Of the 60 animals on a certain farm, are either pigs or cows.How many of the animals are cows?(1)The farm has more than twice as many cows as it has pigs. (2)The farm has more than 12 pigs.
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. 这题目答案是c 但是 a 就可以吧
A store purchased a Brand C computer for the same amount that it paid for a Brand D computer and then sold them both at higher prices.The store’s gross profit on the Brand C computer was what percent greater than its gross profit on the Brand D computer? (1)The price at which the store sold the Brand C computer was 15 percent greater than the price at which the store sold the Brand D computer. (2)The store’s gross profit on the Brand D computer was $300.
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. 这题答案是e , gross profit 怎么理解 =总收入-总成本 ，还是=减去成本前的总收入
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发表于 2011-9-15 19:55:36
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