Q. No birds are mammals. Some mammals are not reptiles. Which conclusion is valid?
-
A.
Some birds are reptiles.
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B.
All mammals are birds.
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C.
Some reptiles are not mammals.
-
D.
All reptiles are birds.
Solution
Since no birds are mammals and some mammals are not reptiles, it can be concluded that some reptiles are not mammals.
Correct Answer:
C
— Some reptiles are not mammals.
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Q. No birds are mammals. Some mammals are not reptiles. Which of the following conclusions can be drawn?
-
A.
All birds are reptiles.
-
B.
Some birds are not mammals.
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C.
All mammals are birds.
-
D.
Some reptiles are not mammals.
Solution
Since no birds are mammals, it can be concluded that some birds are not mammals.
Correct Answer:
B
— Some birds are not mammals.
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Q. No cars are bicycles. Some bicycles are not motorcycles. Which conclusion is valid?
-
A.
All motorcycles are cars.
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B.
Some cars are not motorcycles.
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C.
Some bicycles are cars.
-
D.
Some motorcycles are not bicycles.
Solution
Since no cars are bicycles and some bicycles are not motorcycles, it can be concluded that some motorcycles are not bicycles.
Correct Answer:
D
— Some motorcycles are not bicycles.
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Q. No cars are bicycles. Some bicycles are not motorcycles. Which of the following conclusions can be drawn?
-
A.
All motorcycles are cars.
-
B.
Some cars are not motorcycles.
-
C.
Some bicycles are cars.
-
D.
Some motorcycles are not bicycles.
Solution
Since no cars are bicycles and some bicycles are not motorcycles, it can be concluded that some motorcycles are not bicycles.
Correct Answer:
D
— Some motorcycles are not bicycles.
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Q. No fish are mammals. Some mammals are not birds. Which conclusion is valid?
-
A.
All birds are fish.
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B.
Some fish are not birds.
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C.
Some mammals are fish.
-
D.
All mammals are birds.
Solution
Since no fish are mammals and some mammals are not birds, it can be concluded that some fish are not birds.
Correct Answer:
B
— Some fish are not birds.
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Q. No fish are mammals. Some mammals are not cats. Therefore, no fish are cats. Is this conclusion valid?
-
A.
Yes
-
B.
No
-
C.
Cannot be determined
-
D.
Only if more information is provided
Solution
The conclusion is valid. If no fish are mammals and some mammals are not cats, it follows that no fish can be cats.
Correct Answer:
A
— Yes
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Q. No fish are mammals. Some mammals are not whales. Therefore, no fish are whales. Is this conclusion valid?
-
A.
Yes
-
B.
No
-
C.
Only if all mammals are fish
-
D.
Only if some fish are mammals
Solution
The conclusion is not valid. The premises do not provide enough information to conclude anything about the relationship between fish and whales.
Correct Answer:
B
— No
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Q. No students are dropouts. Some dropouts are not employed. Which of the following conclusions can be drawn?
-
A.
All employed people are students.
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B.
Some students are not employed.
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C.
Some dropouts are students.
-
D.
Some employed people are not dropouts.
Solution
Since no students are dropouts and some dropouts are not employed, it can be concluded that some employed people are not dropouts.
Correct Answer:
D
— Some employed people are not dropouts.
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Q. Pencil is to Write as Brush is to ?
-
A.
Paint
-
B.
Draw
-
C.
Sketch
-
D.
Color
Solution
A pencil is used to write, while a brush is used to paint.
Correct Answer:
A
— Paint
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Q. Pencil is to Write as Eraser is to?
-
A.
Draw
-
B.
Erase
-
C.
Color
-
D.
Sketch
Solution
A pencil is used to write, just as an eraser is used to erase.
Correct Answer:
B
— Erase
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Q. Select the word that is not related: Doctor, Nurse, Hospital, Car.
-
A.
Doctor
-
B.
Nurse
-
C.
Hospital
-
D.
Car
Solution
Car is not related to the medical profession.
Correct Answer:
D
— Car
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Q. Some fruits are sweet. All sweet things are tasty. Which conclusion is correct?
-
A.
All fruits are tasty.
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B.
Some tasty things are fruits.
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C.
Some sweet things are not fruits.
-
D.
All tasty things are fruits.
Solution
Since some fruits are sweet and all sweet things are tasty, it follows that some tasty things are fruits.
Correct Answer:
B
— Some tasty things are fruits.
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Q. Some fruits are sweet. All sweet things are tasty. Which of the following conclusions can be drawn?
-
A.
All fruits are tasty.
-
B.
Some tasty things are fruits.
-
C.
Some sweet things are not fruits.
-
D.
All tasty things are sweet.
Solution
Since some fruits are sweet and all sweet things are tasty, it follows that some tasty things are fruits.
Correct Answer:
B
— Some tasty things are fruits.
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Q. Some teachers are not professors. All professors are educated. Which conclusion is correct?
-
A.
All teachers are educated.
-
B.
Some educated people are not teachers.
-
C.
Some professors are not teachers.
-
D.
All educated people are teachers.
Solution
Since some teachers are not professors and all professors are educated, it can be concluded that all teachers are educated.
Correct Answer:
A
— All teachers are educated.
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Q. Some teachers are not professors. All professors are educated. Which of the following conclusions can be drawn?
-
A.
All teachers are educated.
-
B.
Some educated people are not teachers.
-
C.
Some professors are not teachers.
-
D.
All educated people are professors.
Solution
Since all professors are educated, it can be concluded that all teachers are educated.
Correct Answer:
A
— All teachers are educated.
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Q. Some teachers are strict. All strict people are disciplined. Which of the following conclusions can be drawn?
-
A.
All teachers are disciplined.
-
B.
Some disciplined people are teachers.
-
C.
Some strict people are not teachers.
-
D.
All disciplined people are teachers.
Solution
Since some teachers are strict and all strict people are disciplined, it follows that some disciplined people are teachers.
Correct Answer:
B
— Some disciplined people are teachers.
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Q. Statement: A balanced diet is crucial for health. Assumption: Health is the most important aspect of life.
-
A.
True
-
B.
False
-
C.
Cannot be determined
-
D.
None of the above
Solution
The assumption is subjective and does not necessarily follow from the statement.
Correct Answer:
B
— False
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Q. Statement: All birds can fly. Argument: Therefore, penguins can fly.
-
A.
Argument is strong.
-
B.
Argument is weak.
-
C.
Argument is irrelevant.
-
D.
Argument is valid.
Solution
The argument is weak because it incorrectly includes penguins, which cannot fly.
Correct Answer:
B
— Argument is weak.
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Q. Statement: All birds can fly. Assumption: Penguins are birds.
-
A.
True
-
B.
False
-
C.
Cannot be determined
-
D.
None of the above
Solution
The assumption is false because penguins are birds that cannot fly, contradicting the statement.
Correct Answer:
B
— False
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Q. Statement: All birds can fly. Assumption: Some flying creatures are not birds.
-
A.
True
-
B.
False
-
C.
Cannot be determined
-
D.
None of the above
Solution
The assumption contradicts the statement, as it implies that not all flying creatures are birds.
Correct Answer:
B
— False
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Q. Statement: All cats are mammals. Argument: Therefore, all mammals are cats.
-
A.
Argument is strong.
-
B.
Argument is weak.
-
C.
Argument is irrelevant.
-
D.
Argument is valid.
Solution
The argument is weak because it incorrectly assumes that all mammals are cats, which is not true.
Correct Answer:
B
— Argument is weak.
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Q. Statement: All cats are mammals. Argument: Therefore, some mammals are cats.
-
A.
The argument is valid.
-
B.
The argument is invalid.
-
C.
The argument is irrelevant.
-
D.
The argument is a tautology.
Solution
The argument is valid because if all cats are mammals, it logically follows that some mammals are indeed cats.
Correct Answer:
A
— The argument is valid.
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Q. Statement: All cats are mammals. Assumption: Some mammals are cats.
-
A.
True
-
B.
False
-
C.
Cannot be determined
-
D.
None of the above
Solution
If all cats are mammals, it logically follows that some mammals must be cats.
Correct Answer:
A
— True
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Q. Statement: All dogs are animals. Argument: Therefore, all animals are dogs.
-
A.
The argument is valid.
-
B.
The argument is invalid.
-
C.
The argument is a syllogism.
-
D.
The argument is a paradox.
Solution
The argument is invalid because the statement does not imply that all animals are dogs, only that all dogs are included in the category of animals.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: All dogs bark. Assumption: Some animals that bark are dogs.
-
A.
True
-
B.
False
-
C.
Cannot be determined
-
D.
None of the above
Solution
If all dogs bark, then it is true that some animals that bark are indeed dogs.
Correct Answer:
A
— True
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Q. Statement: All dogs bark. Assumption: Some animals that bark are not dogs.
-
A.
True
-
B.
False
-
C.
Cannot be determined
-
D.
None of the above
Solution
The assumption is valid as it does not contradict the statement about dogs.
Correct Answer:
A
— True
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Q. Statement: All fruits are healthy. Assumption: Some unhealthy foods are not fruits.
-
A.
True
-
B.
False
-
C.
Cannot be determined
-
D.
None of the above
Solution
The assumption is true and does not contradict the statement about fruits being healthy.
Correct Answer:
A
— True
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Q. Statement: All fruits have seeds. Argument: Therefore, strawberries are fruits because they have seeds.
-
A.
Argument is strong.
-
B.
Argument is weak.
-
C.
Argument is irrelevant.
-
D.
Argument is valid.
Solution
The argument is strong because it correctly identifies strawberries as fruits based on the given statement.
Correct Answer:
A
— Argument is strong.
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Q. Statement: All humans are mortal. Argument: Therefore, Socrates is mortal because he is a human.
-
A.
Argument is strong.
-
B.
Argument is weak.
-
C.
Argument is irrelevant.
-
D.
Argument is valid.
Solution
The argument is strong because it correctly applies the general statement about humans to a specific case (Socrates).
Correct Answer:
A
— Argument is strong.
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Q. Statement: All humans are mortal. Argument: Therefore, Socrates is mortal.
-
A.
The argument is valid.
-
B.
The argument is invalid.
-
C.
The argument is a syllogism.
-
D.
The argument is a tautology.
Solution
The argument is valid because Socrates, being a human, must be mortal as per the statement.
Correct Answer:
A
— The argument is valid.
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Showing 241 to 270 of 416 (14 Pages)
