【GMAT考满分数据洞察DS题库】In the sequence _真题_答案

题目内容

In the sequence $S$ of numbers, each term after the first two terms is the sum of the two immediately preceding terms. What is the 5th term of $S$ ?

(1) The 6th term of $S$ minus the 4th term equals 5.

(2) The 6th term of $S$ plus the 7th term equals 21.

AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
DEACH statement ALONE is sufficient.
EStatements (1) and (2) TOGETHER are not sufficient.

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正确答案: A

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