MATH.13

# Q28 if the volume of a small container is 14520 cubic

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Q28: If the volume of a small container is 14,520 cubic millimeters, what is the volume of the container in cubic centimeters? (1 millimeter = 0.1 centimeter) A. 0.1452 B. 1.452 C. 14.52 D. 145.2 E. 1,452 Answer: ------------------------------------------------------------------------------------------------------------ Q29: Which of the following is equal to 3 6 6 12 2 2 2 2 - - ? ------------------------------------------------------------------------------------------------------------ Q30: If the sequence x 1 , x 2, x 3, …, x n , … is such that x 1 = 3 and x n +1 = 2 x n – 1 for n ≥ 1, then x 20 x 19 = ------------------------------------------------------------------------------------------------------------ Q31: In a certain English class, 4 1 of the number of girls is equal to 6 1 of the total number of students. What is the ratio of the number of boys to the number of girls in the class? 10

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------------------------------------------------------------------------------------------------------------ Q32: If xyz ≠ 0, is x ( y + z ) ≥ 0? (1)│ y + z │ = │ y │ + │ z (2) x + y │ = │ x │ + │ y 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: ------------------------------------------------------------------------------------------------------------ Q33: Each signal that a certain ship can make is comprised of 3 different flags hanging vertically in a particular order. How many unique signals can be made by using 4 different flags? ------------------------------------------------------------------------------------------------------------ Q34: If xy ≠ 0, what is the value of 2 2 25 y x ? (1) x = 3 (2) 5x – 2y = 0 ------------------------------------------------------------------------------------------------------------ Q35: Stations X and Y are connected by two separate, straight, parallel rail lines that are 250 miles long. Train P and train Q simultaneously left Station X and Station Y , respectively, and each train traveled to the other’s point of departure. The two trains passed each other 11
after traveling for 2 hours. When the two trains passed, which train was nearer to its destination? (1)At the time when the two trains passed, train P had averaged a speed of 70 miles per hour. (2) Train Q averaged a speed of 55 miles per hour for the entire trip. ------------------------------------------------------------------------------------------------------------
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