Australian Mathematics Competition 2021 - Answers

QUESTION	UPPER PRIMARY	JUNIOR	INTERMEDIATE	SENIOR
1	E	C	D	E
2	E	B	C	D
3	E	B	A	C
4	A	B	D	A
5	A	C	B	B
6	D	E	B	C
7	A	B	E	B
8	E	A	B	B
9	D	C	B	C
10	D	E	D	C
11	E	B	C	D
12	D	A	D	B
13	D	D	C	A
14	A	D	A	C
15	B	D	C	A
16	C	B	E	D
17	C	C	A	B
18	C	E	C	E
19	C	A	E	E
20	A	C	E	E
21	E	B	E	C
22	B	B	C	E
23	A	C	D	E
24	B	C	B	C
25	D	A	E	D
26	666	356	71	245
27	72	84	36	211
28	45	250	55	99
29	17	40	93	966
30	117	232	792	384