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Two statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statement. Statements: No crows is a bird. All birds are animals. Conclusion: I. Some animals are crows. II. Some animals are birds. III. No animal is a crow.

Two statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statement. Statements: No crows is a bird. All birds are animals. Conclusion: I. Some animals are crows. II. Some animals are birds. III. No animal is a crow. Correct Answer Conclusion II and either conclusion I or III follows

The least possible Venn diagram is as follows:

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Conclusion:

Some animals are crows → False (Possibility but not definitely true).

Some animals are birds → True.

No animal is a crow → False (Possibility but not definitely true).

Thus, I and III forms a complimentary pair.

Hence, Conclusion II and either conclusion I or III follows.

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