Questions Essay

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3.1 Quantitative Questions Problem Solving Solve the problem and indicate the best of the answer choices given. Numbers: Figures: Allnumbersusedarerealnumbers. All figures accompanying problem solving questions are intended to provide information useful in solving the problems. Figures are drawn as accurately as possible. Exceptions will be clearly noted. Lines shown as straight are straight, and lines that appear jagged are also straight. The positions of points, angles, regions, etc., exist in the order shown, and angle measures are greater than zero. All figures lie in a plane unless otherwise indicated. 1. Last month a certain music club offered a discount to preferred customers. After the first compact disc purchased, preferred customers paid $3.99 for each additional compact disc purchased. If a preferred customer purchased a total of 6 compact discs and paid $15.95 for the first compact disc, then the dollar amount that the customer paid for the 6 compact discs is equivalent to which of the following? (A) (B) (C) (D) (E) 2. The average (arithmetic mean) of the integers from 200 to 400, inclusive, is how much greater than the average of the integers from 50 to 100, inclusive? (A) 150 (B) 175 (C) 200 (D) 225 (E) 300 3. The sequence a1, a2, a3,...,an,... is such that for all    . If     and , what is the value of a6 ? (A) 12 (B) 16 (C) 20 (D) 24 (E) 28 4. Among a group of 2,500 people, 35 percent invest in municipal bonds, 18 percent invest in oil stocks, and 7 percent invest in both municipal bonds and oil stocks. If 1 person is to be randomly selected from the 2,500 people, what is the probability that the person selected will be one who invests in municipal bonds but NOT in oil stocks? (A) (B) (C) (D) (E) A closed cylindrical tank contains    cubic feet of water and is filled to half its capacity. When the tank is placed

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