CDS Answer Key of GK, Maths and English  CDS 1 2021 Answer Key of SetA, B, C & D
20210207  Team PendulumEdu
UPSC has scheduled CDS 1 2021 exam for 7 February 2021. The CDS 2021 on 7 February will have three papers, which are the CDS Maths exam, CDS English exam and CDS GK exam. The duration of examination for each subject, i.e., English, Elementary Mathematics and General Knowledge, is 2 hours.
The schedule of the CDS 2021 exams is as follows:
1. CDS 2021 English Paper  9 AM  11 AM
2. CDS 2021 GK Paper  12 PM  2 PM
3. CDS 2021 Maths Paper  3 PM  5 PM
PendulumEdu is providing the CDS 2021 answer key for the CDS 1 2021 aspirants and If you would like to get the Answer Key of your set, You can send the Paper over Whatsapp at 9625025482.
Moreover, to guide you better we will provide you with video sessions discussing each subject's answers on our YouTube channel. You can also subscribe to our channel on youtube, which is dedicated to Defence Exams of India  PendulumEdu Defence
PendulumEdu will provide you the CDS 2021 answer key immediately after the examination to help you track your performance. The answer key of CDS 2021 will be provided separately for English, Elementary Mathematics and General Knowledge for each set, i.e., A, B, C and D individually. Using the CDS 1 2021 answer key you can calculate your score of the CDS exam and also deduce your correct and incorrect responses.
UPSC CDS 2021 English Question Paper:
CDS Answer Key English 2021
CDS English paper is to test your comprehension skills and basic knowledge of the language. The total number of questions asked in the English section is 120 and the topic that covers the major portion is reading ability which includes Reading comprehension, Cloze, Para Jumble and Sentence rearrangement. Apart from reading ability, questions asked are from the Grammar and Vocabulary section which includes questions from moderate to difficult level. The question types that trouble candidates the most are para Jumble and reading comprehension.
The total marks allotted for 120 questions are 100. For every incorrect response, there is a deduction of 1/3 of the marks carried by that question.
The following table provides the CDS 2021 Answer Key of English paper:
UPSC CDS Answer Key 2021 English  
Ques. No. 
SETA 
SETB 
SETC 
SETD 
1 
C 
C 
A 
A 
2 
C 
B 
D 
A 
3 
C 
C 
A 
B 
4 
C 
B 
C 
B 
5 
C 
B 
D 
A 
6 
B 
B 
A 
C 
7 
A 
A 
A 
A 
8 
D 
B 
C 
D 
9 
C 
B 
A 
A 
10 
D 
D 
C 
C 
11 
A 
B 
C 
C 
12 
B 
B 
B 
B 
13 
C 
A 
A 
C 
14 
B 
C 
C 
B 
15 
A 
C 
B 
B 
16 
A 
B 
A 
B 
17 
A 
C 
A 
A 
18 
D 
A 
A 
B 
19 
A 
D 
C 
B 
20 
C 
C 
A 
D 
21 
A 
A 
B 
B 
22 
B 
D 
B 
B 
23 
C 
A 
C 
A 
24 
B 
C 
B 
C 
25 
C 
D 
A 
C 
26 
A 
A 
A 
B 
27 
C 
A 
A 
C 
28 
D 
C 
D 
A 
29 
B 
A 
A 
D 
30 
A 
C 
C 
C 
31 
D 
B 
A 
C 
32 
A 
C/D 
B 
C 
33 
D 
B 
C 
C 
34 
D 
D 
B 
C 
35 
C 
A 
C 
C 
36 
D 
A 
A 
B 
37 
B 
C 
C 
A 
38 
C 
C 
D 
D 
39 
C 
B 
B 
C 
40 
B 
B 
A 
D 
41 
C 
A 
D 
A 
42 
B 
B 
A 
B 
43 
A 
D 
D 
C 
44 
C 
D 
D 
B 
45 
B 
A 
C 
A 
46 
A 
B 
D 
A 
47 
A 
B 
B 
A 
48 
A 
C 
C 
D 
49 
C 
C 
C 
A 
50 
A 
A 
B 
C 
51 
B 
C 
C 
A 
52 
B 
B 
C 
D 
53 
C 
A 
C 
A 
54 
B 
C 
C 
C 
55 
A 
B 
C 
D 
56 
A 
A 
B 
A 
57 
A 
A 
A 
A 
58 
D 
A 
D 
C 
59 
A 
C 
C 
A 
60 
C 
A 
D 
C 
61 
B 
B 
A 
B 
62 
C/D 
B 
B 
C/D 
63 
B 
C 
C 
B 
64 
D 
B 
B 
D 
65 
A 
A 
A 
A 
66 
A 
A 
A 
A 
67 
C 
A 
A 
C 
68 
C 
D 
D 
C 
69 
B 
A 
A 
B 
70 
B 
C 
C 
B 
71 
A 
A 
A 
A 
72 
B 
B 
A 
B 
73 
D 
C 
B 
D 
74 
D 
B 
B 
D 
75 
A 
C 
A 
A 
76 
B 
A 
C 
B 
77 
B 
C 
A 
B 
78 
C 
D 
D 
C 
79 
C 
B 
A 
C 
80 
A 
A 
C 
A 
81 
A 
D 
B 
C 
82 
D 
A 
C/D 
B 
83 
A 
D 
B 
A 
84 
C 
D 
D 
C 
85 
D 
C 
A 
B 
86 
A 
D 
A 
A 
87 
A 
B 
C 
A 
88 
C 
C 
C 
A 
89 
A 
C 
B 
C 
90 
C 
B 
B 
A 
91 
A 
A 
A 
B 
92 
B 
A 
B 
B 
93 
C 
B 
D 
C 
94 
B 
B 
D 
B 
95 
B 
A 
A 
A 
96 
B 
C 
B 
A 
97 
A 
A 
B 
A 
98 
B 
D 
C 
D 
99 
B 
A 
C 
A 
100 
D 
C 
A 
C 
101 
B 
C 
C 
A 
102 
B 
C 
B 
B 
103 
A 
C 
C 
C 
104 
C 
C 
B 
B 
105 
C 
C 
B 
C 
106 
B 
B 
B 
A 
107 
C 
A 
A 
C 
108 
A 
D 
B 
D 
109 
D 
C 
B 
B 
110 
C 
D 
D 
A 
111 
A 
A 
B 
D 
112 
A 
B 
B 
A 
113 
B 
C 
A 
D 
114 
A 
B 
C 
D 
115 
A 
A 
C 
C 
116 
C 
A 
B 
D 
117 
A 
A 
C 
B 
118 
D 
D 
A 
C 
119 
A 
A 
D 
C 
120 
C 
C 
C 
B 
CDS 2021 GK Answer Key
The major questions asked in the CDS GK Question Paper are based on the Indian Polity, Economy, History of India, Geography and current affairs, etc. The UPSC CDS 1 2021 exam for the General Knowledge paper is from 12 PM to 2 PM.
The total marks allotted for 120 questions CDS GK Paper are 100. For every incorrect response to a question, there is a deduction of 1/3 of the marks carried by that question.
PendulumEdu is giving the CDS 2021 GK question paper along with a reliable and accurate answer key for CDS (I) GK Exam 2021 conducted today on 7 February 2021 CDS GK Answer key is given in the following table. You can match your UPSC CDS 2021 gk answers with the unofficial CDS answer key of gk and calculate your score:
UPSC CDS GK Answer Key 2021  
Ques. No. 
SETA 
SETB 
SETC 
SETD 
1 
C 

A  D 
2 
A 

A  A 
3 
C 

C  B 
4 
A 

D  D 
5 
B 

A  D 
6 
B  B  A  
7 
D  C  B  
8 
D  D  B  
9 
D  A  D  
10 
B  C  A  
11 
A  D  D  
12 
D  B  C  
13 
A  C  B  
14 
A  B  A  
15 
B  D  B  
16 
D  B  A  
17 
D  D  C  
18 
A  A  A  
19 
B  B  A  
20 
D  C  B  
21 
D  B  D  
22 
A  D  B  
23 
B  C  D  
24 
D  A  C  
25 
D  B  C  
26 
A  D  
27 
B  B  C  
28 
B  D  D  
29 
D  D  D  
30 
A  A  A  
31 
D  D  D  
32 
C  C  D  
33 
B  B  B  
34 
A  C  B  
35 
B  D  A  
36 
A  B  D  
37 
C  D  C  
38 
A  A  D  
39 
A  A  B  
40 
B  D  B  
41 
B  C  A  
42 
D  A  A  
43 
C  C  C  
44 
A  A  D  
45 
B  A  
46 
D  B  B  
47 
B  D  C  
48 
D  D  
49 
D  D  A  
50 
D  B  C  
51 
D  A  D  
52 
C  D  B  
53 
B  A  C  
54 
C  A  B  
55 
D  B  D  
56 
B  D  B  
57 
D  D  D  
58 
A  A  A  
59 
A  B  B  
60 
D  D  
61 
B  D  C  
62 
B  A  A  
63 
A  B  C  
64 
B  D  A  
65 
A  D  B  
66 
D  A  B  
67 
C  B  D  
68 
C  B  D  
69 
B  D  D  
70 
B  A  B  
71 
B  D  A  
72 
C  C  D  
73 
C  B  A  
74 
B  A  A  
75 
D  B  B  
76 
A  D  
77 
A  C  D  
78 
C  A  A  
79 
A  A  B  
80 
B  B  D  
81 
A  D  B  
82 
A  B  B  
83 
C  D  A  
84 
D  C  B  
85 
A  C  A  
86 
B  B  D  
87 
C  C  C  
88 
D  D  C  
89 
A  D  B  
90 
C  A  B  
91 
D  D  B  
92 
B  D  C  
93 
C  B  C  
94 
B  B  B  
95 
D  A  D  
96 
B  D  
97 
D  B  A  
98 
A  D  C  
99 
B  C  A  
100 
B  B  
101 
D  B  B  
102 
B  B  D  
103 
D  A  C  
104 
C  B  A  
105 
C  A  
106 
D  D  
107 
C  C  B  
108 
D  C  
109 
D  B  D  
110 
A  B  D  
111 
D  B  D  
112 
D  C  C  
113 
B  C  B  
114 
B  B  C  
115 
A  D  D  
116 
D  D  B  
117 
C  A  D  
118 
D  C  A  
119 
B  A  A  
120 
B  B  D 
CDS 2021 Maths Answer Key
The CDS Maths exam is considered to be toughest one among all three exams in CDS. The CDS maths exam consists of 100 questions each and the exam is of 2 hours. The major topics asked are Number system, Geometry, Trigonometry, Mensuration, Algebra, CI and SI, Mixture and Allegation, etc.
The following table provides the Answer key for CDS 1 2021 Maths Paper. The CDS 2021 Maths Answer Key can be checked for each set and the method to calculate the score is given below the table.
UPSC CDS 2021 Answer Key Maths  
Ques. No. 
SETA 
SETB 
SETC 
SETD 
1 
C 


2 
B 


3 
B 


4 
D 


5 
B 


6 
C  
7 
B  
8 
A  
9 
C  
10 
C  
11 
C  
12 
C  
13 
D  
14 
C  
15 
D  
16 
C  
17 
C  
18 
C  
19 
D  
20 
B  
21 
C  
22 
B  
23 
A  
24 
D  
25 
D  
26 
B  
27 
B  
28 
C  
29 
D  
30 
A  
31 
B  
32 
B  
33 
C  
34 
D  
35 
C  
36 
B  
37 
C  
38 
C  
39 
B  
40 
A  
41 
A  
42 
A  
43 
D  
44 
D  
45 
A  
46 
C  
47 
C  
48 
D  
49 
B  
50 
C  
51 
A  
52 
A  
53 
C  
54 
D  
55 
A  
56 
C  
57 
B  
58 
D  
59 
*  
60 
A  
61 
B  
62 
A  
63 
D  
64 
C  
65 
A  
66 
D  
67 
B  
68 
B  
69 
C  
70 
A  
71 
C  
72 
B  
73 
C  
74 
B  
75 
C  
76 
D  
77 
C  
78 
A  
79 
B  
80 
B  
81 
B  
82 
A  
83 
C  
84 
B  
85 
C  
86 
D  
87 
A  
88 
C  
89 
A  
90 
D  
91 
D  
92 
B  
93 
A  
94 
D  
95 
D  
96 
A  
97 
D  
98 
B  
99 
A  
100 
C 
The total number of vacancies for UPSC CDS 1 2021 is 345. It has been conducted for recruitment under Indian Naval Academy (Vacancies26), Indian Military Academy (100), Air Force Academy (32), Officers’ Training Academy (Men170), Officers Training Academy (Women17).
It is important to note that in the case of OTA, it does not include Elementary Mathematics. Below given table gives you a better understanding.

Indian Military, Navy and Air Force 
OTA 
Number of questions asked (MCQs) 
English (120) General Knowledge (120) Elementary Mathematics (100) 
English (120) General Knowledge (120) 
Maximum marks 
300 
200 
If you have any query or feel that any question is not correctly answered in the Answer Key, you can write us at contact@pendulumedu.com
CDS 2021 Answer Key Frequently Asked Questions (FAQs)
Q. When is UPSC CDS (I) 2021 Exam scheduled?
Q. What is the timing of the papers of UPSC CDS 1 2021?
Q. How many questions are there in CDS Exams?
Q. When is UPSC CDS Answer Key 2021 released?
Q. What should a UPSC CDS candidate carry to the Examination Hall?
Share Blog