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UPSC Prelims Answer Key 2018 Released – Check IAS Prelims Answers Set A B C D

In this article, we’re giving UPSC Prelims Answer Key for UPSC Prelims Exam 2018, held on 3rd June 2018. In case you’re looking for previous years’ UPSC Prelims Question Papers, you can download them here. The UPSC 2018 Answer key for IAS Prelims (CSAT) contains accurate answers for the UPSC Prelims 2018.

The UPSC Prelims Exam paper had Multiple Choice Questions (MCQs). For each question, there are four options. Candidate had to select one option among them.

UPSC Prelims Answer Key: How will it help?

Candidates can refer UPSC 2018 Answer key of Prelims exams to analyse the exam performance. Civil Services Prelims question papers with answers are useful for candidates who will appear for the exam next year as well. They can prepare for the IAS prelims CSAT exam by solving the UPSC 2018 Answer Key of IAS Prelims.

UPSC Prelims Answer Keys given here, will help you get an idea about your performance. If you are scoring more than 55% marks, then you can start your preparation for UPSC Mains examination.


UPSC Prelims Answer Key 2018

UPSC Prelims Answer key 2018 contains answers to questions asked on the following topics.

  • Current events,
  • Indian history and National movement,
  • Geography,
  • Indian polity,
  • Development – Economics and Social,
  • Environmental ecology and bio diversity issues,
  • General science.

Download UPSC IAS Prelims Answer Key 2018

UPSC IAS Prelims 2018 Answer Key for Set A B C D

1 B D B A
2 D A C D
3 C C B B
4 B A A B
5 A B A A
6 C B C B
7 A B A D
8 D B A D
9 C D D C
10 A A B D
11 C B A B
12 D D A A
13 D C A B
14 D B C C
15 C C B C
16 A B B B
17 B B B D
18 D C B C
19 A C A B
20 B D B A
21 B C C C
22 B C D A
23 A B C D
24 B A B C
25 B D C A
26 D C D C
27 D C A D
28 A C C D
29 A C A D
30 A D B C
31 A B B B
32 A C B B
33 A B B C
34 C A D C
35 B A A D
36 B C B C
37 B A D C
38 B A C B
39 A D B A
40 B B C D
41 C B A C
42 D D D C
43 C C B C
44 B B B C
45 C A A D
46 B C B D
47 B A D A
48 C D D C
49 C C C A
50 D A D B
51 C C B B
52 C D A B
53 B D B B
54 A D C D
55 D C C A
56 C A B B
57 C A B D
58 C A C C
59 C C C B
60 D B D C
61 A B C A
62 D B C B
63 B B B D
64 B A A A
65 A B D B
66 B C C B
67 D D C B
68 D C C A
69 C B C B
70 D C D B
71 B A A D
72 A D B D
73 B B D A
74 C B A A
75 C A B A
76 D B B B
77 A D B C
78 C D A B
79 A C B A
80 B D B A
81 B B D C
82 B A D A
83 B B A A
84 D C A D
85 A C A B
86 B A B A
87 D B D A
88 C D C A
89 B A B C
90 C B A B
91 B B C B
92 C B A B
93 B A D B
94 A B C A
95 A B A B
96 C D C C
97 A D D D
98 A A D C
99 D A D B
100 B A C C

UPSC Prelims Answer Key 2017


The Union Public Service Commission is conducting the Civil Services 2017 preliminary exam for IAS and IFS on June 18, 2017. Usually there are four separate sets of papers – Set A, Set B, Set C, Set D. As soon as the paper is over, the question paper is gone through, questions are solved, and answer key of each set is posted.

UPSC Prelims Answer Key 2017- GS Paper 1- Set A

Students looking for UPSC Prelims Answer Key for GS Paper, in specific, can refer to the answer key given below.

Q. No.
Q. No.
Q. No.
Q. No.
Q. No.
Q. No.
1  D 16  B 31  C 46  C 61  B 76  D 91 A
2  C 17  D 32  A 47  A 62  D 77  B 92 A
3  A 18  C 33  C 48  A 63  B 78  C 93  C
4  A 19  C 34  C 49  B 64  B 79  C 94  D
5  A 20  B 35  D 50  D 65  B 80  B 95  B
6  B 21  D 36  D 51  C 66  C 81  C 96  B
7  B 22  C 37  D 52  A 67  A 82  A 97  C
8  C 23 A 38 B 53  B 68  B 83  D 98 A
9  A 24  B 39  C 54  C 69  A 84 C 99  B
10  B 25  D 40  A 55  D 70  A 85  D 100  D
11  A 26  D 41  D 56  B 71  D 86  D
12  B 27  A 42  A 57  C 72  B 87  B
13  C 28  D 43  A 58  C 73  D 88  A
14  C 29  C 44  A 59  C 74 C 89 B
15  D 30 B 45  D 60  B 75  A 90  D


Download UPSC Civil Services Prelims Exam CSAT Answer Keys- for past years (Official)

Exam Question paper Answer key
Civil Services (Preliminary) Examination, 2016 GS Paper I 

GS Paper II

GS Paper I 

GS Paper II

Civil Services (Preliminary) Examination, 2015 GS Paper IGS Paper II GS Paper IGS Paper II
Civil Services (Preliminary) Examination, 2014 GS Paper IGS Paper II GS Paper IGS Paper II
Civil Services (Preliminary) Examination, 2013 GS Paper IGS Paper II GS Paper IGS Paper II

Remember Following Points

  • UPSC Answer Keys for prelims and mains will be published at
  • As per the official UPSC Prelims answer key 2017, marks will be evaluated for each candidate. The candidates who score marks more than the qualifying cut off will be declared as qualified in the UPSC IAS Result.
  • Correct answers for each of the questions, of maximum marks 200, are given in the answer key of UPSC Civil Services Preliminary examination.
  • The UPSC PrelimsAnswer Key 2017 is released for each test series (A, B, C, D).
  • The paper consists of Multiple Choice Questions (MCQs). For each question, there are four options. Candidate has to select one option among them.
  • Negative marking is applicable for each question in which a wrong answer has been marked. One-third (0.33) of the marks assigned to that question will be deducted as penalty.
  • In case candidate has given more than one answer, it is treated as wrong answer even if one of the given answers happen to be correct and there will be same penalty as above for that question.
  • If a question is left blank, i.e. no answer is given by the candidate; there will be no penalty for that question

UPSC Notification 2017 UPSC Syllabus UPSC Prelims Syllabus
UPSC IAS Exam Pattern UPSC Reference Books UPSC Eligibility
UPSC Mains Exams Pattern UPSC Question papers UPSC IAS Preparation Tips
UPSC IAS Exam Application UPSC Admit Card UPSC Results
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