UPSC Prelims Answer Key 2025, GS and CSAT Unofficial Answer

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This post will provide the unofficial UPSC Prelims Answer Key 2025 for the General Studies and CSAT papers due on May 25, 2025. To obtain the genuine answer keys and solution, candidates who studied for today’s exam and are searching for the UPSC Answer Key should keep checking back with us.
UPSC Prelims Answer Key 2025, GS and CSAT Unofficial Answer Keys

The UPSC Prelims Exam for Civil Services was successfully held on May 25, 2025, and those who took the test today should be eager to see the UPSC Prelims Answer Key 2025. Following the UPSC Final Result 2025, the official UPSC Answer Key 2025 for both GS Paper 1 and CSAT will be made available. Prior to that, candidates can consult the unofficial answer key, which our faculty has created after analyzing the exam’s questions. The UPSC CSE Answer Key will assist candidates in determining their right and wrong answers as well as how many points they will receive in the UPSC Prelims test.

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UPSC Prelims Answer Key 2025

The Civil Services Examination is a national competitive examination in India conducted by the Union Public Service Commission (UPSC) for recruitment to higher Civil Services. Candidates who appeared in the UPSC Exam 2025 can evaluate their performance using the UPSC Prelims Answer Key 2025 prepared by our expert faculty. The answer key will be shared here shortly.

UPSC Prelims Answer Key 2025 Overview

OrganizationUnion Public Service Commission (UPSC)
Name of ExamUPSC IAS Exam 2025
Vacancies1129
PostsIAS, IPS, IFS, IRS, etc.
Prelims Exam Date25th May 2025
Answer Key (Unofficial)25th May 2025
Answer Key (Official)After Final Result
No. of QuestionsPaper 1: 100 | Paper 2: 80
Marking SchemePaper 1: +2, -0.66 | Paper 2: +2.5, -0.83
Selection ProcessPrelims, Mains, Interview
Official Websitewww.upsc.gov.in

UPSC Prelims 2025 Answer Key (Unofficial)

The unofficial UPSC Prelims Answer Key 2025 will help applicants evaluate their responses and calculate probable scores before the official key is released.

UPSC CSE Prelims 2025 General Studies Paper 1 – Set B

The correct answers to all 100 questions will be updated below soon.
QuestionsAnswersQuestionsAnswersQuestionsAnswersQuestionsAnswers
1265176
2275277
3285378
255075100
UPSC Prelims Question Paper 2025 – Click to Download

UPSC Prelims 2025 Answer Key – Marking Scheme

The marking scheme helps candidates calculate approximate marks for Paper 1 and Paper 2 using the unofficial or official answer key.
ParticularsPaper 1Paper 2
Correct Answer+2+2.5
Incorrect Answer-0.66-0.83
Unanswered00
No. of Questions10080
Total Marks200200

Steps to Download UPSC Answer Key 2025 (Official)

  1. Visit the official UPSC website: www.upsc.gov.in
  2. Click on “Examination” in the main menu, then select “Answer Keys”.
  3. Locate and click the link for “Civil Service Preliminary Examination Answer Key 2025”.
  4. The PDF will open in a new tab. Download it and match your answers.

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