New How to prepare ESI for NABARD Prelims & Mains- Sources & Strategy
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Question

Study the following statements and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:       

No Planet is a Moon

Some Moon are Star

All Axis are Planet

Only a few Sun are Axis

Conclusions:

I) No Axis is a Star

II) Some Planet are Sun

III) Some Star are Axis

A Only I follows Correct Answer Incorrect Answer
B Either I or III follow Correct Answer Incorrect Answer
C Only I and III follows Correct Answer Incorrect Answer
D Only II and either I or III follow Correct Answer Incorrect Answer
E All I, II and III follow Correct Answer Incorrect Answer

Solution

No Planet is a Moon (E) + Some Moon are Star (I) → Some Star are not Planet (O) + All Axis are Planet (A) → No conclusion. Hence neither conclusion I nor III follows but it will make a complementary pair. Hence either conclusion I or III follows. Some Sun are Axis (I) + All Axis are Planet (A) → Some Sun are Planet (I). Hence conclusion II follows.

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