PrepTest 86, Section 1, Question 3
Six speakers�Jacobs, Kennedy, Lewis, Martin, Navarro, and Ota�will lecture at an upcoming two-day conference, held on a Thursday and Friday. Lectures will be given at 1:00, 2:00, and 3:00 each day. Each speaker will lecture exactly once, and only one speaker will lecture at a time. The schedule for the conference must conform to the following conditions:
Six speakers�Jacobs, Kennedy, Lewis, Martin, Navarro, and Ota�will lecture at an upcoming two-day conference, held on a Thursday and Friday. Lectures will be given at 1:00, 2:00, and 3:00 each day. Each speaker will lecture exactly once, and only one speaker will lecture at a time. The schedule for the conference must conform to the following conditions:
Six speakers�Jacobs, Kennedy, Lewis, Martin, Navarro, and Ota�will lecture at an upcoming two-day conference, held on a Thursday and Friday. Lectures will be given at 1:00, 2:00, and 3:00 each day. Each speaker will lecture exactly once, and only one speaker will lecture at a time. The schedule for the conference must conform to the following conditions:
Six speakers�Jacobs, Kennedy, Lewis, Martin, Navarro, and Ota�will lecture at an upcoming two-day conference, held on a Thursday and Friday. Lectures will be given at 1:00, 2:00, and 3:00 each day. Each speaker will lecture exactly once, and only one speaker will lecture at a time. The schedule for the conference must conform to the following conditions:
Jacobs lectures at 1:00.
Martin and Navarro lecture on the same day as each other.
Lewis and Ota do not lecture on the same day as each other.
If Lewis lectures on Friday, Lewis lectures at 1:00.
Which one of the following is a pair of speakers who CANNOT lecture on the same day as each other?
Jacobs and Navarro
Jacobs and Ota
Kennedy and Lewis
Lewis and Martin
Navarro and Ota
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