PrepTest 73, Section 1, Question 9
At a business symposium there will be exactly five speakers: Long, Molina, Xiao, Yoshida, and Zimmerman. Each speaker will give exactly one speech, in either the Gold Room or the Rose Room. In each room, there will be exactly one speech at 1 P.M. and one speech at 2 P.M. In one of the rooms, yet to be determined, there will also be a speech at 3 P.M. The schedule of speeches is constrained by the following:
At a business symposium there will be exactly five speakers: Long, Molina, Xiao, Yoshida, and Zimmerman. Each speaker will give exactly one speech, in either the Gold Room or the Rose Room. In each room, there will be exactly one speech at 1 P.M. and one speech at 2 P.M. In one of the rooms, yet to be determined, there will also be a speech at 3 P.M. The schedule of speeches is constrained by the following:
At a business symposium there will be exactly five speakers: Long, Molina, Xiao, Yoshida, and Zimmerman. Each speaker will give exactly one speech, in either the Gold Room or the Rose Room. In each room, there will be exactly one speech at 1 P.M. and one speech at 2 P.M. In one of the rooms, yet to be determined, there will also be a speech at 3 P.M. The schedule of speeches is constrained by the following:
At a business symposium there will be exactly five speakers: Long, Molina, Xiao, Yoshida, and Zimmerman. Each speaker will give exactly one speech, in either the Gold Room or the Rose Room. In each room, there will be exactly one speech at 1 P.M. and one speech at 2 P.M. In one of the rooms, yet to be determined, there will also be a speech at 3 P.M. The schedule of speeches is constrained by the following:
Molina's speech must be earlier than Long's, and in the same room.
Neither Xiao's speech nor Yoshida's speech can be earlier than Zimmerman's.
If Long's speech is in the Gold Room, then Xiao's and Zimmerman's speeches must both be in the Rose Room.
Which one of the following pairs of speeches cannot be given at the same time?
Long's and Yoshida's
Long's and Zimmerman's
Molina's and Xiao's
Xiao's and Yoshida's
Yoshida's and Zimmerman's
Explanations
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