2 in each class the average arithmetic mean score on

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(2) In each class, the average (arithmetic mean) score on the quiz was 85. 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: ------------------------------------------------------------------------------------------------------------ Q35: The operation ○ is defined by the equation x ○ y = (x-y)/(x+y), where y ≠ -x. If 3 ○ y = 5 ○ 4, then y = A. 1/9 B. 4/15 C. 5/12 D. 12/5 E. 15/4 Answer: ------------------------------------------------------------------------------------------------------------ Q36: In the xy -plane, line l and line k intersect at the point (16/5, 12/5). What is the slope of line l ? (1) The product of the slopes of line l and line k is –1. (2) Line k passes through the origin. 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: 11
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------------------------------------------------------------------------------------------------------------ Q37: Of the families in City X in 1994, 40 percent owned a personal computer. The number of families in City X owning a computer in 1998 was 30 percent greater than it was in 1994, and the total number of families in City X was 4 percent greater in 1998 than it was in 1994. What percent of the families in City X owned a personal computer in 1998? A. 50% B. 52% C. 56% D. 70% E. 74% Answer: ------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------ Answers: EEDDB, DCCBD, CCBEE, BDADD, EDCBD, EDDDA, EDCED, CA 12
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2 In each class the average arithmetic mean score on the...

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