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Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}....

Mathematics
WAEC 1992

Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}. What is (P∩Q)'?

  • A. (1, 2, 3)
  • B. (1, 3, 4)
  • C. (2, 3)
  • D. (1, 3)
  • E. (1, 4)
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Correct Answer: Option B
Explanation

U = {1,2,3,4}; P = {2,3}; Q = {2,4}; P∩Q = {2}
(P∩Q)' = {1,3,4}

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