Question

In each of the questions below are given three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some days are nights.
Some nights are months.
Some months are years.

Conclusions
I.Some years are nights.
II.Some months are days.
III. No year is a night.

• A. Only I follows
• B. Only II follows
• C. Only III follows
• D. Only either I or III follows
• E. None of these

Answer 1

The correct option is D Only either I or III follows

All three premises are particular affirmative (I-type). No conclusion follows from the two particular premises.
Conclusions I and Ill form a complementary pair. Therefore, either I or III follows.