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WAEC Further Mathematics 2017 Question 40

Question 40

Sets and Logic

If P = {n2 + 1 : n = 0, 2, 3} and Q = {n + 1 : n = 2, 3, 5}, find P ∩ Q.

  1. A.{5, 10}
  2. B.{4, 6}
  3. C.{1, 3}
  4. D.{ }
Show the answer and explanation

Answer: D ({ })

Explanation

P = {1, 5, 10} and Q = {3, 4, 6}. They have no common member, so P ∩ Q = { }.