Question

Iven the following definitions:

U = {1, 2, 3, 4, 5, 6, 7}

A = {1, 2, 4, 5}

B = {1, 3, 5, 7}

How many elements are in B'

Answer 1

4

Explanation:

There are four elements in set B. they are 1,3,5 and 7