If A has 4 elements B has 8 elements then the minimum and maximum number of elements in A U B are ____________(a) 4, 8(b) 8, 12(c) 4, 12(d) None of the mentionedThe question was posed to me in an online interview.This key question is from Set Operations in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

If A has 4 elements B has 8 elements then the minimum and maximum numb

1.	If A has 4 elements B has 8 elements then the minimum and maximum number of elements in A U B are ____________(a) 4, 8(b) 8, 12(c) 4, 12(d) None of the mentionedThe question was posed to me in an online interview.This key question is from Set Operations in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics
Answer» RIGHT answer is (b) 8, 12 The best I can explain: MINIMUM would be when 4 elements are same as in 8, maximum would be when all are DISTINCT.

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