NDA 1 2025 Answer Key; Check UPSC NDA Mathematics and GAT All Set Unofficial Answer Key

Sep 9 2025 4:09PM, Mayank Gupta

UPSC NDA 1 2025 Answer Key: The NDA 1 2025 Answer Key is an important tool for all candidates who appeared for the National Defence Academy exam conducted by UPSC on April 13, 2025. With the help of the answer key, students can check the correct solutions for every question asked in the exam. By comparing their own responses with the answers provided by experts, candidates can easily calculate their approximate score before the official result is declared.

The NDA answer key is especially useful because it helps aspirants understand how well they performed in both papers — Mathematics and the General Ability Test (GAT). Knowing the expected marks gives them an idea of whether they are likely to clear the written exam cutoff or not. This also reduces stress and provides clarity about the next steps in the selection process. This will also help the aspirants who are going to appear for the NDA 2 2025 exam, which is scheduled to be conducted on September 14.

In this article, we are providing the NDA 1 2025 Answer Key for both Mathematics and GAT papers, so that candidates can download it, check their answers, and plan their preparation strategies accordingly.

Also Check,

NDA 2025 English Important Questions with Answers, Check NDA English Most Repeated Questions

NDA 2025 GK 50+ Important Questions with Answer, Check NDA General Knowledge Most Repeated Questions

NDA 2025 Maths Important Questions with Answers, Check NDA Mathematics Most Repeated Questions

NDA 1 Answer Key 2025

The NDA 1 2025 Answer Key is an essential tool for candidates to assess their performance and plan their next steps. While the official key is the final reference, the unofficial answer keys provide quick insights and relief for anxious aspirants. Stay connected with us for the latest updates on NDA1 2025. Apart from score calculation, the answer key also helps students analyze their strengths and weaknesses. They can identify the type of mistakes made, the topics where they lost marks, and areas where they need more revision. This analysis is extremely helpful for those who are preparing for the next NDA exam or for the upcoming stage, the SSB Interview.

Also Check,

NDA Previous Year Cutoff; Check Year-wise Qualifying Marks for Written Exam & Final Selection

[With Solution] NDA Previous Year Question Paper; Free PDF Download for Practice

NDA 1 2025 Mathematics Answer Key

NDA 1 2025 Mathematics Set A Answer Key
1	b	25	c	49	d	73	c	97	d
2	b	26	d	50	c	74	a	98	c
3	b	27	d	51	a	75	d	99	b
4	a	28	b	52	d	76	a	100	a
5	a	29	d	53	a	77	a	101	c
6	c	30	b	54	b	78	c	102	c
7	d	31	b	55	d	79	c	103	d
8	a	32	a	56	b	80	d	104	c
9	b	33	c	57	c	81	b	105	b
10	b	34	a	58	d	82	b	106	a
11	b	35	b	59	b	83	b	107	c
12	a	36	c	60	b	84	d	108	a
13	a	37	c	61	b	85	c	109	a
14	c	38	a	62	c	86	d	110	d
15	c	39	b	63	d	87	c	111	c
16	a	40	a	64	a	88	a	112	a
17	c	41	c	65	b	89	a	113	a
18	c	42	d	66	d	90	c	114	b
19	c	43	c	67	c	91	d	115	b
20	c	44	c	68	b	92	c	116	b
21	c	45	b	69	a	93	c	117	b
22	b	46	b	70	a	94	d	118	c
23	d	47	c	71	c	95	d	119	b
24	b	48	b	72	c	96	c	120	c

NDA 1 2025 GAT Answer Key

NDA 1 2025 GAT Set A Answer Key
1	d	31	b	61	a	91	c	121	d
2	a	32	a	62	b	92	c	122	c
3	c	33	b	63	c	93	d	123	d
4	a	34	d	64	b	94	b	124	a
5	a	35	a	65	a	95	d	125	b
6	a	36	b	66	a	96	b	126	a
7	b	37	a	67	c	97	d	127	c
8	b	38	c	68	d	98	d	128	b
9	a	39	b	69	a	99	b	129	d
10	a	40	c	70	b	100	b	130	c
11	a	41	c	71	d	101	a	131	d
12	b	42	d	72	b	102	a	132	b
13	c	43	b	73	d	103	c	133	d
14	d	44	c	74	a	104	d	134	c
15	c	45	a	75	c	105	d	135	d
16	a	46	a	76	a	106	b	136	a
17	b	47	b	77	b	107	a	137	b
18	d	48	d	78	b	108	a	138	c
19	a	49	c	79	d	109	a	139	b
20	a	50	d	80	c	110	a	140	a
21	d	51	c	81	d	111	b	141	a
22	d	52	d	82	b	112	d	142	a
23	b	53	a	83	a	113	c	143	a
24	d	54	b	84	c	114	d	144	a
25	d	55	b	85	c	115	b	145	c
26	a	56	a	86	c	116	a	146	d
27	b	57	b	87	c	117	b	147	c
28	d	58	b	88	d	118	d	148	b
29	b	59	a	89	d	119	c	149	b
30	c	60	d	90	d	120	a	150	c

How to Use the NDA Unofficial Answer Key 2025?

Follow these steps to calculate your estimated score:

Step 1: Download the answer key pdf provided below.

Step 2: Compare your responses with the given answers.

Step 3: Use the official marking scheme to calculate your score.

Step 4: Calculate your total score based on correct and incorrect responses.

Benefits of Checking the NDA Unofficial Answer Key

Before the NDA official answer key is released by the Union Public Service Commission (UPSC), checking unofficial answer keys can provide several advantages to NDA aspirants.

Helps students predict their scores and rank before the official results.
Provides a detailed exam analysis and helps in identifying mistakes.
Gives an early idea of expected cut-offs and eligibility for JEE Advanced 2025.
If a student scores well, they can start preparing for JEE Advanced without waiting for the official results.

NDA 1 2025 Exam Highlights

The NDA Exam is being conducted by the Union Public Service Commission (UPSC) for admission to the Army, Navy, and Air Force wings of the National Defence Academy and Indian Naval Academy Course (INAC). The selection process includes a written examination followed by the SSB interview for shortlisted candidates. The NDA exam comprises two papers: Mathematics and General Ability Test (GAT), carrying a total of 900 marks. Successful candidates undergo rigorous training at the NDA in Khadakwasla, Pune, to serve as commissioned officers in the Indian Armed Forces.

Exam Name	National Defence Academy (NDA) 1 2025
Conducting Body	Union Public Service Commission (UPSC)
Exam Mode	OMR-Based Test
Subjects Covered	Mathematics General Ability Test (GAT)
Total Marks	Mathematics: 300 GAT: 600
Total Questions	Mathematics: 120 GAT: 150
Exam Duration	2.5 hours for each paper
Marking Scheme	Mathematics: +2.5 marks for every correct answer GAT: +4 marks for every correct answer One third mark will be deducted for each incorrect response
Selection Process	Written Exam SSB Interview Medical Test Final Merit List

Vidyarohi Learning