The figure above is a Venn diagram showing the elements arranged within sets A,B,C,ε.
Use the figure to answer this question
What is n(A U B)1 ?
Attached Figure / Diagram
A
2
B
3
C
4
D
7
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
A = (p, q, r, t, u, v)
B = (r, s, t, u)
A U B = Elements in both A and B = (p, q, r, s, t, u, v)
(A U B)1 = elements in the universal set E but not in (A U B)= (w, x, y, z)
n(A U B) 1 = number of the elements in (A U B)1 = 4
Source: Myschool Past Questions Archive (Record #47574)