PrepTest 23, Section 1, Question 23
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.
It could be true that at all three meetings T speaks
first
second
in some time slot after the time slot in which R speaks
in some time slot after the time slots in which S and U speak
in some time slot before the time slots in which R and U speak
Explanations
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