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    Question

    Read the given statements and conclusions carefully.

    Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statement: Some Door are Window. All Stopper are Handle. No Stopper is Window. Conclusions: I. Some Door are Handle. II. Some Door are not Stopper. III. Some Window are Handle.
    A Only conclusion II follows Correct Answer Incorrect Answer
    B Only conclusions I and II follow Correct Answer Incorrect Answer
    C All the conclusions follow Correct Answer Incorrect Answer
    D Only conclusions I and III follow Correct Answer Incorrect Answer

    Solution

    No Stopper is Window (E) + Some Window are Door (I) → Some Door are not Stopper (O*) + All Stopper are Handle. (A) → No conclusion. Hence conclusion I does not follow but conclusion II follows.
    No Stopper is Window (E) → Conversion → No Window is Stopper (E) + All Stopper are Handle (A) → Some Handle are not Window (O*). Hence conclusion III does not follow.

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