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UP TGT Mathematics Set Theory Test Series - Part 5

With reference to Q20, what is the maximum number of elements in A ∪ B?

Type: MCQ • Marks: 1
With reference to Q20, what is the maximum number of elements in A ∪ B?
Options
A. 3
B. 6
C. 9
D. 18
Explanation
Min n(A ∩ B) = 0, so Max n(A ∪ B) = 3 + 6 - 0 = 9.
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