評(píng)論
打印
Questions 9-16
The organizers of a music festival are scheduling exactly
six master classes, one class per day for six consecutive
days. Three of the classes will be given by violinists and
three by pianists. The only musicians who can teach the
classes are the violinists F, G, H, and J, and the pianists
R, S, T, W, and Z. The festival's organizers must observe
the following constraints:
No musician will teach more than one class.
F will not teach unless the first three classes are
taught by violinists.
If J teaches a class, it will be the sixth.
R will teach only if T teaches the first class.
No pianist will teach on a day that immediately pre-
cedes or immediately follows a day on which W
teaches.
9.Which of the following can be the musicians scheduled
to teach the master classes, in the order in which they
will teach, from first to sixth?
(A) F, J, G, T, Z, S
(B) F, W, H, T, G, Z
(C) G, F, H, T, S, Z
(D) S, G, W, H, R, J
(E) T, G, W, H, R, S
10.If R is scheduled to teach the second class, which of
the following could be scheduled to teach the third
class?
(A) F
(B) G
(C) J
(D) T
(E) W
11.Which of the following must be true about the
schedule of master classes?
(A) J is not scheduled to teach if R is scheduled to
teach.
(B) J is not scheduled to teach if T is scheduled to
teach.
(C) J is not scheduled to teach if W is scheduled to
teach.
(D) W is not scheduled to teach if F is scheduled to
teach.
(E) Z is not scheduled to teach if W is scheduled to
teach.
12.If pianists are scheduled to teach the fourth, fifth, and
sixth classes, which of the following must be true?
(A) F is scheduled to teach the first class.
(B) G is scheduled to teach the first class.
(C) H is scheduled to teach an earlier class than the
class Z is scheduled to teach.
(D) R is scheduled to teach an earlier class than the
class T is scheduled to teach.
(E) S is scheduled to teach an earlier class than the
class T is scheduled to teach.
13.Which of the following must be true about the
schedule of the master classes?
(A) If F is scheduled to teach a class, then H is also
scheduled to teach a class.
(B) If J is scheduled to teach a class, then R is also
scheduled to teach a class.
(C) If J is scheduled to teach a class, then S is also
scheduled to teach a class.
(D) If T is scheduled to teach a class, then R is also
scheduled to teach a class.
(E) If W is scheduled to teach a class, then Z is also
scheduled to teach a class.
14.If classes are scheduled so that the classes taught by
pianists and the classes taught by violinists alternate
with one another, which of the following can be true?
(A) F is scheduled to teach the fourth class.
(B) G is scheduled to teach the first class.
(C) H is scheduled to teach the third class.
(D) R is scheduled to teach the fifth class.
(E) W is scheduled to teach the second class.
15.If a violinist is scheduled to teach the first class and
another violinist is scheduled to teach the sixth class,
which of the following can be true?
(A) F is scheduled to teach the second class.
(B) H is scheduled to teach the sixth class.
(C) R is scheduled to teach the fourth class.
(D) T is scheduled to teach the second class.
(E) W is scheduled to teach the third class.
16.Which of the following CANNOT be true about the
schedule of the master classes?
(A) F is scheduled to teach the third class.
(B) G is scheduled to teach the first class.
(C) T is scheduled to teach the sixth class.
(D) W is scheduled to teach the sixth class.
(E) Z is scheduled to teach the fifth class.
