PrepTest 26, Section 1, Question 7
Eight physics students�four majors: Frank, Gwen, Henry, and Joan; and four nonmajors: Victor, Wanda, Xavier, and Yvette�are being assigned to four laboratory benches, numbered 1 through 4. Each student is assigned to exactly one bench, and exactly two students are assigned to each bench. Assignments of students to benches must conform to the following conditions:
Eight physics students�four majors: Frank, Gwen, Henry, and Joan; and four nonmajors: Victor, Wanda, Xavier, and Yvette�are being assigned to four laboratory benches, numbered 1 through 4. Each student is assigned to exactly one bench, and exactly two students are assigned to each bench. Assignments of students to benches must conform to the following conditions:
Eight physics students�four majors: Frank, Gwen, Henry, and Joan; and four nonmajors: Victor, Wanda, Xavier, and Yvette�are being assigned to four laboratory benches, numbered 1 through 4. Each student is assigned to exactly one bench, and exactly two students are assigned to each bench. Assignments of students to benches must conform to the following conditions:
Eight physics students�four majors: Frank, Gwen, Henry, and Joan; and four nonmajors: Victor, Wanda, Xavier, and Yvette�are being assigned to four laboratory benches, numbered 1 through 4. Each student is assigned to exactly one bench, and exactly two students are assigned to each bench. Assignments of students to benches must conform to the following conditions:
Exactly one major is assigned to each bench.
Frank and Joan are assigned to consecutively numbered benches, with Frank assigned to the lower-numbered bench.
Frank is assigned to the same bench as Victor.
Gwen is not assigned to the same bench as Wanda.
Which one of the following could be the assignments for bench 2 and bench 4?
2: Gwen, Xavier
4: Henry, Yvette
2: Henry, Yvette
4: Joan, Xavier
2: Joan, Victor
4: Gwen, Xavier
2: Joan, Wanda
4: Gwen, Xavier
2: Joan, Xavier
4: Henry, Yvette
Explanations
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