Question

If A and B be any two sets , where n (A-B) = 12 , n(A∪B) = 30 and n(A∩B)=8 Then n (A) is

Answer 1

Answer:

gdwadas + a2+sd +w2+asd2a+asda2+sa+2+sda2+a+s2+s+d+2a+

Step-by-step explanation:

asd a 12sxd2sd24ds3

Answer 2

Answer:

20

Step-by-step explanation:

n(A) = n(A-B) + n(A∩B)

n(A) = 12 + 8 = 20