Home Subjects Reasoning Ability Syllogism

Reasoning Ability
Syllogism

Critical thinking and logical reasoning questions

16 Q 8 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 11–16 of 16
Topics in Reasoning Ability
Q.11 Easy Syllogism
All cricketers are athletes. Some athletes are disciplined. Which of the following is definitely true?
A All cricketers are disciplined
B Some cricketers are disciplined
C No cricketer is disciplined
D Cannot be determined
Correct Answer:  D. Cannot be determined
EXPLANATION

From the given statements, we cannot establish a definite relationship between cricketers and disciplined individuals. The second statement only tells us some athletes are disciplined, but doesn't specify if those athletes include cricketers.

Test
Q.12 Easy Syllogism
No vegetarian is a meat-eater. All carnivores are meat-eaters. What follows?
A Some vegetarians are carnivores
B No vegetarian is a carnivore
C All vegetarians are carnivores
D Some carnivores are vegetarians
Correct Answer:  B. No vegetarian is a carnivore
EXPLANATION

Since no vegetarian is a meat-eater and all carnivores are meat-eaters, it follows that no vegetarian is a carnivore.

Test
Q.13 Easy Syllogism
Some books are novels. All novels are stories. Can we conclude 'Some books are stories'?
A Yes, definitely
B No, it's uncertain
C No, it's false
D Cannot be determined
Correct Answer:  A. Yes, definitely
EXPLANATION

Some books are novels, and all novels are stories, therefore some books must be stories by logical deduction.

Test
Q.14 Easy Syllogism
All doctors are professionals. All professionals are educated. Therefore, which conclusion follows?
A All educated people are doctors
B Some professionals are not educated
C All doctors are educated
D No doctor is educated
Correct Answer:  C. All doctors are educated
EXPLANATION

By transitive property: All doctors are professionals, and all professionals are educated, therefore all doctors are educated.

Test
Q.15 Easy Syllogism
No flower is a fruit. All fruits are sweet. What can be concluded?
A Some flowers are sweet
B No flower is sweet
C All flowers are sweet
D All sweet things are fruits
Correct Answer:  B. No flower is sweet
EXPLANATION

Since no flower is a fruit, and all fruits are sweet, flowers cannot be sweet through this relation.

Test
Q.16 Easy Syllogism
All cats are animals. Some animals are pets. Which of the following conclusions is definitely true?
A All cats are pets
B Some cats are pets
C No cat is a pet
D All animals are cats
Correct Answer:  B. Some cats are pets
EXPLANATION

From 'All cats are animals' and 'Some animals are pets', we can only conclude that it's possible some cats are pets, but not definite.

Test
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