Let n (U) = 42, n (X) = 15, n (Y) = 12 and n (X ∪ Y) = 22, then find cardinality of the shaded region in the below-given venn diagram.
1
30
2
20
3
25
4
27
Let n (U) = 42, n (X) = 15, n (Y) = 12 and n (X ∪ Y) = 22, then find cardinality of the shaded region in the below-given venn diagram.