Which of the following options can represent this diagram?
Options
A
A={1,2,3} B={3,4,5}
B
A={2,3,4} B={3,4}
C
A={1,2} B={1,2,3}
D
A={2,3,4} B={5,6,7}
Answer & Analysis
Answer
B
Analysis
The answer is B.
In this diagram, Circle B is inside Circle A, which means B belongs to A, or elements in B are all in A, but there has some elements in A don't exist in B.
A) A∩B={3}, but {4,5} don't exist in A, so it is wrong.
B) A∩B={3,4}, and there is no other elements in B, so it is right.
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