Question

In each of the questions below are given four 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
All jungles are trees.
All trees are roads.
All roads are houses.
All houses are buildings.

Conclusions
I. All trees are houses.
II. Some buildings are roads.

• A. Only conclusion I follows
• B. Only conclusion II follows
• C. Either conclusion I or II follows
• D. Neither conclusion I nor II follows
• E. Both conclusions I and II follow

Answer 1

The correct option is E Both conclusions I and II follow

All the four premises are universal affirmative (A-type).
All jungles are trees.
All trees are roads.
$A+A\Rightarrow A$-type conclusion
All jungles are roads.
All trees are roads.
All roads are houses.