Statements: 1. Some boys are students. 2. All students are tall. Conclusions: I. Some boys are tall. II. All boys are tall. Which conclusion(s) logically follow? MCQ with Answer and Explanation
Statements:
1. Some boys are students.
2. All students are tall.
Conclusions:
I. Some boys are tall.
II. All boys are tall.
Which conclusion(s) logically follow?
A. Both I and II follow
B. Only conclusion II follows
C. Only conclusion I follows
D. Neither I nor II follows
Answer: Option C
Solution (By JKExamLibrary)
The boys who are students must be tall because all students are tall. Hence, some boys are tall (I). We do not know about the boys who are not students, so we cannot conclude all boys are tall (II).
Explanation:
I is too absolute. II contradicts the statement; 'children love ice cream' as a general statement doesn't allow 'some may dislike' if it's a universal claim. If it's taken as all children, then II contradicts; if it's a generic statement, II still cannot be deduced. Typically in reasoning, such a statement means 'all children', so II does not follow. Neither follows.
Statement:
Reading books improves vocabulary and enhances imagination.
Conclusions:
I. People who do not read books have poor vocabulary.
II. A person with a good imagination definitely reads books.
Which conclusion(s) logically follow?
Explanation:
The statement identifies reading as one way to improve vocabulary and imagination. It does not state it is the *only* way. People might improve vocabulary or imagination through other means. Therefore, neither conclusion strictly follows.
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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