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section 1 time-35 minutes 24 questions directions: each group of questions in this section is based on a set of conditions. in answering some of the questions. if may be useful to draw a rough diagram choose the response that most accurately and completely answers each question and blacken the corresponding space on your answer sheet question 1-6 eight new students-r, s, t, v, w, x, y, z-are being divided among exactly three classes-class 1, class 2, and class3. classes 1 and 2 will gain three new students each: class 3 will gain two new students. the following restrictions apply: r must be added to class 1. s must be added to class 3. neither s nor w can be added to the same class as y. v cannot be added to the same class as z. if t is added to class 1, z must also be added to class 1. 1.which one of the following is an acceptable assignment of students to the three classes? 1 2 3 (a) r, t, y v, w, x s, z (b) r, t, z s, v, y w, x (c) r, w, x v, y, x s, t (d) r, x, z t, v, y s, w (e) r, x, z v, w, y s, t 2.which one of the following is a complete and accurate list of classes any one of which could be the class to which v is added? (a) class 1 (b) class 3 (c) class 1, class 3 (d) class 2, class 3 (e) class 1, class 2, class 3. 3.if x is added to class 1, which one of the following is a student who must be added to class 2? (a) t (b) v (c) w (d) y (e) z 4.if x is added to class 3, each of the following is a pair of students who can be added to class 1 except (a) y and z (b) w and z (c) v and y (d) v and w (e) t and z 5.if t is added to class 3, which one of the following is a student who must be added to class 2? (a) v (b) w (c) x (d) y (e) z 6.which one of the following must be true? (a) if t and x are added to class 2. v is added to class 3. (b) if v and w are added to class 1. v is added to class 3. (c) if v and w are added to class 1. v is added to class 3. (d) if v and x are added to class 1. v is added to class 3. (e) if y and z are added to class 2. v is added to class 2.  |
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