Question

In each group of questions below are given three 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 with commonly known facts and then decide which of the given conclusions logically follows from the statements disregarding commonly known facts.

Statements:-
No note is a coin.
Some coins are metals.
All plastics are notes.

Conclusions:-
I. No coin is plastic.
II. All plastics being metals is a possibility.

• 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

No note is a coin. (E-type)
Some coins are metals. (I-type)
$E+I\to O-type$
Some metals are not coins
Another mediate term
All plastics are notes. (A-type)
No note is a coin. (E-type)
$A+E\to E-type$
No plastic is a coin

Conversion No coin is plastics
(Conclusion I follows)


Both conclusion I and II follow.