CDS I - Mathematics Previous Year Question Paper Answer Key 2020 | CDS (Combined Defence Services) Mock Test Series 2024 PDF Download

 Page 1


 
UPSC CDS - I Elementary Mathematics 
Answer Key 2020 
(Held on 2 Feb. 2020) 
 
No. of Question Answer Key 
 
No. of Question Answer Key 
1 
a 
 
26 
b 
2 
b 
 
27 
b 
3 
b 
 
28 
c 
4 
a 
 
29 
d 
5 
d 
 
30 
a 
6 
b 
 
31 
d 
7 
a 
 
32 
d 
8 
b 
 
33 
d 
9 
c 
 
34 
c 
10 
d 
 
35 
a 
11 
a 
 
36 
b 
12 
a 
 
37 
c 
13 
a 
 
38 
b 
14 
b 
 
39 
d 
15 
d 
 
40 
a 
16 
c 
 
41 
c 
17 
a 
 
42 
b 
18 
b 
 
43 
d 
19 
b 
 
44 
c 
20 
b 
 
45 
c 
21 
c 
 
46 
b 
22 
c 
 
47 
c 
23 
c 
 
48 
d 
24 
c 
 
49 
d 
25 
a 
 
50 
c 
Page 2


 
UPSC CDS - I Elementary Mathematics 
Answer Key 2020 
(Held on 2 Feb. 2020) 
 
No. of Question Answer Key 
 
No. of Question Answer Key 
1 
a 
 
26 
b 
2 
b 
 
27 
b 
3 
b 
 
28 
c 
4 
a 
 
29 
d 
5 
d 
 
30 
a 
6 
b 
 
31 
d 
7 
a 
 
32 
d 
8 
b 
 
33 
d 
9 
c 
 
34 
c 
10 
d 
 
35 
a 
11 
a 
 
36 
b 
12 
a 
 
37 
c 
13 
a 
 
38 
b 
14 
b 
 
39 
d 
15 
d 
 
40 
a 
16 
c 
 
41 
c 
17 
a 
 
42 
b 
18 
b 
 
43 
d 
19 
b 
 
44 
c 
20 
b 
 
45 
c 
21 
c 
 
46 
b 
22 
c 
 
47 
c 
23 
c 
 
48 
d 
24 
c 
 
49 
d 
25 
a 
 
50 
c 
 
 
No. of Question Answer Key 
 
No. of Question Answer Key 
51 
c 
 
76 
d 
52 
b 
 
77 
d 
53 
a 
 
78 
b 
54 
a 
 
79 
a 
55 
c 
 
80 
d 
56 
a 
 
81 
a 
57 
b 
 
82 
c 
58 
d 
 
83 
a 
59 
b 
 
84 
a 
60 
a 
 
85 
c 
61 
a 
 
86 
d 
62 
c 
 
87 
d 
63 
c 
 
88 
a 
64 
d 
 
89 
a 
65 
a 
 
90 
b 
66 
c 
 
91 
a 
67 
c 
 
92 
b 
68 
d 
 
93 
c 
69 
b 
 
94 
d 
70 
c 
 
95 
b 
71 
b 
 
96 
b 
72 
c 
 
97 
a 
73 
d 
 
98 
d 
74 
c 
 
99 
d 
75 
c 
 
100 
b