GMAT考试

【单选题】The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether
A、 Statement (1)ALONE、is sufficient, but statement (2) alone is not sufficient.
B、 Statement (2)ALONE、is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statementALONE、is sufficient.
D、EACH statementALONE、is sufficient.
Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.
If
and s≠0, what is the value ofC
(1) r=4s
(2)

网考网参考答案：A
网考网解析：
In order to answer this question, you need to remove both variables so that a numerical answer is left. (1) is sufficient because it allows you to restate the equation as . (2) is insufficient, because a variable remains in the equation. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>