Question

In the questions given below, there are four statements followed by some conclusions. You have to take the four 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. IF 'R@S' means "All R are S", 'R#S' means "Only a Few S is R", 'R$S' means "All R can be S". 'R≤S' means "Some S are not R". 'R%S' means "Some R are S", 'R&S' means "No R is S"

Statements: Google @ Facebook Google % Instagram Infosys # Instagram Snapchat & Google

Conclusion:

I. Instagram $ Snapchat

II. Infosys % Facebook

III. Infosys ≤ Instagram

A Only conclusion I follows Correct Answer Incorrect Answer
B Only conclusion III follows Correct Answer Incorrect Answer
C Only conclusions I and conclusion III follow Correct Answer Incorrect Answer
D Only conclusion II and conclusion III follow Correct Answer Incorrect Answer
E Only conclusion I and conclusion II follow Correct Answer Incorrect Answer

Solution

Statements: All Google are Facebook Some Google are Instagram Only a few Instagram is Infosys No Snapchat is Google Conclusions: I. All Instagram can be Snapchat. II. Some Infosys are Facebook. III. Some Instagram are not Infosys. No Snapchat is Google (E) + Some Google are Instagram (I) → Some Instagram are nor Snapchat (O) → Some Instagram can be Snapchat (I).  Hence conclusion I does not follow. Some Google are Instagram (I) → Conversion →  Some Instagram are Google (I) + All Google are Facebook (A) → Some Instagram are Facebook (I) + Only a few Instagram is Infosys (I) → No conclusion. Hence conclusion II does not follow. Only a few Instagram is Infosys → Some Instagram are not Infosys. Hence conclusion III follows.

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