30th International Kangaroo Mathematics Contest 2020
Answer of Problems
Q. No.
PreEcolier
Q. No.
Ecolier
Q. No.
Benjamin
Q. No.
Cadet
Q. No.
Junior
Q. No.
Student
1
D
E
A
E
A
D
E
D
C
C
E
C
B
A
B
D
D
D
C
C
B
E
C
B
1
E
E
A
A
E
D
E
C
C
C
D
E
D
A
D
B
B
C
A
D
D
D
B
D
1
E
E
D
B
E
C
A
B
C
E
A
E
A
B
C
C
E
D
B
A
B
E
B
C
D
D
B
A
E
B
1
B
A
C
A
E
E
D
B
D
B
A
C
B
C
C
C
A
D
B
E
A
A
D
B
C
C
E
D
D
C
1
B
D
E
A
B
C
B
E
C
A
D
B
B
B
A
C
E
D
A
D
B
C
E
D
C
C
C
A
B
D
1
D
B
B
A
C
E
D
D
E
D
E
B
B
B
B
A
B
A
C
B
D
E
D
D
E
C
A
A
C
C
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Answer Key IKMC 2020
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30