Deductive Reasoning Questions

Deductive Reasoning Questions

Deductive Reasoning Questions

1. All reptiles are cold-blooded. All snakes are reptiles. Which of the following can be concluded?
All cold-blooded animals are reptiles
Snakes are cold-blooded
Some reptiles are not snakes
Snakes are the only cold-blooded reptiles
2. In a certain town, everyone who owns a car also owns a bicycle. Some people in the town own motorcycles. Which of the following must be true?
Everyone in the town owns at least one form of transportation
Some car owners also own motorcycles
All bicycle owners in the town also own cars
Anyone who owns a bicycle in this town also owns a car
3. All squares are rectangles. All rectangles are parallelograms. Which of the following conclusions can be drawn?
All parallelograms are squares
All squares are parallelograms
Some rectangles are not squares
All parallelograms are rectangles
4. In a certain town, all residents who own pets must register them with the town hall. John has not registered any pets with the town hall. Which of the following must be true?
John does not own any pets
John is not a resident of the town
If John owns pets, he doesn't live in this town
All residents who have registered with the town hall own pets
5. All squares have equal sides. All rectangles have four right angles. Which of the following conclusions can be drawn?
All shapes with equal sides are squares
All squares have four right angles
All rectangles have equal sides
Some shapes with four right angles are not rectangles
6. All insects have six legs. Centipedes have many legs. Which of the following can be concluded?
Centipedes are not insects
All animals with six legs are insects
Insects are the only animals with six legs
Some insects have more than six legs
7. If it rains, the grass gets wet. The grass is wet. Which of the following can be logically concluded?
It rained
It did not rain
The grass is always wet when it rains
Not enough information to draw a conclusion
8. All planets in our solar system are spherical. This celestial body is not spherical. Which of the following can be logically concluded?
This celestial body is not a planet in our solar system
This celestial body is a star
Some planets in our solar system are not spherical
Not enough information to draw a conclusion
9. If a student studies hard, they will pass the exam. Tom did not pass the exam. Which of the following must be true?
Tom did not study hard
Tom studied hard
Some students who study hard do not pass the exam
Not enough information to draw a conclusion
10. All students in Mrs. Smith's class who turn in their homework on time receive extra credit. John always turns in his homework on time. Which of the following must be true?
John is in Mrs. Smith's class
John receives extra credit
John is the only student who turns in homework on time
If John receives extra credit, he must be in Mrs. Smith's class
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