Question

If U = {x:x∈ W, x<10}, A = {multiple of 3} and B = {factors of 15}, then n(AUB) = ?​

Answer 1

Answer:

5

Step-by-step explanation:

U = {0,1,2,3,4,5,6,7,8,9}

A = {3,6,9}

B = {1,3,5}

(AUB) = {1,3,5,6,9}

n(AUB) = 5