Question

If n (A U B U C )=100, n (A)=4x,n(B)=6x,n (C)= 5x,n (A intersection B )=20,n (B intersection C )=15,n ( A intersection C)=25 and n ( A intersection B inter section C )=10 , then yhe value of x is

Answer 1

Answer:

If we draw a venn diagram, we can conclude that

x=28/3