If n(A)=10, n(B)=30,n(C)=50 and if set A, B, C are pairwise disjoint then which of the following is correct?(a) n(A U B)=0(b) n(B U C)=0(c) n(A U B U C)=90(d) All of the mentionedThis question was addressed to me during an interview.Query is from Sets topic in division Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

If n(A)=10, n(B)=30,n(C)=50 and if set A, B, C are pairwise disjoint t

1.	If n(A)=10, n(B)=30,n(C)=50 and if set A, B, C are pairwise disjoint then which of the following is correct?(a) n(A U B)=0(b) n(B U C)=0(c) n(A U B U C)=90(d) All of the mentionedThis question was addressed to me during an interview.Query is from Sets topic in division Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics
Answer» Correct OPTION is (d) All of the mentioned To ELABORATE: All the STATEMENTS are TRUE based on definition.

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