Question: Which of the following statements are true? A = {1,2,3,4}, B = {1,2,{3,4}}, C = {1,2,{1,2}}. i. {1,2} ∈ A. ii. {1,2} ⊂ A. iii. {1,2} ∈ B. iv. {3,4} ∈ B. v. {1,2} ∈ C. vi. {1,2} ⊂ C.   ANSWERS i. False ii. True iii. False

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A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

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