Question

Form the intersection for the following sets.

R = {10, 15, 20}
S = {20, 25}
R ∩ S =

A.{ }
B.{10, 15, 25}
C.{20}
D.{10, 15, 20, 25}

Answer 1

The intersection is where the sets overlap. picture a Venn diagram (two overlapping circles). The intersection is only the overlap part. So for this problem that would be C. {20}