IOS Answer Keys
Want to be notified of your Olympiad Results?
Click Here
Join us on Whatsapp
Silverzone:
The Level 2 shall be conducted in the month of Jan/Feb 2020. The prizes, awards, and certificates will be sent to the school within 3 to 4 weeks after the announcement of result.
All the participants of the exam will be given with a Student Participation Certificate (SPC).
Level 3
Level 3 will be conducted in either July or Aug 2019 at New Delhi.
Venue
The Venue of the Level 2 exam will be the school itself; and the level 3 will be conducted at New Delhi.
Answer Key
Answer Key for Silverzone (IOS) 2018 is live. Candidates can go to the below link to check the answer key.
Class 1 | Set - BB
01
A
11
A
21
B
31
B
02
B
12
C
22
A
32
A
03
D
13
D
23
D
33
C
04
A
14
C
24
A
34
D
05
A
15
B
25
D
35
A
06
C
16
B
26
C
36
D
07
C
17
D
27
C
37
D
08
D
18
A
28
C
38
C
09
C
19
A
29
D
39
B
10
C
20
D
30
A
40
B
Class 2 | Set - BB
01
D
11
C
21
A
31
A
02
D
12
A
22
C
32
D
03
D
13
C
23
A
33
A
04
D
14
B
24
A
34
B
05
D
15
A
25
D
35
A
06
C
16
D
26
D
36
A
07
A
17
D
27
B
37
C
08
D
18
D
28
B
38
C
09
B
19
C
29
D
39
B
10
D
20
D
30
C
40
D
Class 3 | Set - BB
>01
A
>11
A
>21
D
>31
B
41
B
>02
C
>12
D
>22
C
>32
B
42
C
>03
D
>13
D
>23
A
>33
C
43
*
>04
A
>14
B
>24
A
>34
D
44
C
>05
C
>15
B
>25
C
>35
A
45
D
>06
D
>16
A
>26
C
>36
D
46
A
>07
A
>17
A
>27
C
>37
A
47
D
>08
D
>18
A
>28
B
>38
B
48
D
>09
D
>19
C
>29
C
>39
C
49
D
>10
D
>20
C
>30
A
>40
A
50
D
Class 3 | Set - CC
1
C
11
A
21
A
31
B
41
A
2
B
12
D
22
D
32
B
42
C
3
B
13
A
23
B
33
C
43
C
4
A
14
B
24
C
34
C
44
D
5
D
15
D
25
C
35
C
45
B
6
B
16
C
26
B
36
B
46
C
7
D
17
E
27
D
37
A
47
B
8
B
18
D
28
A
38
B
48
D
9
B
19
E
29
A
39
C
49
A
10
B
20
A
30
D
40
A
50
C
Class 4 | Set - BB
>01
D
>11
C
>21
D
>31
D
41
D
>02
D
>12
B
>22
B
>32
C
42
D
>03
A
>13
B
>23
A
>33
D
43
C
>04
B
>14
C
>24
A
>34
B
44
D
>05
B
>15
A
>25
B
>35
C
45
B
>06
C
>16
D
>26
D
>36
A
46
D
>07
D
>17
B
>27
B
>37
C
47
B
>08
B
>18
B
>28
C
>38
C
48
A
>09
D
>19
C
>29
D
>39
C
49
B
>10
B
>20
D
>30
B
>40
C
50
A
Class 4 | Set - CC
1
C
11
B
21
B
31
D
41
C
2
A
12
D
22
C
32
B
42
B
3
A
13
C
23
D
33
B
43
C
4
E
14
D
24
A
34
B
44
E
5
A
15
A
25
E
35
A
45
B
6
A
16
B
26
D
36
B
46
C
7
B
17
D
27
A
37
C
47
E
8
C
18
C
28
A
38
C
48
A
9
E
19
A
29
C
39
D
49
C
10
C
20
C
30
B
40
A
50
C
Class 5 | Set - BB
>01
B
>11
D
>21
D
>31
D
41
D
>02
D
>12
D
>22
C
>32
C
42
C
>03
C
>13
B
>23
B
>33
A
43
B
>04
C
>14
D
>24
C
>34
C
44
C
>05
D
>15
C
>25
D
>35
A
45
B
>06
C
>16
C
>26
C
>36
D
46
D
>07
A
>17
D
>27
D
>37
C
47
D
>08
B
>18
D
>28
D
>38
D
48
C
>09
B
>19
D
>29
D
>39
B
49
D
>10
C
>20
A
>30
D
>40
A
50
C
Class 5 | Set - CC
1
E
11
C
21
D
31
B
41
B
2
A
12
B
22
B
32
B
42
E
3
A
13
E
23
B
33
D
43
C
4
C
14
D
24
A
34
D
44
E
5
D
15
B
25
A
35
C
45
C
6
B
16
D
26
B
36
C
46
D
7
C
17
B
27
C
37
B
47
C
8
D
18
A
28
C
38
D
48
C
9
C
19
D
29
B
39
C
49
D
10
D
20
C
30
D
40
C
50
A
Class 6 | Set - BB
>01
C
>11
B
>21
B
>31
B
41
C
>02
B
>12
D
>22
B
>32
C
42
A
>03
B
>13
C
>23
C
>33
C
43
D
>04
B
>14
C
>24
D
>34
D
44
A
>05
A
>15
C
>25
B
>35
C
45
B
>06
A
>16
D
>26
D
>36
B
46
A
>07
C
>17
A
>27
C
>37
D
47
D
>08
A
>18
A
>28
A
>38
C
48
D
>09
C
>19
B
>29
A
>39
D
49
D
>10
D
>20
A
>30
C
>40
B
50
B
Class 6 | Set - CC
1
A
11
D
21
B
31
A
41
B
2
C
12
C
22
C
32
D
42
B
3
D
13
C
23
D
33
D
43
D
4
B
14
C
24
B
34
D
44
D
5
B
15
A
25
B
35
A
45
B
6
C
16
D
26
*
36
C
46
C
7
A
17
B
27
A
37
D
47
C
8
B
18
D
28
C
38
A
48
C
9
D
19
D
29
A
39
D
49
D
10
C
20
B
30
D
40
C
50
B
Class 7 | Set - BB
>01
A
>11
C
>21
C
>31
B
41
C
>02
A
>12
B
>22
C
>32
B
42
C
>03
A
>13
D
>23
B
>33
C
43
D
>04
C
>14
C
>24
D
>34
B
44
A
>05
A
>15
D
>25
C
>35
A
45
C
>06
A
>16
B
>26
B
>36
D
46
A
>07
B
>17
A
>27
C
>37
C
47
C
>08
A
>18
D
>28
A
>38
B
48
C
>09
D
>19
A
>29
D
>39
D
49
D
>10
A
>20
D
>30
D
>40
A
50
C
Class 7 | Set - CC
1
C
11
C
21
C
31
D
41
D
2
C
12
C
22
B
32
D
42
C
3
D
13
D
23
B
33
A
43
D
4
C
14
A
24
D
34
B
44
C
5
C
15
C
25
C
35
C
45
A
6
D
16
B
26
D
36
D
46
D
7
A
17
C
27
B
37
B
47
A
8
E
18
A
28
A
38
C
48
D
9
A
19
B
29
E
39
B
49
B
10
B
20
B
30
D
40
C
50
A
Class 8 | Set - BB
>01
B
>11
D
>21
D
>31
A
41
C
>02
C
>12
A
>22
C
>32
C
42
B
>03
B
>13
C
>23
D
>33
C
43
D
>04
B
>14
A
>24
D
>34
A
44
D
>05
C
>15
B
>25
B
>35
C
45
A
>06
C
>16
D
>26
A
>36
C
46
C
>07
D
>17
C
>27
B
>37
B
47
C
>08
C
>18
C
>28
A
>38
B
48
A
>09
B
>19
D
>29
A
>39
C
49
D
>10
B
>20
B
>30
D
>40
D
50
C
Class 8 | Set - CC
1
A
11
E
21
D
31
B
41
B
2
B
12
A
22
A
32
D
42
C
3
D
13
A
23
D
33
A
43
D
4
D
14
A
24
A
34
B
44
A
5
E
15
D
25
D
35
C
45
E
6
B
16
B
26
C
36
B
46
D
7
A
17
E
27
B
37
D
47
C
8
C
18
B
28
A
38
D
48
D
9
B
19
D
29
D
39
C
49
C
10
B
20
B
30
B
40
B
50
B
Class 9 | Set - BB
>01
C
>11
B
>21
C
>31
C
41
C
>02
B
>12
B
>22
D
>32
D
42
A
>03
D
>13
C
>23
B
>33
B
43
A
>04
B
>14
B
>24
C
>34
B
44
C
>05
D
>15
D
>25
C
>35
C
45
D
>06
A
>16
C
>26
C
>36
D
46
B
>07
A
>17
D
>27
C
>37
B
47
D
>08
A
>18
B
>28
D
>38
B
48
B
>09
C
>19
D
>29
B
>39
A
49
D
>10
A
>20
C
>30
B
>40
D
50
C
Class 9 | Set - CC
1
C
11
A
21
A
31
D
41
D
2
B
12
A
22
C
32
C
42
C
3
C
13
B
23
A
33
D
43
B
4
B
14
A
24
A
34
A
44
C
5
B
15
E
25
B
35
B
45
A
6
C
16
B
26
A
36
D
46
D
7
A
17
C
27
A
37
A
47
C
8
B
18
D
28
B
38
B
48
C
9
C
19
A
29
B
39
A
49
D
10
A
20
D
30
A
40
E
50
B
Class 10 | Set - BB
>01
D
>11
C
>21
B
>31
A
41
B
>02
A
>12
A
>22
B
>32
D
42
A
>03
D
>13
D
>23
C
>33
C
43
A
>04
D
>14
B
>24
B
>34
A
44
D
>05
B
>15
B
>25
B
>35
B
45
D
>06
C
>16
A
>26
A
>36
B
46
D
>07
A
>17
C
>27
D
>37
C
47
B
>08
A
>18
A
>28
D
>38
D
48
B
>09
B
>19
C
>29
D
>39
D
49
C
>10
B
>20
A
>30
B
>40
D
50
B
Class 10 | Set - CC
1
B
11
A
21
A
31
D
41
D
2
A
12
C
22
D
32
E
42
C
3
B
13
E
23
B
33
C
43
A
4
A
14
B
24
C
34
D
44
D
5
D
15
A
25
D
35
B
45
B
6
C
16
D
26
A
36
A
46
C
7
D
17
C
27
A
37
A
47
B
8
A
18
A
28
C
38
B
48
C
9
C
19
B
29
C
39
D
49
B
10
E
20
A
30
D
40
C
50
C
How to Buy
