2021 AIME I Answer Key

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All problems are used with official legal permission of the Mathematical Association of America (MAA).

1. 97
2. 109
3. 50
4. 331
5. 31
6. 192
7. 63
8. 57
9. 567
10. 59
11. 301
12. 19
13. 672
14. 125
15. 285