PrepTest 77, Section 1, Question 4
Six entertainers—Robinson, Shahpari, Tigay, Wu, Yeaton, and Zane—are being scheduled for the six performances on the opening day of a community festival. Each entertainer will perform at one of six times—in the morning at 9:00 A.M., 10:00 A.M., or 11:00 A.M., or in the afternoon at 2:00 P.M., 3:00 P.M., or 4:00 P.M.—with no two entertainers performing at the same scheduled time. The order in which the entertainers perform is subject to the following constraints:
Six entertainers—Robinson, Shahpari, Tigay, Wu, Yeaton, and Zane—are being scheduled for the six performances on the opening day of a community festival. Each entertainer will perform at one of six times—in the morning at 9:00 A.M., 10:00 A.M., or 11:00 A.M., or in the afternoon at 2:00 P.M., 3:00 P.M., or 4:00 P.M.—with no two entertainers performing at the same scheduled time. The order in which the entertainers perform is subject to the following constraints:
Six entertainers—Robinson, Shahpari, Tigay, Wu, Yeaton, and Zane—are being scheduled for the six performances on the opening day of a community festival. Each entertainer will perform at one of six times—in the morning at 9:00 A.M., 10:00 A.M., or 11:00 A.M., or in the afternoon at 2:00 P.M., 3:00 P.M., or 4:00 P.M.—with no two entertainers performing at the same scheduled time. The order in which the entertainers perform is subject to the following constraints:
Six entertainers—Robinson, Shahpari, Tigay, Wu, Yeaton, and Zane—are being scheduled for the six performances on the opening day of a community festival. Each entertainer will perform at one of six times—in the morning at 9:00 A.M., 10:00 A.M., or 11:00 A.M., or in the afternoon at 2:00 P.M., 3:00 P.M., or 4:00 P.M.—with no two entertainers performing at the same scheduled time. The order in which the entertainers perform is subject to the following constraints:
Robinson must perform at some time before Zane.
Yeaton's performance must be the next performance after Wu's.
Tigay must perform in the afternoon.
Zane must perform in the morning.
What is the earliest time that Wu could be scheduled to perform?
9:00 A.M.
10:00 A.M.
11:00 A.M.
2:00 P.M.
3:00 P.M.
Explanations
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