Question

These numbers are common multiples of ________.

15, 30, 45, 60

A) 2 and 3
B) 3 and 5
C) 4 and 5
D) 3 and 4

Answer 1

The answer is B.

Explanation:

15÷3=5 15÷5=3

30÷3=10 30÷5=6

45÷3=15 45÷5=9

60÷3=20 60÷5=12