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Logical Deduction

Directions to SolveIn each of the following questions, two statements are given followed by three or four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Q1:

Statements: Some bags are pockets. No pocket is a pouch. Conclusions:
  1. No bag is a pouch.
  2. Some bags are not pouches.
  3. Some pockets are bags.
  4. No pocket is a bag,

A None follows

B Only I and III follow

C Only II and III follow

D Only either I or IV follows

E All follow

ANS:C - Only II and III follow

Explanation: Since one premise is particular and the other negative, the conclusion must be particular negative and should not contain the middle term. So, II follows. III is the converse of the first premise and thus it also holds.



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