PrepTest 23, Section 1, Question 20
Five candidates for mayor�Q, R, S, T, and U�will each speak exactly once at each of three town meetings�meetings 1, 2, and 3. At each meeting, each candidate will speak in one of five consecutive time slots. No two candidates will speak in the same time slot as each other at any meeting. The order in which the candidates will speak will meet the following conditions:
Five candidates for mayor�Q, R, S, T, and U�will each speak exactly once at each of three town meetings�meetings 1, 2, and 3. At each meeting, each candidate will speak in one of five consecutive time slots. No two candidates will speak in the same time slot as each other at any meeting. The order in which the candidates will speak will meet the following conditions:
Five candidates for mayor�Q, R, S, T, and U�will each speak exactly once at each of three town meetings�meetings 1, 2, and 3. At each meeting, each candidate will speak in one of five consecutive time slots. No two candidates will speak in the same time slot as each other at any meeting. The order in which the candidates will speak will meet the following conditions:
Five candidates for mayor�Q, R, S, T, and U�will each speak exactly once at each of three town meetings�meetings 1, 2, and 3. At each meeting, each candidate will speak in one of five consecutive time slots. No two candidates will speak in the same time slot as each other at any meeting. The order in which the candidates will speak will meet the following conditions:
Each candidate must speak either first or second at at least one of the meetings.
Any candidate who speaks fifth at any of the meetings must speak first at at least one of the other meetings.
No candidate can speak fourth at more than one of the meetings.
If R speaks second at meeting 2 and first at meeting 3, which one of the following is a complete and accurate list of those time slots any one of which could be the time slot in which R speaks at meeting 1?
fourth, fifth
first, second, fifth
second, third, fifth
third, fourth, fifth
second, third, fourth, fifth
Explanations
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