Analytical Reasoning Question No. 37
A conference organizer must select exactly three speakers to respond to special issue to be presented by an invited speaker. The three speakers will be selected from seven volunteers, of whom four—Irfan, Kamran, Liaquat, and Mohsin—are known to be positively to the speaker's theoretical point of view. The other three—Shabir, Tahir, and Usman—are known to be negatively to the speaker's theoretical point of view. In selecting the three speakers, the conference organizer must observe the following restrictions:
1. At least one positive speaker and at least one negative speaker must be among those selected.
2. If Irfan is selected, Tahir cannot be selected.
3. If either Liaquat or Mohsin is selected, the other must also be selected.
4. If either Kamran or Usman is selected, the other must also be selected.
1. Which of the following could be the group of speakers selected?
(A) Irfan, Liaquat, and Mohsin
(B) Irfan, Shabir, and Tahir
(C) Kamran, Shabir, and Usman
(D) Liaquat, Shabir, and Tahir
(E) Mohsin, Tahir, and Usman
2. If Irfan is selected as a speaker, which of the following must also be among those selected?
(A) Liaquat (B) Mohsin (C) Shabir (D) Tahir (E) Usman
3. Which of the following is a pair of volunteers that can be selected together as speakers?
(A) Irfan and Liaquat
(B) Irfan and Shabir
(C) Kamran and Liaquat
(D) Mohsin and Shabir
(E) Mohsin and Usman
4. The group of speakers selected must include either
(A) Irfan or Shabir
(B) Kamran or Shabir
(C) Kamran or Tahir
(D) Liaquat or Mohsin
(E) Liaquat or Usman
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