Question

In each of the following questions, two statements are given followed by two/four conclusions I, II, III and IV. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions if any, follow from the given statements.

Statements
All buses are houses.
Some houses are lakes.

Conclusions
I. Some buses are lakes.
II. Some lakes are buses.
III. Some lakes are houses.
IV. Some houses are buses.

• A. All conclusions follow
• B. Only conclusions II and III follow
• C. Only conclusions I and II follow
• D. Only conclusions III and IV follow
• E. None of these

Answer 1

The correct option is D Only conclusions III and IV follow

All buses are houses.
Some houses are lakes.
$A+I\Rightarrow$ No conclusion
Conclusion III is the converse of the second premise.
Conclusion IV is the converse of the first premise.