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WAEC Mathematics 1995 Question 10

Question 10

Sets

In the diagram below, the shaded portion is

Diagram for this question
  1. A.P'∩R
  2. B.Q∩R
  3. C.P'∩Q∩R
  4. D.(P∪Q)'∩R.
  5. E.(P∩Q) U (P'∩R).
Show the answer and explanation

Answer: A (P'∩R)

Explanation

The shaded part is all of R except the part inside P (it includes the part of R inside Q), which is P'∩R.