(C) give everyone part of what he or she claims
(D) reinforce existing social structures
(E) resolve conflicts of interest
25. If we believe that the Earth moves, even though we do not feel it move, and that the Sun does not move around the Earth, even though we see that it does, we might as well completely give up trusting our five senses.
The argument above is vulnerable to which of the following objections?
(A) Why should sight be any less trustworthy than the other senses, when it appears to be the most accurate?
(B) How can we say that an object we know to be large, such as the Sun, revolves around a much smaller object, such as the Earth?
(C) What authority o the sense perceptions of a single person have, when contrasted with the objective system of scientific knowledge?
(D) Why should we refuse to say that the Earth moves, when we see the Sun rise and set every day?
(E) How do we know that the Earth moves around the Sun, if it is not from evidence gained through the senses?
In a study of five brands of pain reliever, P, Q, R, S, and T, the brands were tested and ranked against each other as more or less effective per dose. The following results were obtained:
(1) P was more effective than Q.
(2) The effectiveness of R was less than that of S.
(3) T was the least effective brand tested.
(4) Q and R were equally effective.
(5) The effectiveness of S was greater than that of Q.
1. If the statements above giving the results of the study are true, which of the following must also be true?
(A) P and S were equally effective.
(B) P was the most effective brand tested.
(C) S was the most effective brand tested.
(D) R was less effective than P.
(E) T did not relieve pain.
2. All of the information in the results given above can be derived from which of the following groups of statements?
(A) Statements 1, 2, and 3
(B) Statements 1, 3, and 4
(C) Statements 2, 3, and 4
(D) Statements 1, 2, 3, and 4
(E) Statements 2, 3, 4, and 5
3. If a sixth brand, M, is tested and is found to be more effective than S, then which of the following must be true if the findings of the study are correct?
(A) M is the most effective of the six brands tested.
(B) At least four of the six brands tested are less effective that M.
(C) M is more effective than P.
(D) M is less effective than P.
(E) No more than four of the six brands tested are more effective than T.
4. If R is more expensive per dose than P, and T is less expensive per does than R, which of the following must be true, according to the study, for a consumer who wishes to buy a pain reliever with the greatest effectiveness for the amount spent per dose?
(A) P should be purchase instead of R.
(B) P should be purchased instead of T.
(C) T should be purchased instead of R.
(D) Q should be purchased instead of R if Q is the same price as S.
(E) Q should be purchased instead of T if Q is the same price as R