PRACTICAL TEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 1. A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following could not be the length of the fence in feet? (12 inches = 1 foot) A. 17 B. 28 C. 35 D. 39 E. 50 2. A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo increased? A. 50 B. 80 C. 100 D. 125 E. 250 3. ♠n denotes the number obtained when n is rounded to the nearest tenth. For example ♠4.31 = 4.3 ♠0.089 - ♠1.135 = A. 1.05 B. 1.04 C. -1.05 D. -1.0 E. -0.1 4. Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on at the first stop? A. 128 B. 64 C. 32 D. 16 E. 8 6. For a wall of a given material and of a fixed surface area, the rate of heat loss by conduction through the wall is inversely proportional to the thickness (T) of the wall, and directly proportional to the temperature difference (d) across the wall. The rate of heat loss could be given by which of the following expressions? A. 2d/T B. 2 T/d C. 2d + ½ T D. 2(d + ½ T) E. T/d 9. If x is an integer, which of the following could be x³? I 1.25 x 1017 II 12.5 x 10-12 III 0.125 x 10-12 A. I only B. II only C. I and II only D. I and III only E. II and III only 10. At what point does the graph of 5x + 4y = 12 intersect the y-axis? A. (0, 3) B. (0, -3) C. (3, 0) D. (5, 0) E. (0, -5) 1. Which of the following can be used to illustrate that not all prime numbers are odd? A. 1 B. 2 C. 3 D. 4 E. 5 2. What is the greatest of 3 consecutive integers whose sum is 24 ? A. 6 B. 7 C. 8 D. 9 E. 10 4. A piece of ribbon 4 yards long is used to make bows requiring 15 inches of ribbon for each. What is the maximum number of bows that can be made? A. 8 B. 9 C. 10 D. 11 E. 12 5. How many numbers between 200 and 400 meet one or both of the conditions given in the two statements below? Statement 1: The number begins with 3 Statement 2: The number ends with 3 A. 20 B. 60 C. 100 D. 110 E. 120 6. If f(3) = 15 and f(5) = 45, which of the following could be f(x)? A. 4x + 3 B. 2x² – 2x C. 2x² - x D. 2x² - 5 E. 5x² 8. A picture is copied onto a sheet of paper 8.5 inches by 10 inches. A 1.5 inch margin is left all around. What area in square inches does the picture cover? A. 76 B. 65 C. 59.5 D. 49 E. 38.5 10. If V = 12R / (r + R) , then R = A. Vr / (12 - V) B. Vr + V /12 C. Vr - 12 D. V / r - 12 E. V (r + 1) /12
Posted on: Wed, 29 Jan 2014 09:40:07 +0000
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