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Question

In each of the questions below are given four statements followed by four conclusions numbered I, II and III and IV. 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:         

Only cats are bats.

No cat is pig.

All pigs are dogs.

All pigs are camels.

Conclusions:        

I. All bats are cats.

II. All dogs may be pigs.

III. All dogs are camels.

IV. Some bats may be dogs.

A All follow Correct Answer Incorrect Answer
B Only III and IV follow Correct Answer Incorrect Answer
C Only I and II follow Correct Answer Incorrect Answer
D Only I, II and IV follow Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Only cats are bats ⇒ Inference ⇒ All bats are cats (A). Hence Ist   follows. All pigs are dogs ⇒ Possible Conclusion ⇒ All dogs may be pigs (A). Hence IInd follows. All pigs are dogs ⇒ ⇒ Inference ⇒ Some dogs are pigs (I) + All pigs are camels (A) = Some dogs are camels (I), Hence conclusion IIIrd doesn’t follows. Only cats are bats. So Bat will not be part of anything. So, IV does not follow.

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