New Workshop on Job Profile of RBI Grade B Officer by Susheel Ragade sir
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Question

In each of the 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. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

No guitar is a violin.

Some violins are pianos.

All sitars are pianos.

Conclusions:

I. Atleast some pianos are violins.

II. Some guitars are not pianos.

A If only conclusion I follows. Correct Answer Incorrect Answer
B If only conclusion II follows. Correct Answer Incorrect Answer
C If either conclusion I or II follows. Correct Answer Incorrect Answer
D If neither conclusion I nor II follows. Correct Answer Incorrect Answer
E If both conclusion I and II follows. Correct Answer Incorrect Answer

Solution

Some violins are pianos(I) ⇒ Conversion ⇒ Some pianos are violins(I). Hence, conclusion I follows. No guitar is a violin(E) + Some violins are pianos(I) ⇒ Some pianos are not guitars(O*). Hence, conclusion II does not follow.

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