Question
Statements: Only a few Facebook are
Messenger. No Messenger is Hangout. Only a few Snapchat are Whatsapp. No Whatsapp is Facebook. Conclusions: I. Some Messenger are Snapchat. II. No Snapchat is a Messenger. In each of the questions below some statements are given followed by some Conclusions. You have to take the 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.Solution
No Whatsapp is Facebook (E) + Some Facebook are Messenger (I) → Some Messenger are not Whatsapp (O*) + Some Whatsapp are Snapchat (I) → Hence neither conclusion I nor II follows but it will make a complementary pair i.e. I-E. Hence either conclusion I or II follows.
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