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GWD17，没找到以前的讨论帖。黑色是我的answer，红色的是key。谢谢大家！！！ Q8: A certain right triangle has sides of length x, y, and z, where x < y < z. If the area of this triangular region is 1, which of the following indicates all of the possible values of y ?
A. y>square root of 2B. (square root of 3)/2 <y< square root of 2 Answer: B? A
没思路啊
Q29: Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15 stamps did she buy? (1) She bought $4.40 worth of stamps. (2) She bought an equal number of $0.15 stamps and $0.29 stamps. 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 statement ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: C A 我觉得答案错了，因为只知道总数为$4.40的时候有两种可能 (1)20张$0.15，5张$0.29 (2)各10张
Q32: Does the decimal equivalent of p/q, where p and q are positive integers, contain only a finite number of nonzero digits? (1) p > q (2) q = 8 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 statement ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: E? B 这道题到底啥意思啊？
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发表于 2006-5-24 11:56:00
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