Question

In each of the questions below four statements are given, followed by 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 commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some pencils are kites.
Some kites are desks.
All desks are jungles.
All jungles are mountains.

Conclusions
I. Some mountains are pencils.
II. Some jungles are pencils.
III. Some mountains are desks.
IV. Some jungles are kites.

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

Answer 1

The correct option is C Only III and IV follow

Some kites are desks.
All desks are jungles.
$I+A\Rightarrow I$-type of conclusion
Some kites are jungles.
Conclusion IV is the converse of it.
All desks are jungles.
All jungles are mountains.
$A+A\Rightarrow A$ -type of conclusion
All desks are mountains.
Conclusion III is the converse of it.