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 WA are CV. All VB are QA. No VB is CV. Conclusions: I. Some WA are QA. II. Some WA are not VB. III. Some CV are QA.
    A Only conclusion II follows Correct Answer Incorrect Answer
    B Only conclusions I and II follow Correct Answer Incorrect Answer
    C Only conclusion III follows Correct Answer Incorrect Answer
    D Only conclusions I and III follow Correct Answer Incorrect Answer

    Solution

    All VB are QA (A) → Some QA are VB (I) + No VB is CV (E) → Some QA are not CV (O). Hence conclusion I does not follow. Some WA are CV (I) + No VB is CV (E) → Conversion → No CV is VB (E) → Some WA are not VB (O). Hence conclusion II follows. Some WA are not VB (O) + All VB are QA (A) → No conclusion. Hence conclusion III does not follow.

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