Question

A = {1, 2, 3, 4, 5} and B = {2, 3, 7} So A - B=?

• A. {2,3,4}
• B. {2,3,7}
• C. {1,2,3}
• D. {1,4,5}

Answer 1

The correct option is D

{1,4,5}

A - B = those elements that are in A but not in B = {1, 4, 5}