Question

B = Set of natural numbers less than 20, which are divisible by 2 or 5 (in set builder
notation)​

Answer 1

Answer:B={X|X<20,X∈N and X divisible by 2 or 5

Step-by-step explanation:

Answer 2

Answer:

Set builder form = {x : x = 2n or 5n ; x < 20 ; x , n ∈ N }