CDS-1 2026 Exam Answer Key English, G.K & Maths (All Sets)

The Union Public Service Commission (UPSC) has successfully conducted the CDS written exam across various centres in India. It’s a large-scale examination, as it brings together thousands of aspirants who dream of proudly serving the nation as officers in the Indian Army. If you appeared for the CDS-1 2026 exam and want to find the answer key, you are in the right place. Centurion Defence Academy has provided the CDS-1 2026 Exam answer key of English, GK and Maths in this article.

Each year, thousands of defence aspirants participate in this examination. It includes three key subjects, which cover language, general knowledge, and numerical ability

English
General Knowledge (G.K)
Elementary Mathematics

Each of these papers was prepared in four different sets – A, B, C, and D to maintain the exam’s fairness and security.

Why Is The CDS-1 2026 Exam Answer Key So Important?

Once the exam is over, every aspirant is eager to know their performance. The CDS-1 2026 Exam answer key helps you:

Cross-check your answers
Get an estimate of your score
Understand tricky or confusing questions that seemed unclear during the exam

This makes it easier to evaluate your chances before the official result is out.

CDS-1 2026 Answer Keys for All Sets – Download Now

The Centurion Defence Academy has organised the CDS-1 2026 Exam answer keys according to subjects in a simple table format, which makes downloading the exact key much easier for you. All you need to do is just click on the respective link and start verifying your answers.

Paper	Set	Download Link
English	A	[CDS-1 2026 English Set A Answer Key]
	B	[CDS-1 2026 English Set B Answer Key]
	C	[CDS-1 2026 English Set C Answer Key]
	D	[CDS-1 2026 English Set D Answer Key]
General Knowledge	A	[CDS-1 2026 G.K Set A Answer Key]
	B	[CDS-1 2026 G.K Set B Answer Key]
	C	[CDS-1 2026 G.K Set C Answer Key]
	D	[CDS-1 2026 G.K Set D Answer Key]
Elementary Mathematics	A	[CDS-1 2026 Maths Set A Answer Key]
	B	[CDS-1 2026 Maths Set B Answer Key]
	C	[CDS-1 2026 Maths Set C Answer Key]
	D	[CDS-1 2026 Maths Set D Answer Key]

How To Use The Answer Key Effectively?

Identify Your Set: First, identify which set you had in the exam hall. This must be printed on your question paper.
Match Your Answers: Go question by question and check the options you selected with the official key.
Calculate Your Score: The CDS exam has a negative marking scheme in each subject. You lose one-third of a mark for each wrong answer. So, count your correct and incorrect answers carefully to calculate your tentative score.
Stay Objective: Every aspirant makes mistakes, but it is important not to panic if you make any mistakes, because this is just an estimate. The final result is yet to come.

Where Can You Get The Official CDS-1 2026 Exam Answer Key?

On the UPSC website, one can find the answer key to CDS-2 2025. Apart from this, some renowned coaching institutions, such as Centurion Defence Academy, provide their students with answer keys that have been explained in an easy-to-understand manner.

Why Trust Centurion’s CDS-1 2026 Answer Keys?

Centurion’s answer keys are created after consideration by subject-matter experts who have reviewed the entire exam paper. These answer keys are accurate and refreshed based on official sources and deep expertise; therefore, rest assured, these answer keys will create the best-informed answer key.

What’s Next After Checking Your Score?

After you have your approximated marks:

Verify the anticipated cut-off marks, as published by UPSC.
Prep up for the next stage – the SSB Interview.

Even if the score isn’t as good as anticipated, don’t lose confidence. With the right mindset and serious preparation, success is still in sight.