Logical Reasoning - Logical Deduction - Discussion
Discussion Forum : Logical Deduction - Section 2 (Q.No. 8)
Directions to Solve
In each of the following questions, two statements are given followed by three or four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
8.
Statements: Some books are pens. No pen is pencil.
Conclusions:
- Some pens are books.
- Some pencils are books.
- Some books are not pencils.
- All pencils are books.
Answer: Option
Explanation:
Since one premise is particular and the other negative, the conclusion must be particular negative and should not contain the middle term. Thus, III follows. I is the converse of the first premise and so it also holds.
Discussion:
3 comments Page 1 of 1.
Zapak said:
8 years ago
In possibility diagram it shows some books might be pencils so option c goes wrong and only option A follows.
(1)
Nikhil said:
8 years ago
In the option three, it is saying that "some books are not pencils", but in the statement, he does not give any relation between books and pencils, so how will you confirm the relation between them (in option 3). So the answer is A.
Dhruv said:
8 years ago
In the option three, it is saying that "some books are not pencils", but in the statement, he does not give any relation between books and pencils, so how will you confirm the relation between them (in option 3). So the answer is A.
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