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Mathematical Association of America -- American Mathematics Competitions

AMC 8

2008 Answers

2008 Teacher's Manual     2008 Fall Math Messenger     2008 Brochure     2008 School Honor Roll     2008 Statistics     Regions     Archive     Sliffe Awards
Question Answer As of 12/3/08 we have scored 73,261 answer sheets, about half of the total.
  • The mean is 10.86
  • The median is 11
  • The mode is 10
  • The standard deviation is 4.18

This makes 2008 about 1 problem easier than 2007.

The Distinguished Honor Roll (top 1%) level is 22 (compared to 21 last year) The Honor Roll (top 5%) level is 19 (compared to 17 last year)

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School:   {@school}
Location: {@address}
Teacher:  {@teacher}
                 {@position}
Website:  http://{@web}
1. (B) 14
2. (A) 8671
3. (A) Sunday
4. (C) 5
5. (E) 22
6. (D) 3 : 5
7. (E) 127
8. (D) 80
9. (D) 2% gain
10. (D) 34
11. (A) 7
12. (C) 5, (D) 6, (E) 7
13. (C) 187
14. (C) 4
15. (B) 40
16. (D) 7 : 30
17. (D) 132
18. (E) 20π + 40
19. (B) 2/7
20. (B) 17
21. (C) 151
22.* (A) 12*
23. (C) 5/18
24. (C) 11/60
25. (A) 42

*Please note: Due to last minute changes in the Solutions Pamphlet the answer (C) 27 appears as the answer to problem 22. The correct answer is (A) 12. The solution given is correct, however.