Statements: 1. All actors are handsome. 2. John is handsome. Conclusions: I. John is an actor. II. John is not an actor. Which conclusion(s) logically follow? MCQ with Answer and Explanation
Statements:
1. All actors are handsome.
2. John is handsome.
Conclusions:
I. John is an actor.
II. John is not an actor.
Which conclusion(s) logically follow?
A. Neither I nor II follows
B. Either I or II follows
C. Only conclusion I follows
D. Only conclusion II follows
Answer: Option B
Solution (By JKSSB Mock Tests)
John is in the 'handsome' category, but we do not know if he is inside the 'actor' sub-category or outside it. Therefore, neither is definite. However, since he must either be an actor or not an actor, the 'either/or' condition applies.
Statements:
1. All apples are fruits.
2. No fruit is a vegetable.
3. Some vegetables are healthy.
Conclusions:
I. No apple is a vegetable.
II. Some healthy things are not apples.
Which conclusion(s) logically follow?
Explanation:
Since apples are fruits and no fruits are vegetables, apples cannot be vegetables (I follows). Some vegetables are healthy, and since vegetables cannot be apples, those healthy vegetables are definitely not apples (II follows).
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