AMC8 1992
AMC8 1992 · Q15
AMC8 1992 · Q15. It mainly tests Remainders & modular arithmetic.
What is the 1992nd letter in this sequence?
这个序列中的第1992个字母是什么？
(A)
A
A
(B)
B
B
(C)
C
C
(D)
D
D
(E)
E
E
Answer
Correct choice: (C)
正确答案：（C）
Solution
Answer (C): The pattern repeats every 9 letters. Dividing 1992 by 9 yields a remainder of 3. Therefore, the 1992nd letter corresponds to the third letter in the sequence, which is C.
答案 (C)：模式每9个字母重复一次。1992除以9余3。因此，第1992个字母对应序列中的第三个字母，即C。
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