Logic
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HSPT Language Skills › Logic
Tallis’ music is more enjoyable than Byrd’s. Haydn’s music is less enjoyable than Byrd’s. Tallis’ music is less enjoyable Haydn’s. If the first two sentences are true, the third is .
false
true
uncertain
Explanation
Let’s use symbols from math to help us understand this. “Greater than” (>) will mean “is more enjoyable than,” and “less than” (<) will mean “is less enjoyable than.”
(1) Tallis’ music is more enjoyable than Byrd’s: Tallis > Byrd
(2) Haydn’s music is less enjoyable than Byrd’s: Haydn < Byrd
This could be rewritten: Byrd > Haydn
Thus, combining everything, we would have:
Tallis > Byrd > Haydn
It is false to say that Tallis' music is less enjoyable than Haydn's.
Tallis’ music is more enjoyable than Byrd’s. Haydn’s music is less enjoyable than Byrd’s. Tallis’ music is less enjoyable Haydn’s. If the first two sentences are true, the third is .
false
true
uncertain
Explanation
Let’s use symbols from math to help us understand this. “Greater than” (>) will mean “is more enjoyable than,” and “less than” (<) will mean “is less enjoyable than.”
(1) Tallis’ music is more enjoyable than Byrd’s: Tallis > Byrd
(2) Haydn’s music is less enjoyable than Byrd’s: Haydn < Byrd
This could be rewritten: Byrd > Haydn
Thus, combining everything, we would have:
Tallis > Byrd > Haydn
It is false to say that Tallis' music is less enjoyable than Haydn's.
Teddy has more fun than Jack. Franklin has less fun than Jack. Teddy has more fun than Franklin. If the first two sentences are true, the third is .
true
false
uncertain
Explanation
Let’s use symbols from math to help us understand this. "Greater than" (>) will mean "has more fun," and "less than" (<) will mean "has less fun."
(1) Teddy has more fun than Jack: Teddy > Jack
(2) Franklin has less fun than Jack: Franklin < Jack
This could also be written: Jack > Franklin
Therefore, we could string all of these together into:
Teddy > Jack > Franklin
Therefore, (3) Teddy > Franklin does hold.
Teddy has more fun than Jack. Franklin has less fun than Jack. Teddy has more fun than Franklin. If the first two sentences are true, the third is .
true
false
uncertain
Explanation
Let’s use symbols from math to help us understand this. "Greater than" (>) will mean "has more fun," and "less than" (<) will mean "has less fun."
(1) Teddy has more fun than Jack: Teddy > Jack
(2) Franklin has less fun than Jack: Franklin < Jack
This could also be written: Jack > Franklin
Therefore, we could string all of these together into:
Teddy > Jack > Franklin
Therefore, (3) Teddy > Franklin does hold.
John is more tedious than Robert. Robert is more exciting than Alan. Alan is more exciting than John. If the first two sentences are true, the third is .
uncertain
false
true
Explanation
Note that when something is "tedious" it is boring, hence, less exciting than something else. Let’s use symbols from math to help us understand this problem. “Greater than” (>) will mean “more exciting,” and “less than” (<) will mean “more tedious (i.e. less exciting).”
(1) John is more tedious than Robert: John < Robert
Notice that this could be rewritten: Robert > John
(2) Robert is more exciting than Alan: Robert > Allen
Therefore, our information only tells us that Robert is more exciting than both John and Allen. It says nothing about the relationship between Allen and John.
John is more tedious than Robert. Robert is more exciting than Alan. Alan is more exciting than John. If the first two sentences are true, the third is .
uncertain
false
true
Explanation
Note that when something is "tedious" it is boring, hence, less exciting than something else. Let’s use symbols from math to help us understand this problem. “Greater than” (>) will mean “more exciting,” and “less than” (<) will mean “more tedious (i.e. less exciting).”
(1) John is more tedious than Robert: John < Robert
Notice that this could be rewritten: Robert > John
(2) Robert is more exciting than Alan: Robert > Allen
Therefore, our information only tells us that Robert is more exciting than both John and Allen. It says nothing about the relationship between Allen and John.
English majors read more books than anthropology majors. Computer science majors read fewer books than biology majors. Biology majors read fewer books than English majors. Which of the following is true?
None of the other answers
Biology majors read more than anthropology majors.
Anthropology majors read more than biology majors.
Anthropology majors read more than computer science majors.
Computer science majors read more than anthropology majors.
Explanation
Let's rewrite this in a semi-mathematical manner, using the following shorthand:
E: (Books read by) English Majors
A: (Books read by) Anthropology Majors
CS: (Books read by) Computer Science Majors
B: (Books read by) Biology Majors
We know the following:
(1) E > A
(2) CS < B
(3) B < E
Now, we can combine (2) and (3):
CS < B < E
Let's rewrite that:
E > B > CS
Now, while we know that E > A, we cannot say anything about the relative position of A. It could be all the way below the computer science majors, it could be between biology and computer science, etc. None of the answers are acceptable.
All musicians are temperamental. Temperamental people are either angry or joyful. Peter and Ronald are friends. Ronald is joyful. Which of the following is true?
Ronald might be a musician.
Peter is also joyful.
Peter and Ronald have a tumultuous friendship.
Ronald is a musician.
Peter is not a musician.
Explanation
Do not be distracted by additional information that is included in this question. We actually are not told too terribly much, but let's note what we can. We are told nothing about Peter other than his friendship with Ronald. The best that we can say about Peter is, "Peter has a joyful friend." This is not provided among the options. Now, since Ronald is joyful, there is a chance he is temperamental. This is not guaranteed—the problem states merely that if you are temperamental, then you will be either angry or joyful. It says nothing about the "other direction" (i.e. from joy to temperamental). Someone who is joyful may just be that—joyful—without being temperamental. Still, being temperamental is not incompatible with being joyful. Thus, there is a chance that Ronald is temperamental. While not all temperamental people are musicians—given what we have said—it is not incompatible with being temperamental to be a musician. Thus, among the answers, only, "Ronald might be a musician," is correct. Note, however, that this is a very weak claim.
Almost all roaches are disease-filled. The local garbage pit is overrun with millions of roaches. Which of the following is true?
The garbage pit is likely to be disease-filled.
The garbage pit is disease-filled.
There are some disease-free roaches in the garbage pit.
None of the other answers
The garbage pit is completely free of disease.
Explanation
Given that we know that almost all roaches are filled with diseases and that there are millions of them in the garbage pit, we can at least surmise that there is a great likelyhood that there will be a good deal of disease in the pit. Still, we cannot say this conclusively. There is always the (very improbable) chance that only disease-free roaches are in the pit. Likewise, we cannot guarantee that there are any disease-free roaches in the pit. It could be the case as well that all million are disease-ridden. The best that we can conclude is the modest answer, "The garbage pit is likely to be disease-filled."
English majors read more books than anthropology majors. Computer science majors read fewer books than biology majors. Biology majors read fewer books than English majors. Which of the following is true?
None of the other answers
Biology majors read more than anthropology majors.
Anthropology majors read more than biology majors.
Anthropology majors read more than computer science majors.
Computer science majors read more than anthropology majors.
Explanation
Let's rewrite this in a semi-mathematical manner, using the following shorthand:
E: (Books read by) English Majors
A: (Books read by) Anthropology Majors
CS: (Books read by) Computer Science Majors
B: (Books read by) Biology Majors
We know the following:
(1) E > A
(2) CS < B
(3) B < E
Now, we can combine (2) and (3):
CS < B < E
Let's rewrite that:
E > B > CS
Now, while we know that E > A, we cannot say anything about the relative position of A. It could be all the way below the computer science majors, it could be between biology and computer science, etc. None of the answers are acceptable.