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
All bulbs are wires.
No wire is a cable.
Some cables are brushes.
All brushes are paints

Conclusions
I. Some paints are cables.
II. Some wires are bulbs.
III. Some brushes are wires.
IV. Some cables are bulbs.

• A. None follows
• B. Only I and II follow
• C. Only II follows
• D. Only III follows
• E. Only IV follows

Answer 1

The correct option is B Only I and II follow

All bulbs are wires.
No wire is a cable.
$A+E\Rightarrow E$-type of conclusion
No bulb is a cable.
Som cables are brushes.
All brushes are paints.
$I+A\Rightarrow I$-type of conclusion
Some cables are paints.
Conclusion I is the converse of it.
Conclusion II is the converse of the first premise.