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试卷名称:GMAT（QUANTITATIVE）数学模拟试卷6

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The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. Yon 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 statement ALONE is sufficient. Ｄ. EACH statement ALONE is sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.

In a club for left-handed people that also admits the ambidextrous, are more than 1/3 of the members ambidextrous? (1) Exactly 50 percent of the male members of the club are ambidextrous. (2) The number of females in the club is exactly 1 fewer than half the number of male members.

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If a≠0, is b greater than zero? (1) a+b=10 (2) ab=24

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A truck driver wants to load as many identical cylindrical canisters of olive oil as can fit into the 3- meter ×4- meter ×9- meter storage space of his truck. How many canisters can he load into the truck? (1) Each canister has a volume of 62,500π cubic centimeters. (2) The height of each canister is four times the radius.

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In the figure above, what is the length of WZ? (Note, figure not necessarily drawn to scale.) (1) xy=64 (2) x2=y2

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Over the course of a year, a certain house appreciated in value by 10 percent while the house next door decreased in value by 10 percent as a result of foundation damage. At the end of the year, the reduced price of the second house was what percentage of the increased price of the first house? (1) The amount by which the first house increased in value was half as much as the amount by which the second house decreased in value. (2) At the end of the year, the second house was worth $70,000 more than the first house.

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The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. Yon 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 statement ALONE is sufficient. Ｄ. EACH statement ALONE is sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.

If [*] for all integers x and y; then (-5)×2=[*]

Three hundred multiples of three are picked at random, and three hundred multiples of four are picked at random. Approximately what percentage of the six hundred selected numbers are even? 100% 75% 66% 50% 33%

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 statement ALONE is sufficient. Ｄ. EACH statement ALONE is sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.

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