February 2023CDS 1 2023 Mock Test 850
15th March 2023CDS 1 2023 Mock Test 950
5th April 2023CDS 1 2023 Mock Test 1050

CDS Sectional Mock Tests

CDS Sectional MocksDateNo. of Questions
Polity Sectional I14th September 202350
Geography Sectional I28th September 202350
History Sectional I12th October 202350
Maths Sectional I26th October 202350
English Sectional I9th November 202350
Physics Sectional I16th November 202350
Chemistry Sectional I7th December 202350
Current Affairs I14th December 202350
Biology Sectional I28th December 202350
Polity Sectional II11th January 202450
Geography Sectional II8th February 202450
History Sectional II8th March 202450
Maths Sectional II29th March 202450
Current Affairs II6th April 202450
English Sectional II12th April 202450

CDS Previous Year Papers

Previous Year PaperDate
CDS 2017 (1)15th September 2022
CDS 2017 (2)13th October 2022
CDS 2018 (1)27th October 2022
CDS 2018 (2)10th November 2022
CDS 2019 (1)24th November 2022
CDS 2019 (2)8th December 2022
CDS 2020 (1)22th December 2022
CDS 2020 (2)12th January 2023
CDS 2021 (1)27th January 2023
CDS 2021 (2)16th February 2023
CDS 2022 (1)16th March 2023
CDS 2022 (2)30th March 2023

CDS 1 Mock Test Series 2024 Key Features

  • A set of 30 full-length mock tests.
  • CDS Mock solutions to every question is available only in the English language.
  • Subject-wise (English, Maths & GK) Mock test available.
  • Furthermore, you can attempt these CDS mock test series on Mobile as well as on PCs.

Buy CDS Test Series 2024

Buy the CDS mock test to analyze, improve, prepare, and test your exam preparation for the best performance. CDS exam requires in-depth knowledge and conceptual clarity; therefore, regular solving of the CDS mock test is essential. CDS test series covers the entire syllabus in a structural and time-planned manner.

Purchase CDS test series to upgrade the level of preparedness and gain insight into the gaps in your preparation to make necessary improvements. Practice and improve regularly to ace the exam and beat the competition.

How to Take the CDS Mock Test 2024?

Candidates need to follow the steps given below:

  • Open the official website of BYJU'S Exam Prep
  • Click on the Test series tab
  • Select the CDS & Defence section
  • Select the CDS Exam
  • The CDS Mock Test series will appear
  • Make the one-time payment and have access to the mock test series

Benefits of taking CDS Mock Test Series 2024

Purposeful Time-Management

CDS Mock test series helps in promoting time management in the most adequate manner. CDS mock test series provides practice of a wide variety of questions that can be accessed easily on a single platform that ensures the best performance. With effective time management, you can maximize your result in the stipulated amount of time.

Increase your Score

The overall score will see a major boost by taking the CDS Mock Test series. The test series for CDS will give you sufficient practice of a variety of questions in time-bound circumstances. The questions will give you adequate experience with diverse types of questions so that you can easily increase your score without making mistakes.

Retention of Concepts

The CDS Mock Test series is a great resource of the most relevant and reliable study materials. The study resources in the CDS Test series explain the topics in the syllabus covering all the details providing the utmost clarification on the complex topics so that you can easily comprehend and understand the entire syllabus.

CDS 2024 Exam Highlights

Name of exam

Combined Defence Services Examination

Conducted  by

Union Public Service Commission (UPSC)

Exam level


Exam frequency

Twice a year

Exam mode


Exam mode

Two hours

Language of question paper

English and Hindi

Exam Fees

INR 200

Exam purpose

To select candidates as Commissioned Officers in Indian Army, Navy and Air Force

CDS vacancies 

  • CDS 1: To be announced
  • CDS 2: To be announced

No of the test cities


Official website

CDS Syllabus 2024

English Syllabus for CDS Exam

The aim of this section is to test the understanding of English as well as word usage by the candidates. Questions in this section will be asked from the following topics:

  • Fill in the blanks
  • Reading Comprehension
  • Vocabulary (Synonyms/ Antonyms/ Phrases)
  • Sentence Rearrangement (Jumbled sentences)
  • Spotting Error
  • Sentence Improvement/ Correction

General Knowledge Syllabus for CDS Exam

This section aims to check how well the candidates keep up with the current events and how well they understand their surroundings, especially in reference to their scientific aspects.



Current Affairs

Cover news of important international and national summits/ conferences, awards, sports-related news, books, and authors, etc.

Political Science

Important facts of the Indian constitution, fundamental rights, and directive principles, powers of the president and prime minister, constitutional bodies, Indian judiciary, etc.

Indian History

Questions may be asked from Ancient, Medieval, and Modern India.

Indian Polity

Prepare important facts of Indian as well as world geography.


Prepare topics like Budget, Five-year plan, foreign trade, etc.

General Science

  • In Physics, focus on topics like optics, motion, force, units, heat, electricity, temperature, etc.
  • In Chemistry, prepare important topics of organic, inorganic, physical, and general chemistry.
  • In Biology, focus on the topics of important diseases, botany, zoology as well as human biology.

Defence Related News

Questions in this section may be asked from important defence related topics like Army Day, Navy Day, recent developments, etc.

Elementary Mathematics Syllabus for CDS Exam

Questions in the mathematics section will be asked from Arithmetic, Algebra, Trigonometry, Geometry, Mensuration, and Statistics. Here are the details of the topics which will be covered under these sub-sections:




  • Number System (natural, integers, rational & real numbers)
  • Fundamental operations (subtraction, addition, division, multiplication)
  • Unitary method
  • Percentages
  • Time & Work
  • Simple & Compound Interest
  • Time & distance
  • Ratio & proportion
  • Profit & loss
  • Elementary number theory
  • Composite & prime numbers
  • Divisibility tests
  • Theorem of factorisation
  • Factors & Multiples
  • Euclidean algorithm
  • laws of algorithm & algorithmic tables


  • Basic operations
  • Remainder theorem
  • L.C.M. & H.C.F.
  • Polynomial theories
  • Quadratic equations (relation between roots & its coefficients)
  • Linear equations in 2 variables
  • Set language and set notation
  • Laws of indices
  • Conditional identities
  • Rational Expressions


  • All about Sine a, Cos a, Tan a when 0° < a < 90°, Sin, Cos and Tan values of important angles like 0°, 30°, 45°, 60° and 90°
  • Simple trigonometric identities
  • Trigonometric tables
  • Heights and distance


  • Plane & plane figures
  • Lines, and angles
  • Important theorems (like angle property based)
  • Parallel lines
  • Congruency of triangles
  • Medians & Altitudes
  • Similar triangles
  • Parallelogram
  • Circles
  • Rectangle
  • Square


  • Areas of circles
  • Triangles
  • Rectangles
  • Squares
  • Parallelograms
  • Volume
  • Surface area of cuboids
  • Cones
  • Cylinders
  • Spheres


  • Tabulation of statistical data
  • Graphical representation of frequency polygons
  • Bar graphs
  • Histograms
  • Pie charts
  • Measures of central tendency

CDS 2024: Exam Pattern


Officer Training Academy (OTA)









2 hours



2 hours

General Knowledge

General Knowledge

Elementary Mathematics


CDS 1 2024 Exam: Important Dates


Important Dates

CDS 1 2023 Notification Date

21 December 2022

CDS 1 online application starts from

21 December 2022

Last date to apply for CDS 1 exam

10 January 2023

CDS 1 2023 Exam Date

16 April 2023

For any inquiry or issues mail us at Or
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CDS Mock Test Series 2024, Attempt Free Online Mock Tests (1) FAQs
  • How can I unlock the CDS Test Series from BYJU'S Exam Prep?

    If you want to unlock CDS Test Series, follow the given steps:

    • Visit the official website/App of BYJU'S Exam Prep
    • Select ‘CDS & Defence Exam’
    • In the exam page, you will get the tab of ‘Unlock All Mock Tests’
    • On clicking the tab, you will be redirected to a new page of the Test Series
    • After you pay the fees, you will be able to unlock CDS Test Series
  • I have not received the access to the CDS Test Series that I have purchased?

    You can send an email to with the details of transaction. Our team will get in touch with you. Please send the email from the id which you used while transacting.

  • Can I pay through offline mode also?

    No, the only mode of payment we accept is online.

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    When you click on the ‘Buy Now’ button, a new page will load with payment gateways. Choose a suitable gateway to make the payment.

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    You can make the payment through the following modes: 

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  • Can I pay through easy EMIs?

    You can pay through EMIs only in case of certain Live Courses. For Test Series payment, there’s currently no EMI option. For any clarification, please write to us on

  • While doing the transaction, my money has got deducted twice. How should I claim?

    When the transaction is done and we receive your payment, your tests will automatically get unlocked, and you'll receive an activation mail on your registered email ID.

    In case it fails, your money (if deducted) will be credited automatically to your original mode of payment (bank/credit card/wallet). We request you to wait for 5-7 bank working days, and write to us on in case your issue isn't resolved.

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    Please email us the correct details at Our team will get in touch to rectify the errors.

  • How to cancel my CDS Test Series and claim for the refund?

    In case you want to cancel the Test Series and claim for the money back, then we would suggest you send the refund request at The refund will be done on your original payment mode and will be processed on a prorated basis. As per our refund policy, you can claim a refund within 7 days of purchase. Refund can be processed only in case of service not being provided by gradeup, for a maximum of transaction amount proportioned to the unused percentage of product.

  • Can I take the CDS test offline also?

    There is no option available to take the CDS Mock Test in offline mode.

  • Can I pause the test, save it and resume the test later?

    Yes, you can keep the test on pause, and resume it later whenever convenient.

  • Is CDS Test Series by BYJU'S Exam Prep available in Hindi?

    If the exam is Bilingual, you will get the Test Series in both English and Hindi. Thus, the language of the Test Series depends on the exam.

  • Can I reattempt the CDS Test Series?

    No, the re-attempt test option is not available.

  • Can I take the CDS test through my mobile phone also?

    Yes, you can take the test through both BYJU'S Exam Prep App and BYJU'S Exam Prep Website.

  • I am unable to see the Test Series for CDS exam which I have purchased. What should I do now?

    Make sure that you landed on the right page. Visit the main page of Online Test Series.

    In case you are still not able to find the exam, please write to

  • Does BYJU'S Exam Prep provide All India Rank (AIR) after the CDS Test Series result is declared?

    Yes, BYJU'S Exam Prep provides the All India Rank (AIR) after you submit the test.

  • I have lost the internet connection during the Mock Test, what will happen now? Can I resume the test once the connection is back?

    Yes, you can continue the test once the internet connection is back, you don’t need to start the test from the beginning.

  • Does BYJU'S Exam Prep provide solutions to the CDS Test Series after every test?

    Yes, you can check the complete explanation to every question available in the test once you submit the test.

  • Can I download my CDS Test Series in PDF format?

    Kindly note that we’re not providing copy option of our content, questions and solutions in PDF or to download.

  • Are all CDS Mock Tests active right at the start?

    Mock Tests are added as per the scheduled plan. Even before the purchase of the CDS Test Series, you can see the release date of each Mock Test. Usually one new exam is added in every 2-3 days.

  • How can I check the validity of the purchased CDS Test Series? Can it be changed on request?

    Please note that you can check the validity of the purchased CDS Test Series on the purchased email sent to you. Also note that the expiry date of the Test Series is fixed, and it can’t be changed on request.

  • From where I can attempt weekly Live Test. When the result will be out?

    Please note that you can attempt the weekly Live Test from the link shared over the notification mail. Once the analysis of the result is completed by our team, the result will be shared with you over the mail. Also, note that the result link shared over the email will remain active for 2-3 days.

  • I had access to the CDS Test Series, but it is showing ‘Buy Now’. What can I do?

    Please note that this may happen due to the following reasons:

    • This must be cache problem in your device, in this case we suggest you to clear the cache of your device
    • You might have logged in and paid from a different email id.

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