Let A={1,2,3} B={2,3,4} C={1,3,5} D={2,3}. Find the cardinality of sum – McqOptions

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1.	Let A={1,2,3} B={2,3,4} C={1,3,5} D={2,3}. Find the cardinality of sum of all the sets.
A.	6
B.	5
C.	4
D.	7
Answer» C. 4

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