UPSC Prelims Answer Key 2025 (Unofficial): Check CSAT, GS Paper 1 and Paper 2 Set-wise, Download PDF
UPSC Answer Key 2025: The unofficial UPSC Prelims Answer Key 2025 for GS Paper 1, CSAT Paper 2, and Sets A/B/C/D is available for download in PDF. With the help of UPSC Answer key 2025 candidates will be able to check their estimated marks start preparing for next phase of examination.
UPSC Answer Key 2025: The Union Public Service Commission (UPSC) conducts the prelims exam on May 25, 2025 to shortlist eligible candidates for IAS, IPS and other Group A services. Candidates who appeared for the exam must check the UPSC Answer Key 2025 released by leading coaching institutes. These answer keys help candidates estimate their scores and gauge their performance before the official results are declared. Candidates who have appeared in the examination are eagerley waiting for the UPSC Prelims 2025 Answer Key for the exam on May 25, 2025. Leading coaching institutes release unofficial answer keys to help candidates assess their performance before UPSC declares the official results.
Those preparing for the UPSC Exam can check this page for the UPSC Unofficial Answer Key 2025. The UPSC Answer Key 2025 will be provided in a PDF format. Aspirants can simply click on the PDF link to download the answer key.
UPSC Answer Key 2025: Overview
The UPSC Answer Key helps candidates in accessing their performance and calculate their estimated marks before the release of the result. Check the table below for UPSC Answer Key 2025 key highlights.
| Exam Conducting Body | Union Public Service Commission (UPSC) |
| Exam Name | Civil Service Preliminary Exam 2025 |
| Exam Date | May 25, 2025 |
| UPSC Prelims Papers | General Studies Paper I - 9:30 to 11:30 General Studies Paper II - 2:30 to 4:30 |
| Mode of Exam | Offline |
| Total Marks | 400 (200 Each Paper) |
| Negative Marking | 1/3rd for Incorrect Answers |
| Language | English and Hindi |
| Official Website |
UPSC Unofficial Answer Key 2025
Since UPSC does not release an official answer key, aspirants should check an unofficial answer keys provided by top coaching institutes. These keys are prepared by subject experts and are highly reliable for preliminary assessment.
Also Check,
UPSC Answer Key 2025 by Drishti IAS
UPSC Answer Key 2025 by Insights IAS
UPSC Answer Key 2025 by Vajiram and Ravi
UPSC Answer Key 2025 by Jagran Josh
Candidates can check the table below for UPSC Answer Key 2025 for GS Paper set B. The answer key provided below are not the official answer keys, the official answer key will be released by UPSC. Check the table below for UPSC Unofficial Answer Key 2025 for Set B
| Number of Question | Correct Option | Number of Question | Correct Option | Number of Question | Correct Option | Number of Question | Correct Option |
| 1 | D | 26 | C | 51 | D | 76 | C |
| 2 | D | 27 | B | 52 | C | 77 | C |
| 3 | C | 28 | D | 53 | C | 78 | |
| 4 | C | 29 | B | 54 | D | 79 | B |
| 5 | B | 30 | C | 55 | A | 80 | D |
| 6 | B | 31 | B | 56 | D | 81 | D |
| 7 | C | 32 | A | 57 | A | 82 | C |
| 8 | 33 | B | 58 | A | 83 | A | |
| 9 | D | 34 | B | 59 | A | 84 | A |
| 10 | A | 35 | D | 60 | B | 85 | C |
| 11 | B | 36 | C | 61 | A | 86 | D |
| 12 | D | 37 | A | 62 | A | 87 | D |
| 13 | B | 38 | A | 63 | C | 88 | A |
| 14 | A | 39 | A | 64 | B | 89 | D |
| 15 | A | 40 | A | 65 | A | 90 | B |
| 16 | C | 41 | B | 66 | A | 91 | B |
| 17 | D | 42 | C | 67 | C | 92 | C |
| 18 | C | 43 | D | 68 | D | 93 | B |
| 19 | B | 44 | D | 69 | D | 94 | A |
| 20 | B | 45 | C | 70 | A | 95 | C |
| 21 | C | 46 | C | 71 | D | 96 | C |
| 22 | C | 47 | A | 72 | A | 97 | A |
| 23 | B | 48 | C | 73 | D | 98 | A |
| 24 | A | 49 | C | 74 | C | 99 | C |
| 25 | B | 50 | C | 75 | A | 100 | D |
GS Paper 1 Answer Key by Insights IAS
SET A
Institutes Providing UPSC Answer Key 2025
Leading IAS coaching centres will release their tentative answer keys, including:
- Drishti IAS
- Vision IAS
- Vajiram and Ravi IAS
- Forum IAS
- Insights IAS
- GS Score
- Clear IAS
How to Use the UPSC Answer Key 2025?
Candidates should download the UPSC Answer Key 2025. Check the steps below to download the UPSC unofficial answer key 2025 from leading institutes.
- Visit the respective institute’s website or trusted education portals.
- Match Your Responses – Compare your marked answers with the provided solutions.
- Calculate Expected Score – Deduct negative marks (1/3rd for wrong answers) to estimate your total score.
- Analyze Cut-off Trends – Compare your score with previous years’ cut-offs to assess qualification chances.
Mohd Salman is a Senior Content Expert with over 6.5 years of experience in the education industry. He has a successful track record of building and scaling major content categories for exams such as SSC, Railways, Defence, Police, and State Government Exams. With his technical background, Salman connects editorial strategy with product innovation. Currently, he is driving the conceptualisation and development of interactive digital tools such as Rank Predictors and College Predictors for high stake competitive national examinations such as JEE, NEET and MBA.
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