A = {1,2,3,4}, B = {3,5,6,7}, C = {1,3,7,8} Find: (A U B) n C

general knowledge math & puzzles

  1. {1,3,7}

  2. {2,4,6}

  3. {1,2,3,4,6,7}

  4. {8}

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Correct Option: A

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