Question

Form the intersection for the following sets.

R = {10, 15, 20}
S = {20, 25}
RnS =
{ }
{10, 15, 25}
{20}
{10,15, 20, 25}

Answer 1

RnS=20

Explanation:

because 20 can be found in R and at the same time can be found in S