Question

In each of the questions below, two statements are given followed by conclusions /group of conclusions numbered I and II. You have to assume all the statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given two conclusions logically follows from the information given in the statements.

Statements
Some men are boys.
No boy is a woman.

Conclusions
I. No man is a woman.
II. No boy is a man.
III. Some men are women.
IV. Some boys are men.

• A. All follow
• B. None follows
• C. Only IV and either I or III follow
• D. Only I and III follow

Answer 1

The correct option is C Only IV and either I or III follow

Some men are boys.
No boy is a woman.
$I+E\Rightarrow O$-type of conclusion
Some men are not women.
Conclusion IV is the converse of the first premise.
Conclusions I and III form a complementary pair. Therefore, either conclusion I or III follows.