In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. All plates are cups. II. Some cups are red. III. All red are black. Conclusions: I. Some plates are black. II. All black are cups. III. Some cups are red and some cups are plates.
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. All plates are cups. II. Some cups are red. III. All red are black. Conclusions: I. Some plates are black. II. All black are cups. III. Some cups are red and some cups are plates. Correct Answer Only III
Consider the following least possible Venn diagram,
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Conclusions:
I. Some plates are black → False (It is possible but not definite).
II. All black are cups → False (It is possible but not definite).
III. Some cups are red and some cups are plate → True (It is definitely true as some cups are red as well as some cups are plate).
Hence, Only III follows.