NeuroEducation

Union from a Chain of Ratios

Difficulty: Hard · Topics: Discrete Mathematics, Sets, Venn Diagrams

A and B are subsets of the same universal set with

2 n(Acap B)=n(A-B)=3 n(B-A)

n(A^ccap B^c)=4, n(B^c)=10.

Find n(Acup B).