## 11.3.2 Introduction to Set, PT3 Practice

Question 5: Diagram below shows a Venn diagram with the number of elements of set P, set Q and set R. It is given that the universal set, ξ=P∪Q∪R and n( Q‘ )=n( Q∩R ). Find the value of x. Solution: n(Q)’ = n(Q ∩ R) 3 + 8 + 5 = x– 3 + 9 16 … Read more