Questions 1-6
Positions 1, 2, 3, and 4 are the only positions that Y and Z, the two hands on a dial, can be in. Y cannot be in the same position as Z at any one time.
The only possible changes in position are:
From 1 to 2 and vice versa
From 2 to 3 and vice versa
From 3 to 4 and vice versa
From 4 to 1 and vice versa
Only one hand can change position at any one time, and each change in position is followed by a period during which both hands are still.
1. Which of the following is a possible sequence of consecutive positions through which one of the hands could have moved?
(A) 1, 2, 1, 3
(B) 1, 2, 3, 1
(C) 2, 1, 2, 1
(D) 3, 2, 4, 3,
(E) 4, 1, 4, 2
2. If Y is in position 1 and Z is in position 3, each of the following is a possible change from its current position for one of the hands EXCEPT from
(A) 1 to 2
(B) 1 to 4
(C) 2 to 3
(D) 3 to 2
(E) 3 to 4
3. If Y is in position 2 and Z is in position 3, and if each hand changes position exactly once, which of the following could be the two position changes performed?
(A) From 2 to 3, from 1 to 4
(B) From 2 to 1, from 3 to 4
(C) From 2 to 1, from 1 to 4
(D) From 3 to 2, from 2 to 3
(E) From 3 to 4, from 4 to 1
4. If two consecutive position changes both involve Y only, the first from 2 to 3, and the second from 3 to 4, which of the following must be true?
(A) If Z moves next, Z goes from 1 to 2.
(B) If Z moves next, Z goes from 2 to 1.
(C) If Z moves next, Z goes from 2to 3.
(D) On the next move, Y goes from 4 to 1.
(E) On the next move, Y goes from 4 to 3.
5. If Y is in position 4 and Z is in position 1, what is the minimum number of position changes required for Y and Z to exchange their current positions?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
6. Which of the following must have occurred during a period in which Y's positions were, consecutively, 1, 2, 3, 4, and 1?
(A) Y stood still in position 2 while Z changed position.
(B) Y stood still in position 4 while Z changed position.
(C) Z made as many position changes as did Y.
(D) Z made exactly two position changes interspersed among Y's.
(E) Z made at least two position changes.
7. A group of subjects saw a film of two cars colliding. Immediately afterward, half of the group were asked a set of questions about the cars "bumping" into one another, while the other half were asked the same questions, but with the verb "smash" substituted for "bumping". In later descriptions of the filmed collision, subjects in the latter half were more likely to remember seeing broken glass. "
The experiment described above best supports which of the following conclusions about eyewitness testimony?
(A) A witness who is agitated at the time of an event is likely to give less accurate testimony than is a calm witness.
(B) A witness' perception of an event will be distorted if inflammatory language is used by the questioner.
(C) The manner in which a witness is questioned after an event can influence the recollection of the witness.
(D) Most eyewitness testimony can be assumed to contain inaccurate elements.
(E) Special questioning techniques can be developed that will be more conducive to eliciting accurate information from witnesses that traditional techniques have been.
8. New York State legalized a system of off track betting on horse races in the hope of gathering some revenue for itself while reducing illegal gambling. Since the law was passed, however, the number of illegal off-track bets has increased substantially. The reason is not hard to fathom. When the state itself dec1ared gambling to be legitimate, it swept aside the moral reservations that had made many people reluctant to gamble.
The author does not adequately account for the increase mentioned in the passage, because the author does not explain why
(A) people who overcame their moral reservations about gambling would place illegal rather than legal bets
(B) people with moral reservations about gambling failed to prevent the legalization of a system of betting
(C) New York State continued to permit legal betting when the increase in illegal betting became evident
(D) New York State believed that legalized off track betting would increase state revenues
(E) New York State believed that legalized off track betting would undercut the illegal gambling network
9. Studies of 108 South American mummies show that pneumonia was a major cause of death in that continent 3,000 years ago and that the incidence of pneumonia death was close to the incidence of pneumonia death today.
Which of the following would be most important to know in evaluating the accuracy of the statement above?
(A) The incidence of pneumonia death as evidenced by mummies from other continents
(B) Whether people 3,000 years ago had any conception of the disease pneumonia
(C) Causes of death, other than pneumonia, apparent in the mummies studied
(D) The general incidence of disease in South America 3,000 years ago
(E) If the mummies were representative of the South American population of their time
Questions 10-15
A patient with disease G will exhibit both a rash and a fever and either a sore throat or a headache, but not both.
A patient with disease L will exhibit both a rash and a fever but neither a sore throat nor a headache.
A patient with disease T will exhibit at least a sore throat and a headache and possibly other symptoms.
A patient with disease Z will exhibit at least a head- ache, and possibly other symptoms, but never a rash.
No one has more than one of the diseases G, L, T, Z at once.
10. If a patient exhibits both a sore throat and a fever, it must be true that the patient
(A) has disease Z
(B) does not have disease G
(C) does not have disease L
(D) has a rash
(E) has a headache
11. If a patient who has one of the diseases mentioned above does not have a rash, the patient must have
(A) a fever
(B) a headache
(C) a sore throat
(D) disease T
(E) disease Z
12. If Miller, a patient, does not have a sore throat, it must be true that she
(A) has disease L
(B) has disease Z
(C) does not have disease G
(D) does not have disease Z
(E) does not have disease T
13. If Rodriguez, a patient who has one of the diseases mentioned above, has neither a fever nor a sore throat, she must have which of the following?
Ⅰ. A headache
Ⅱ. Disease Z
Ⅲ. A rash
(A) Ⅰonly
(B) Ⅱonly
(C) Ⅲ only
(D) Ⅰand Ⅱ only
(E) Ⅱ and Ⅲ only
14. If Harris, a patient who has one of the diseases mentioned above, does not have a fever, he must have which of the following?
Ⅰ. A headache
Ⅱ. A rash
Ⅲ. A sore throat
(A) Ⅰonly
(B) Ⅱ only
(C) Ⅲ only
(D) Ⅰand Ⅱ only
(E) Ⅱand Ⅲ only
15. If the only symptoms of a patient with one of the diseases mentioned above are a fever and a headache, the patient
(A) must have disease G
(B) must have disease L
(C) must have disease T
(D) must have disease Z
(E) could have either disease G or disease T |
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