

MCQOPTIONS
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1. |
Let A = {1, 2, {3, 4}, 5}. Which of the following statements are true? |
A. | {3, 4} A; |
B. | {3, 4} A; |
C. | {{3, 4}} A; |
D. | {1, 3, 5} A. |
Answer» C. {{3, 4}} A; | |