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? (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
(F) 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