1 . U ={1,2,3,4,5}, A = {1,2,4}, B = {2,4,5} হলে A'∪B' হবে--

• A. {1,3,5}
• B. {1,3,4}
• C. {1,2,3}
• D. {2,5}

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Answer: Option A

Explanation: