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25 December 2024 JobAssam Share

If A and B are two sets such that A has 40 elements, 𝐴 ∪ 𝐵 has 60 elements, and 𝐴 ∩ 𝐵 has 10 elements, how many elements does B have?

A. 40
B. 30
C. 25
D. 45

30

Please select one of the options to reveal the correct answer.

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