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JAMB Mathematics 1999 Question 1

Question 1

Sets

If U = {1, 2, 3, 4, 5, 6}, P = {3, 4, 5}, Q = {2, 4, 6} and R = {1, 2, 3, 4}, list the elements of (P ∪ Q)′ ∩ R.

  1. A.{1, 2, 3, 4, 5, 6}
  2. B.{1, 2, 3, 4}
  3. C.{1}
  4. D.φ
Show the answer and explanation

Answer: C ({1})

Explanation

P ∪ Q = {2, 3, 4, 5, 6}, so its complement is {1}. {1} ∩ R = {1}.