Question

In each of the questions below are given four statements followed by three conclusions numbered I, II and III, 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:-
I. Some pens are knives.
II. All knives are pins.
III. Some pins are needles.
IV. All needles are chairs.

Conclusions
I. Some chains are pins.
II. Some needles are knives.
III. Some pins are pens.

• A. Only I follows
• B. Only II follows
• C. Only III follows
• D. Only II and III follow
• E. None of the above

Answer 1

The correct option is A Only I follows

The mediate term of the following statements.
Some pens are knives (I-type)
$\downarrow$
All knives are pins (A-type)
$I+A\to I-Type$
Some pens are pins
(Conclusion III follows and some pins are needles (I-type)
$\downarrow$
all needles are chains (A-type)
some pins are chains
conversion some chains are pins.
(Conclusion I follows)