Question

F A={3,4,5,7,8}, B={11,12,13,14}, and C={4,7,10,13}, then what is (A∪B)∩C?

Answer 1

[AuB]nC={4,7,13}

Explanation:

(AuB)={3,4,5,7,8,11,12,13,14}

(AuB)nC={4,7,13}