PrepTest 26, Section 1, Question 24
In each of two years exactly two of four lawmakers�Feld, Gibson, Hsu, and Ivins�and exactly two of three scientists�Vega, Young, and Zapora�will serve as members of a four-person panel. In each year, one of the members will be chairperson. The chairperson in the first year cannot serve on the panel in the second year. The chairperson in the second year must have served on the panel in the first year. Service on the panel must obey the following conditions:
In each of two years exactly two of four lawmakers�Feld, Gibson, Hsu, and Ivins�and exactly two of three scientists�Vega, Young, and Zapora�will serve as members of a four-person panel. In each year, one of the members will be chairperson. The chairperson in the first year cannot serve on the panel in the second year. The chairperson in the second year must have served on the panel in the first year. Service on the panel must obey the following conditions:
In each of two years exactly two of four lawmakers�Feld, Gibson, Hsu, and Ivins�and exactly two of three scientists�Vega, Young, and Zapora�will serve as members of a four-person panel. In each year, one of the members will be chairperson. The chairperson in the first year cannot serve on the panel in the second year. The chairperson in the second year must have served on the panel in the first year. Service on the panel must obey the following conditions:
In each of two years exactly two of four lawmakers�Feld, Gibson, Hsu, and Ivins�and exactly two of three scientists�Vega, Young, and Zapora�will serve as members of a four-person panel. In each year, one of the members will be chairperson. The chairperson in the first year cannot serve on the panel in the second year. The chairperson in the second year must have served on the panel in the first year. Service on the panel must obey the following conditions:
Gibson and Vega do not serve on the panel in the same year as each other.
Hsu and Young do not serve on the panel in the same year as each other.
Each year, either Ivins or Vega, but not both, serves on the panel.
Which one of the following must be true?
Feld is on the panel in the second year.
Hsu is on the panel in the first year.
Ivins is on the panel in both years.
Young is on the panel in both years.
Zapora is on the panel in the second year.
Explanations
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