Question

8. If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13), C = {11, 13, 15) and D = {15, 17} find: Anc​

Answer 1

A and C has common element 11.

From this, we can find out such set is {11}.

Therefore A∩C={11}