Question

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

Statements
All metals are plastics.
All plastics are cloth.
All cloth are threads.

Conclusions
I. All metals are threads.
II. All plastics are threads.

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

Answer 1

The correct option is E Both conclusion I and conclusion II follow

All metals are plastics.
All plastics are cloth.
$A+A\Rightarrow A$-type of Conclusion
"All metals are cloth".
All plastics are cloth.
All cloth are threads.
$A+A\Rightarrow A$-type of conclusion
All plastics are threads.
This is conclusion II.
All metals are cloth.
All cloth are threads.
$A+A\Rightarrow A$-type of conclusion
All metals are threads.
This is conclusion I.