Statement 1: All chickens are birds. Statement 2: Some chickens are hens. Statement 3: Female birds lay eggs.
If the above statement are facts, then which of the following must also be a fact? I. All birds lay eggs. II. Hens are birds. III. Some chickens are not hens.
Explanation:
Statements I and II can be represented as venn diagrams in the following ways:
As ‘Female birds lay eggs’, so ‘All birds lay eggs’ is incorrect.
Conclusion ‘Hens are Birds’ may or may not be true as can be seen from the Venn diagrams.
Conclusion ‘Some chickens are not hens’ is also not definitely true as can be seen from the third Venn diagram.
Hence, option (d).
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